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From zhiyu...@apache.org
Subject [2/3] tez git commit: Change version to 0.9.1, create CHANGES file
Date Sat, 11 Nov 2017 00:53:26 GMT
http://git-wip-us.apache.org/repos/asf/tez/blob/db82cc2e/CHANGES.txt
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diff --git a/CHANGES.txt b/CHANGES.txt
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+Apache Tez Change Log
+=====================
+
+Release 0.9.1: 2017-11-16
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+    TEZ-3855. Allow vertex manager to send event to processor
+    TEZ-3861. PipelineSorter setting negative progess
+    TEZ-3857. Tez TaskImpl can throw Invalid state transition for leaf tasks that do Retro Active Transition
+    TEZ-3862. Tez UI: Upgrade em-tgraph to version 0.0.14
+    TEZ-3858. Misleading dag level diagnostics in case of invalid vertex event
+    TEZ-3666. Integer overflow in ShuffleVertexManagerBase
+    TEZ-3856. API to access counters in InputInitializerContext
+    TEZ-3849. Combiner+PipelinedSorter silently drops records
+    TEZ-3853. Binary incompatibility caused by DEFAULT_LOG_LEVEL
+    TEZ-3854. Make use of new improved em-table sort-icon
+    TEZ-3850. Enable header as sort button on Tez UI
+    TEZ-3852. Optimize ContainerContext.isSuperSet to speed container reuse decisions
+    TEZ-3844. Tez UI Dag Counters show no records for a RUNNING DAG
+    TEZ-3848. Tez Local mode doesn't localize distributed cache files
+    TEZ-3847. AM web controller task counters are empty sometimes
+    TEZ-3830. HistoryEventTimelineConversion should not hard code the Task state
+    TEZ-3833. Tasks should report codec errors during shuffle as fetch failures
+    TEZ-3845. Tez UI Cleanup Stats Table
+    TEZ-3843. Tez UI Vertex/Tasks log links for running tasks are missing
+    TEZ-3836. Tez UI task page sort does not work on RHEL7/Fedora
+    TEZ-3840 addendum. Tez should write TEZ_DAG_ID before TEZ_EXTRA_INFO
+    TEZ-3840. Tez should write TEZ_DAG_ID before TEZ_EXTRA_INFO
+    TEZ-3839. Tez Shuffle Handler prints disk error stack traces for every read failure.
+    TEZ-3834. TaskSchedulerManager NullPointerException during shutdown when failed to start
+    TEZ-3724. Tez UI on HTTP corrects HTTPS REST calls to HTTP
+    TEZ-3831 addendum. Reduce Unordered memory needed for storing empty completed events
+    TEZ-3832. TEZ DAG status shows SUCCEEDED for SUCCEEDED_WITH_FAILURES final status
+    TEZ-3831. Reduce Unordered memory needed for storing empty completed events
+    TEZ-3828. Allow relaxing locality when retried task's priority is kept same
+    TEZ-3827. TEZ Vertex status on DAG index page shows SUCCEEDED for SUCCEEDED_WITH_FAILURES final status
+    TEZ-3825. Tez UI DAGs page can't query RUNNING or SUBMITTED apps
+    TEZ-3431. Add unit tests for container release
+    TEZ-3816. Add ability to automatically speculate single-task vertices
+    TEZ-3813. Reduce Object size of MemoryFetchedInput for large jobs
+    TEZ-3803. Tasks can get killed due to insufficient progress while waiting for shuffle inputs to complete
+    TEZ-3804. FetcherOrderedGrouped#setupLocalDiskFetch should ignore empty partition records
+    TEZ-3807. InMemoryWriter is not tested with RLE enabled
+    TEZ-3212. IFile throws NegativeArraySizeException for value sizes between 1GB and 2GB
+    TEZ-3752. Reduce Object size of InMemoryMapOutput for large jobs
+    TEZ-3805. Analyzer: Add an analyzer to find out scheduling misses in 1:1 edges
+    TEZ-3797. Add tez debug tool for comparing counters of 2 DAGs
+
+
+Release 0.9.0: 2017-07-21
+
+INCOMPATIBLE CHANGES
+  TEZ-3693. ControlledClock is not used. 
+  TEZ-3745. Change master to required java 8
+  TEZ-3689. Change minimum hadoop version to 2.7.0.
+  TEZ-3611. Create lightweight summary events for ATS.
+  TEZ-3652. Remove ShuffleClientMetrics
+  TEZ-3659. AM/Task classpath should not contain hadoop conf directory.
+
+ALL CHANGES:
+  TEZ-3798. Remove duplicate package-info.java
+  TEZ-3792. RootInputVertexManager doesn't drain queued source task completed events
+  TEZ-3795. Vertex state machine can throw InvalidStateTransitonException from TERMINATING state
+  TEZ-3794. tez-tools: swimlane does not recognize HistoryEventHandler.criticalEvents based logs
+  TEZ-3791. Failed/Killed task can throw InvalidStateTransitonException when a new attempt is launched
+  TEZ-3787. Remove Tez UI build and rebuild errors and warning due to yarn install and ember-truth-helpers
+  TEZ-3786. Fix Tez UI test failures after TEZ-3775
+  TEZ-3784. Submitting very large DAG throws com.google.protobuf.CodedInputStream exception
+  TEZ-3274. Vertex with MRInput and broadcast input does not respect slow start
+  TEZ-3775. Tez UI: Show DAG context in document title
+  TEZ-3605. Detect and prune empty partitions for the Ordered case
+  TEZ-3771. Tez UI: WASB/ADLS counters should be listed on the Tez UI
+  TEZ-3769. Unordered: Fix wrong stats being sent out in the last event, when final merge is disabled
+  TEZ-3777. Avoid buffer copies by passing RLE flag to TezMerger from PipelinedSorter
+  TEZ-3767. Shuffle should not report error to AM during inputContext.killSelf()
+  TEZ-3778. Remove SecurityInfo from tez-auxservices shaded jar
+  TEZ-3762. When final merge is disabled in unordered case, it should create index file instead of relying on cache
+  TEZ-3761. NPE in Fetcher under load
+  TEZ-3758. Vertex can hang in RUNNING state when two task attempts finish very closely and have retroactive failures
+  TEZ-3768. Test timeout value for TestShuffleHandlerJobs is low
+  TEZ-3766. Tez Aux-services : Clean up shaded jar to not include default config xml files and yarn-client pieces
+  TEZ-3760. Tez AUX Services: Shading needs to filter SIG files with -Pazure builds
+  TEZ-3741. Tez outputs should free memory when closed
+  TEZ-3698: UnorderedKV writer should be able to honor tez.runtime.enable.final-merge.in.output without pipelinedshuffle
+  TEZ-3732. Reduce Object size of InputAttemptIdentifier and MapOutput for large jobs
+  TEZ-3701. UnorderedPartitionedKVWriter - issues with parallel Deflater usage, synchronousqueue in threadpool
+  TEZ-3750. Add TEZ_RUNTIME_UNORDERED_PARTITIONED_KVWRITER_BUFFER_MERGE_PERCENT to UnorderedPartitionedKVOutput
+  TEZ-3749. Get map and reduce task memory from JobConf
+  TEZ-3748. TaskAttemptImpl State Machine Invalid event: TA_SUBMITTED at KILL_IN_PROGRESS
+  TEZ-3739. Fair CartesianProduct doesn't works well with huge difference in output size
+  TEZ-3714. Tez UI: Hive Queries page: Use Dag ID and App ID if they are published form Hive side
+  TEZ-3747. TezConstants.TEZ_SHUFFLE_HANDLER_SERVICE_ID is referenced in Hive
+  TEZ-3736. SubmittedDAGs is always 0 in Resource Manager UI. 
+  TEZ-3744. Fix findbugs warnings after TEZ-3334 merge
+  TEZ-3743. TestTaskCommunicatorContextImpl throws NullPointerException after TEZ-3334 merge
+  TEZ-3742. Fix AMContainerHelpers#createCommonContainerLaunchContext to not pass localResources.
+  TEZ-3737. FairCartesianProductVertexMananger used incorrect #partition
+  TEZ-3691. Setup fetchers to use shared executor
+  TEZ-3662. Vertex Duration in 0.9 Tez UI regression from 0.7
+  TEZ-3730. Lower logging level in UnorderedPartitionedKVWriter.  
+  TEZ-3723. TezIndexRecord#hasData() returns true for empty index record in the Unordered case
+  TEZ-3716. Allow attempt retries to be treated the same as the first attempt.
+  TEZ-3715. Differentiate between TaskAttempt submission and TaskAttempt started.
+  TEZ-3708. Improve parallelism and auto grouping of unpartitioned cartesian product
+  TEZ-3717. tez-yarn-timeline-history-with-fs does not build with hadoop-2.8.
+  TEZ-3697. Adding #output_record in vertex manager event payload
+  TEZ-3673. Allocate smaller buffers in UnorderedPartitionedKVWriter.
+  TEZ-3707. TezSharedExecutor race condition in awaitTermination vs isTerminated.
+  TEZ-3700. Consumer attempt should kill itself instead of failing during validation checks with final merge avoidance
+  TEZ-3703. Use a sha comparison to compare vertex and dag resources, if there is a mismatch.
+  TEZ-3699. For large dataset, pipelined shuffle throws exceptions in consumer side for UnorderedPartitioned edge
+  TEZ-3695. TestTezSharedExecutor fails sporadically.
+  TEZ-2049. Remove YARN references from Tez AsyncDispatcher
+  TEZ-3675. Handle changes to ResourceCalculatorProcessTree in YARN-3427 for Hadoop 3.x
+  TEZ-3690. Tez on hadoop 3 build failed due to hdfs client/server jar separation
+  TEZ-3687. Code smell in DAGStatus and VertexStatus equals implementation
+  TEZ-3631. Tez UI: TEZ_DAG_EXTRA_INFO compatibility changes - Makes All DAGs page faster
+  TEZ-3680. Optimizations to UnorderedPartitionedKVWriter
+  TEZ-1187. Add a framework ExecutorService which shares threads
+  TEZ-3654. Make CartesianProduct edge work with GroupInputEdge
+  TEZ-3285. Tez UI: Lock down dependency versions
+  TEZ-3683. LocalContainerLauncher#shouldDelete member variable is not used
+  TEZ-3681. Improve UI error message while trying to sort running DAGs with Auto Refresh enabled
+  TEZ-3668. Explicitly include hadoop-mapreduce-client-shuffle for test in root pom
+  TEZ-3667. Stop using org.apache.hadoop.security.ssl.SSLFactory.DEFAULT_SSL_REQUIRE_CLIENT_CERT
+  TEZ-3665. TestATSV15HistoryLoggingService should use mocked TimelineClient
+  TEZ-1526. LoadingCache for TezTaskID slow for large jobs
+  TEZ-3653. Tez UI: Swimlane tooltip is not proper for running DAGs
+  TEZ-3656. Tez UI: Status correction is not working as expected
+  TEZ-3650. Improve performance of FetchStatsLogger#logIndividualFetchComplete
+  TEZ-3655. Specify netty version instead of inheriting from hadoop dependency.
+  TEZ-3503. Tez UI: Support search by queue name
+  TEZ-3642. Tez UI: Auto-refresh is not stopping when DAG is the main entity
+  TEZ-3253. Remove special handling for last app attempt. 
+  TEZ-3648. IFile.Write#close has an extra output stream flush
+  TEZ-3649. AsyncHttpConnection should add StopWatch start
+  TEZ-3647. Add a setting which lets Tez determine Xmx. 
+  TEZ-3646. IFile.Writer has an extra output stream flush call
+  TEZ-3640. Tez UI: Add associated llap application id to queries page
+  TEZ-3639. Tez UI: Footer pagination is improper in landing page
+  TEZ-3637. TezMerger logs too much at INFO level.
+  TEZ-3638. VertexImpl logs too much at info when removing tasks after auto-reduce parallelism
+  TEZ-3630. Tez UI: Use DAG status for controlling auto-refresh polling
+  TEZ-3634. reduce the default buffer sizes in PipelinedSorter by a small amount.
+  TEZ-3626. Tez UI: First Task Start Time & Last Task Finish Time values are showing up incorrectly
+  TEZ-3629. Tez UI: Enable the UI to display log links from LLAP
+  TEZ-3627. Use queue name available in RegisterApplicationMasterResponse for publishing to ATS. 
+  TEZ-3610. TEZ UI 0.7 0.9 compatibility for url query params and tez-app sub-routes
+  TEZ-3619. Tez UI: Improve DAG Data download
+  TEZ-3615. Tez UI: Table changes
+  TEZ-3267. Publish queue name to ATS as part of dag summary. 
+  TEZ-3602. Tez UI: Query Name field is not required
+  TEZ-3581. Add different logger to enable suppressing logs for specific lines. 
+  TEZ-3600. Fix flaky test: TestTokenCache. 
+  TEZ-3598. Tez UI: Text formatting changes
+  TEZ-3594. Tez UI: Graphical view tooltip issues
+  TEZ-3593. Tez UI: Issues in timeline page
+  TEZ-3592. Tez UI: Search issues
+  TEZ-3591. Tez UI: Logs url in all DAGs doesn't open in a new window
+  TEZ-3589. add a unit test for amKeepAlive not being shutdown if an app takes a long time to launch.
+  TEZ-3554. Add a link to get to all logs from Tez UI while job is running
+  TEZ-3417. Reduce sleep time on AM shutdown to reduce test runtimes
+  TEZ-3494. Support relative url for tez-ui.history-url.base config
+  TEZ-3575. RM have started forwarding origin. Use that in AMWebController for CORS support
+  TEZ-3580. Tez UI: Pagination broken on queries page
+  TEZ-3584. amKeepAliveService in TezClient should shutdown in case of AM failure. 
+  TEZ-3583. Tez UI: UTs are flaky because of a dependency issue
+  TEZ-3579. Wrong configuration key for max slow start fraction in CartesianProductVertexManager. 
+  TEZ-2712. Tez UI: Display the vertex description in the tooltip of vertex in DAG view UI
+  TEZ-3571. Tez UI: Display a Total Timeline View for Hive Queries
+  TEZ-3496. Tez UI: Optimize display of all tasks table
+  TEZ-3556. Tez UI: Display query configurations
+  TEZ-3531. Tez UI: All Queries table: Improve searchability
+  TEZ-3530. Tez UI: Add query details page, and link the page from All Queries table
+  TEZ-3529. Tez UI: Add 'All Queries' table in the landing page along 'All DAGs' page
+  TEZ-3458. Auto grouping for cartesian product edge(unpartitioned case).
+  TEZ-3443. Remove a repeated/unused method from MRTask. 
+  TEZ-3551: FrameworkClient created twice causing minor delay
+  TEZ-3504. Tez UI: Duration is displaying invalid values when start or end time is invalid
+  TEZ-3570. Tez UI: Wait for sometime before tooltips are displayed
+  TEZ-3555. Tez UI: Build is failing in RHEL6
+  TEZ-3565: amConfig should check queuename isEmpty
+  TEZ-3558. CartesianProduct is missing from the ExampleDriver class
+  TEZ-3552. Shuffle split array when size-based sorting is turned off.
+  TEZ-3271. Provide mapreduce failures.maxpercent equivalent.
+  TEZ-3222. Reduce messaging overhead for auto-reduce parallelism case
+  TEZ-3547. Add TaskAssignment Analyzer
+  TEZ-3508. TestTaskScheduler cleanup.
+  TEZ-3269. Provide basic fair routing and scheduling functionality via custom VertexManager and EdgeManager.
+  TEZ-3477. MRInputHelpers generateInputSplitsToMem public API modified
+  TEZ-3465. Support broadcast edge into cartesian product vertex and forbid other edges.
+  TEZ-3502. Tez UI: Search in All DAGs page doesn't work with numeric values
+  TEZ-3470. Tez UI: Make the build work in IBM PPC
+  TEZ-3457. Add more unit test coverage for container reuse.
+  TEZ-3215. Support for MultipleOutputs.
+  TEZ-3484. Tez UI: Remove .travis.yml from webapp folder
+  TEZ-3405. Support ability for AM to kill itself if there is no client heartbeating to it.
+  TEZ-3469. Tez UI: Bump Phantom JS version to 2.1.1
+  TEZ-3430. Make split sorting optional.
+  TEZ-3466. Tez classpath building to mimic mapreduce classpath building
+  TEZ-3428. Tez UI: First Tab not needed for few entries in DAG listings
+  TEZ-3453. Correct the downloaded ATS dag data location for analyzer
+  TEZ-3449. Fix Spelling typos.
+  TEZ-3433. Tez UI: Searching using wrong ID causes error in all DAGs page
+  TEZ-3429. Set reconfigureDoneTime on VertexConfigurationDoneEvent properly.
+  TEZ-3163. Reuse and tune Inflaters and Deflaters to speed DME processing
+  TEZ-3434. Add unit tests for flushing of recovery events.
+  TEZ-3404. Move blocking call for YARN Timeline domain creation from client side to AM.
+  TEZ-3272. Add AMContainerImpl and AMNodeImpl to StateMachine visualization list.
+  TEZ-3284. Synchronization for every write in UnorderdKVWriter
+  TEZ-3230. Implement vertex manager and edge manager of cartesian product edge.
+  TEZ-3395. Refactor ShuffleVertexManager to make parts of it re-usable in other plugins. 
+  TEZ-3382. Tez analyzer: Should be resilient to new counters
+  TEZ-3379. Tez analyzer: Move sysout to log4j
+  TEZ-3333. Tez UI: Handle cases where Vertex/Task/Task Attempt data is missing
+  TEZ-3303. Have ShuffleVertexManager consume more precise partition stats. 
+  TEZ-3329. Tez ATS data is incomplete for a vertex which fails or gets killed before initialization
+  TEZ-3327. ATS Parser: Populate config details available in dag
+  TEZ-3325. Flaky test in TestDAGImpl.testCounterLimits.
+  TEZ-3313. ATSFileParser : Wrong args passed in VersionInfo
+  TEZ-3288. Tez UI: Display more details in the error bar
+  TEZ-3216. Add support for more precise partition stats in VertexManagerEvent. 
+  TEZ-3295. TestOrderedWordCount should handle relative input/output paths.
+  TEZ-3292. Tez UI: UTs breaking with timezone change
+  TEZ-2846. Flaky test: TestCommit.testVertexCommit_OnDAGSuccess.
+  TEZ-3264. Tez UI: UI discrepancies
+  TEZ-3289. Tez Example MRRSleep job does not set Staging dir correctly on secure cluster.
+  TEZ-3276. Tez Example MRRSleep job fails when tez.staging-dir fs is not same as default FS.
+  TEZ-3063. Tez UI: Display Input, Output, Processor, Source and Sink configurations under a vertex
+  TEZ-3206. Have unordered partitioned KV output send partition stats via VertexManagerEvent. 
+  TEZ-3255. Tez UI: Hide swimlane while displaying running DAGs from old versions of Tez
+  TEZ-3254. Tez UI: Consider downloading Hive/Pig explain plans
+  TEZ-3086. Tez UI: Backward compatibility changes
+  TEZ-3245. Data race between addKnowInput and clearAndGetOnepartition of InputHost.
+  TEZ-3193. Deadlock in AM during task commit request.
+  TEZ-3233. Tez UI: Have LLAP information reflect in Tez UI
+  TEZ-3203. DAG hangs when one of the upstream vertices has zero tasks
+  TEZ-3207. Add support for fetching multiple partitions from the same source task to UnorderedKVInput. 
+  TEZ-3232. Disable randomFailingInputs in testFaulttolerance to unblock other tests.
+  TEZ-3227. Tez UI: Replace UI1 with UI2
+  TEZ-3228. Update version in master to 0.9.0.
+
+TEZ-3334. Tez Custom Shuffle Handler:
+  TEZ-3713. Allow dag level deletion in cases where containers are reused
+  TEZ-3712. Use Local FileContext for deleting dag level directories
+  TEZ-3633. Implement keep-alive timeout in tez shuffle handler
+  TEZ-3740. Clean up TEZ-3334-CHANGES.txt
+  TEZ-3735. Test failures in TestTaskAttempt and TestAMContainerMap
+  TEZ-3726. Clean up DeletionTracker's reflection instantiation and provide ContainerLauncher with dagComplete() functionality
+  TEZ-3725. Cleanup http connections and other unnecessary fields in DAG Deletion tracker classes.
+  TEZ-3705. Modify DeletionTracker and deletion threads to be initialized only if enabled for tez_shuffle
+  TEZ-3702. Tez shuffle jar includes service loader entry for ClientProtocolProvider but not the corresponding class
+  TEZ-3685. ShuffleHandler completedInputSet off-by-one error
+  TEZ-3684. Incorporate first pass non-essential TEZ-3334 pre-merge feedback
+  TEZ-3682. Pass parameters instead of configuration for changes to support tez shuffle handler
+  TEZ-3628. Give Tez shuffle handler threads custom names
+  TEZ-3621. Optimize the Shuffle Handler content length calculation for keep alive
+  TEZ-3620. UnorderedPartitionedKVOutput is missing the shuffle service config in the confKeys set
+  TEZ-3618. Shuffle Handler Loading cache equality tests always results is false
+  TEZ-3612. Tez Shuffle Handler Content length does not match actual
+  TEZ-3608. Fetcher can hang if copyMapOutput/fetchInputs returns early
+  TEZ-3606. Fix debug log for empty partitions to the expanded partitionId in the Composite case
+  TEZ-3604. Remove the compositeInputAttemptIdentifier from remaining list upon fetch completion in the Ordered case
+  TEZ-3599. Unordered Fetcher can hang if empty partitions are present
+  TEZ-3596. Number of Empty DME logged for Composite fetch is too high
+  TEZ-3597. Composite Fetch hangs on certain DME empty events.
+  TEZ-3595. Composite Fetch account error for disk direct
+  TEZ-3590. Remove google.protobuf from the tez-auxservices shaded jar
+  TEZ-3587. Fetcher fetchInputs() can NPE on srcAttempt due to missing entry in pathToAttemptMap
+  TEZ-3586. Remove fusesource.leveldbjni from the tez-auxservices shaded jar
+  TEZ-3532. Backport MAPREDUCE-6808. Log map attempts as part of shuffle handler audit log
+  TEZ-3563. Tez Shuffle Handler logging fails to initialize
+  TEZ-3564. TezConfiguration#TEZ_DELETION_TRACKER_CLASS has the wrong config key-name
+  TEZ-3557. TEZ-3362 causes TestContainerLauncherWrapper#testDelegation to fail
+  TEZ-3361. Fetch Multiple Partitions from the Shuffle Handler
+  TEZ-3509. Make DAG Deletion path based
+  TEZ-3480. Port MAPREDUCE-6763 to Tez ShuffleHandler
+  TEZ-3362. Delete intermediate data at DAG level for Shuffle Handler
+  TEZ-3360. Tez Custom Shuffle Handler Documentation
+  TEZ-3411. TestShuffleHandler#testSendMapCount should not used hard coded ShuffleHandler port
+  TEZ-3412. Modify ShuffleHandler to use Constants.DAG_PREFIX and fix AttemptPathIdentifier#toString()
+  TEZ-3410. ShuffleHandler should use Path.SEPARATOR instead of '/'
+  TEZ-3408. Allow Task Output Files to reside in DAG specific directories for Custom Shuffle Handler
+  TEZ-3238. Shuffle service name should be configureable and should not be hardcoded to ‘mapreduce_shuffle’
+  TEZ-3390. Package Shuffle Handler as a shaded uber-jar
+  TEZ-3393. Remove extra jetty dependency from Shuffle Handler
+  TEZ-3378. Move Shuffle Handler configuration into the Tez namespace
+  TEZ-3377. Remove ShuffleHandler dependency on mapred.FadvisedChunkedFile and mapred.FadvisedFileRegion
+  TEZ-3380. Shuffle Handler: Replace primitive wrapper's valueOf method with parse* method to avoid unnecessary boxing/unboxing
+  TEZ-3355. Tez Custom Shuffle Handler POC
+
+Release 0.8.6: Unreleased
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-3007. Use AppFinalState.ENDED when unregistering with the RM in session mode
+  TEZ-3679. Minor ASF header issues. 
+  TEZ-3678. The command "hadoop dfs" should be replaced by "hadoop fs" in install markdown. 
+  TEZ-3677. by-laws markdown has an incorrect license header. 
+  TEZ-3671. TestCompositeDataMovementEvent has a misplaced Apache license header. 
+  TEZ-3672. Remove duplicate Apache license headers. 
+  TEZ-3561. Fix wrong tez tarball name in install.md. 
+
+Release 0.8.5: 2016-03-13
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-3709. TezMerger is slow for high number of segments
+  TEZ-3719. DAGImpl.computeProgress slows down dispatcher and ipc threads
+  TEZ-3616. TestMergeManager#testLocalDiskMergeMultipleTasks fails intermittently
+  TEZ-3644. Cleanup container list stored in AMNode.
+  TEZ-3643. Long running AMs can go out of memory due to retained AMContainer instances.
+  TEZ-3624. Split multiple calls on the same line in TaskCommunicatorContextImpl.
+  TEZ-3550. Provide access to sessionId/dagId via DagClient.
+  TEZ-3609. Improve ATSv15 performance for DAG entities read calls.
+  TEZ-3244. Allow overlap of input and output memory when they are not concurrent
+  TEZ-3601. Add another HistoryLogLevel to suppress TaskAttempts at specific levels
+  TEZ-3582. Exception swallowed in PipelinedSorter causing incorrect results.
+  TEZ-3462. Task attempt failure during container shutdown loses useful container diagnostics
+  TEZ-3574. Container reuse won't pickup extra dag level local resource.
+  TEZ-3566. Avoid caching fs isntances in TokenCache after a point.
+  TEZ-3568. Update SecurityUtils configuration to pick user provided configuration.
+  TEZ-3559. TEZ_LIB_URIS doesn't work with schemes different than the defaultFS
+  TEZ-3549. TaskAttemptImpl does not initialize TEZ_TASK_PROGRESS_STUCK_INTERVAL_MS correctly
+  TEZ-3537. ArrayIndexOutOfBoundsException with empty environment variables/Port YARN-3768 to Tez
+  TEZ-3507. Task logs link when editing url from one task to another.
+  TEZ-3536. NPE in WebUIService start when host resolution fails.
+  TEZ-3534. Differentiate thread names on Fetchers, minor changes to shuffle shutdown code.
+  TEZ-3491. Tez job can hang due to container priority inversion.
+  TEZ-3533. ShuffleScheduler should shutdown threadpool on exit.
+  TEZ-3493. DAG submit timeout cannot be set to a month
+  TEZ-3505. Move license to the file header for TezBytesWritableSerialization
+  TEZ-3486. COMBINE_OUTPUT_RECORDS/COMBINE_INPUT_RECORDS are not correct
+  TEZ-3097. Flaky test: TestCommit.testDAGCommitStartedEventFail_OnDAGSuccess.
+  TEZ-3487. Improvements in travis yml file to get builds to work.
+  TEZ-3483. Create basic travis yml file for Tez.
+  TEZ-3437. Improve synchronization and the progress report behavior for Inputs from TEZ-3317.
+  TEZ-3317. Speculative execution starts too early due to 0 progress.
+  TEZ-3452. Auto-reduce parallelism calculation can overflow with large inputs
+  TEZ-3439. Tez joinvalidate fails when first input argument size is bigger than the second.
+  TEZ-3464. Fix findbugs warnings in tez-dag mainLoop
+  TEZ-3330. Propagate additional config parameters when running MR jobs via Tez.
+  TEZ-3335. DAG client thinks app is still running when app status is null
+  TEZ-3460. Fix precommit release audit warning
+  TEZ-3368. NPE in DelayedContainerManager
+  TEZ-3440. Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs
+  TEZ-3429. Set reconfigureDoneTime on VertexConfigurationDoneEvent properly.
+  TEZ-3000. Fix TestContainerReuse.
+  TEZ-3436. Check input and output count before start in MapProcessor.
+  TEZ-3426. Second AM attempt launched for session mode and recovery disabled for certain cases
+  TEZ-3326. Display JVM system properties in AM and task logs.
+  TEZ-3009. Errors that occur during container task acquisition are not logged.
+  TEZ-2852. TestVertexImpl fails due to race in AsyncDispatcher.
+  TEZ-3413. ConcurrentModificationException in HistoryEventTimelineConversion for AppLaunchedEvent.
+  TEZ-3352. MRInputHelpers getStringProperty() should not fail if property value is null.
+  TEZ-3409. Log dagId along with other information when submitting a dag.
+  TEZ-3384. Fix TestATSV15HistoryLoggingService::testDAGGroupingGroupingEnabled unit test.
+  TEZ-3376. Fix groupId generation to account for dagId starting with 1.
+  TEZ-3359. Add granular log levels for HistoryLoggingService.
+  TEZ-3374. Change TEZ_HISTORY_LOGGING_TIMELINE_NUM_DAGS_PER_GROUP conf key name.
+  TEZ-3358. Support using the same TimelineGroupId for multiple DAGs.
+  TEZ-3357. Change TimelineCachePlugin to handle DAG grouping.
+  TEZ-3348. NullPointerException in Tez MROutput while trying to write using Parquet's DeprecatedParquetOutputFormat.
+  TEZ-3356. Fix initializing of stats when custom ShuffleVertexManager is used.
+  TEZ-3329. Tez ATS data is incomplete for a vertex which fails or gets killed before initialization.
+  TEZ-3235. Modify Example TestOrderedWordCount job to test the IPC limit for large dag plans.
+  TEZ-3337. Do not log empty fields of TaskAttemptFinishedEvent to avoid confusion.
+  TEZ-1248. Reduce slow-start should special case 1 reducer runs.
+  TEZ-3370. Tez UI: Display the log link as N/A if the app does not provide a log link
+  TEZ-3398. Tez UI: Bread crumb link to Application from Application details dag/configuration tab is broken
+  TEZ-3433. Tez UI: Searching using wrong ID causes error in all DAGs page
+  TEZ-3419. Tez UI: Applications page shows error, for users with only DAG level ACL permission
+  TEZ-3347. Tez UI: Vertex UI throws an error while getting vertexProgress for a killed Vertex
+  TEZ-3546. Tez UI: On sorting asc - Not Available must be at the top
+
+Release 0.8.4: 2016-07-08
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+
+  TEZ-3323. Update licese and notice for xml-apis jar. Also update year in notice to 2016.
+  TEZ-3223. Support a NullHistoryLogger to disable history logging if needed.
+  TEZ-3286. Allow clients to set processor reserved memory per vertex (instead of per container).
+  TEZ-3293. Fetch failures can cause a shuffle hang waiting for memory merge that never starts.
+  TEZ-3314. Double counting input bytes in MultiMRInput.
+  TEZ-3308. Add counters to capture input split length.
+  TEZ-3302. Add a version of processorContext.waitForAllInputsReady and waitForAnyInputReady with a timeout.
+  TEZ-3291. Optimize splits grouping when locality information is not available.
+  TEZ-3305. TestAnalyzer fails on Hadoop 2.7.
+  TEZ-3304. TestHistoryParser fails with Hadoop 2.7.
+  TEZ-3296. Tez job can hang if two vertices at the same root distance have different task requirements
+  TEZ-3294. DAG.createDag() does not clear local state on repeat calls.
+  TEZ-3297. Deadlock scenario in AM during ShuffleVertexManager auto reduce.
+  TEZ-3296. Tez fails to compile against hadoop 2.8 after MAPREDUCE-5870
+  TEZ-3290. Set full task attempt id string in MRInput configuration object.
+  TEZ-3278. Hide Swimlane from Tez UI
+  TEZ-3280. LOG MRInputHelpers split generation message as INFO
+  TEZ-909.  Provide support for application tags
+  TEZ-2769. TEZ-UI Hive SQL is only displayed to line 11
+  TEZ-3257. Fix flaky test TestUnorderedPartitionedKVWriter.
+  TEZ-3240. Improvements to tez.lib.uris to allow for multiple tarballs and mixing tarballs and jars.
+  TEZ-3237. Corrupted shuffle transfers to disk are not detected during transfer
+  TEZ-3246. Improve diagnostics when DAG killed by user
+  TEZ-3258. Jvm Checker does not ignore DisableExplicitGC when checking JVM GC options.
+  TEZ-3256. [Backport HADOOP-11032] Remove Guava Stopwatch dependency
+  TEZ-2342. Reduce bytearray copy with TezEvent Serialization and deserialization
+  TEZ-3251. Allow ability to add custom counters to TaskRunner2Callable.
+  TEZ-3250. TezTaskRunner2 should accept ExecutorService.
+  TEZ-3193. Deadlock in AM during task commit request.
+  TEZ-3203. DAG hangs when one of the upstream vertices has zero tasks
+  TEZ-3219. Allow service plugins to define log locations link for remotely run task attempts.
+  TEZ-3224. User payload is not initialized before creating vertex manager plugin.
+  TEZ-3226. Tez UI 2: All DAGs UX improvements.
+  TEZ-3077. TezClient.waitTillReady should support timeout.
+  TEZ-3202. Reduce the memory need for jobs with high number of segments
+  TEZ-3165. Allow Inputs/Outputs to be initialized serially, control processor initialization relative to Inputs/Outputs
+  TEZ-3214. Tez UI 2: Pagination in All DAGs
+  TEZ-3210. Tez UI 2: license should account for numeral, more-js, loader.js , etc
+  TEZ-3087. Tez UI 2: Add log links in task & attempt details page
+  TEZ-3146. Tez UI 2: CSS & JS assets in the UI must be minified
+  TEZ-3259. Tez UI: Build issue - File saver package is not working well with bower
+  TEZ-3262. Tez UI : zip.js is not having a bower friendly versioning system
+  TEZ-3281. Tez UI: Swimlane improvements
+  TEZ-3318. Tez UI: Polling is not restarted after RM recovery
+
+Release 0.8.3: 2016-04-14 
+
+INCOMPATIBLE CHANGES
+  TEZ-3180. Update master docs to declare hadoop-2.6.x as a minimum requirement.
+  TEZ-3029. Add an onError method to service plugin contexts.
+  TEZ-3120. Remove TaskCommContext.getCurrentDagName, Identifier.
+  TEZ-3183. Change the taskFailed method on plugin contexts to specify the type of failure.
+  TEZ-3199. Rename getCredentials in TaskCommunicatorContext to be less confusing.
+
+ALL CHANGES:
+  TEZ-3188. Move tez.submit.hosts out of TezConfiguration to TezConfigurationConstants.
+  TEZ-3194. Tez UI: Swimlane improve in-progress experience.
+  TEZ-3196. java.lang.InternalError from decompression codec is fatal to a task during shuffle
+  TEZ-3161. Allow task to report different kinds of errors - fatal / kill.
+  TEZ-3177. Non-DAG events should use the session domain or no domain if the data does not need protection.
+  TEZ-3192. IFile#checkState creating unnecessary objects though auto-boxing
+  TEZ-3173. Update Tez AM REST APIs for more information for each vertex.
+  TEZ-3108. Add support for external services to local mode.
+  TEZ-3189. Pre-warm dags should not be counted in submitted dags count by DAGAppMaster.
+  TEZ-2967. Vertex start time should be that of first task start time in UI
+  TEZ-3175. Add tez client submit host
+  TEZ-3166. Fix a few cases where counters aren't fully updated and sent for failed tasks.
+  TEZ-2958. Recovered TA, whose commit cannot be recovered, should move to killed state
+  TEZ-2936. Create ATS implementation that enables support for YARN-4265 (ATS v1.5)
+  TEZ-3148. Invalid event TA_TEZ_EVENT_UPDATE on TaskAttempt.
+  TEZ-3105. TezMxBeanResourceCalculator does not work on IBM JDK 7 or 8 causing Tez failures.
+  TEZ-3155. Support a way to submit DAGs to a session where the DAG plan exceeds hadoop ipc limits.
+  TEZ-2863. Container, node, and logs not available in UI for tasks that fail to launch
+  TEZ-3140. Reduce AM memory usage during serialization
+  TEZ-2756. MergeManager close should not try merging files on close if invoked after a shuffle exception.
+  TEZ-3156. Tez client keeps trying to talk to RM even if RM does not know about the application.
+  TEZ-3115. Shuffle string handling adds significant memory overhead
+  TEZ-3151. Expose DAG credentials to plugins.
+  TEZ-3149. Tez-tools: Add username in DagInfo.
+  TEZ-2988. DAGAppMaster::shutdownTezAM should return with a no-op if it has been invoked earlier.
+  TEZ-3147. Intermediate mem-to-mem: Fix early exit when only one segment can fit into memory
+  TEZ-3141. mapreduce.task.timeout is not translated to container heartbeat timeout
+  TEZ-3128. Avoid stopping containers on the AM shutdown thread.
+  TEZ-3129. Tez task and task attempt UI needs application fails with NotFoundException
+  TEZ-3114. Shuffle OOM due to EventMetaData flood
+  TEZ-1911. MergeManager's unconditionalReserve() should check for memory limits before allocating.
+  TEZ-3102. Fetch failure of a speculated task causes job hang
+  TEZ-3124. Running task hangs due to missing event to initialize input in recovery.
+  TEZ-3135. tez-ext-service-tests, tez-plugins/tez-yarn-timeline-history and tez-tools/tez-javadoc-tools missing dependencies.
+  TEZ-3134. tez-dag should depend on commons-collections4.
+  TEZ-3126. Log reason for not reducing parallelism
+  TEZ-3131. Support a way to override test_root_dir for FaultToleranceTestRunner.
+  TEZ-3067. Links to tez configs documentation should be bubbled up to top-level release page.
+  TEZ-3123. Containers can get re-used even with conflicting local resources.
+  TEZ-3117. Deadlock in Edge and Vertex code
+  TEZ-3103. Shuffle can hang when memory to memory merging enabled
+  TEZ-3107. tez-tools: Log warn msgs in case ATS has wrong values (e.g startTime > finishTime).
+  TEZ-3104. Tez fails on Bzip2 intermediate output format on hadoop 2.7.1 and earlier
+  TEZ-3090. MRInput should make dagIdentifier, vertexIdentifier, etc available to the InputFormat jobConf.
+  TEZ-3093. CriticalPathAnalyzer should be accessible via zeppelin.
+  TEZ-3089. TaskConcurrencyAnalyzer can return negative task count with very large jobs.
+  TEZ-2307. Possible wrong error message when submitting new dag
+  TEZ-2974. Tez tools: TFileRecordReader in tez-tools should support reading >2 GB tfiles.
+  TEZ-3081. Update tez website for trademarks feedback.
+  TEZ-3076. Reduce merge memory overhead to support large number of in-memory mapoutputs
+  TEZ-3079. Fix tez-tfile parser documentation.
+  TEZ-3066. TaskAttemptFinishedEvent ConcurrentModificationException in recovery or history logging services.
+  TEZ-3036. Tez AM can hang on startup with no indication of error
+  TEZ-3052. Task internal error due to Invalid event: T_ATTEMPT_FAILED at FAILED
+  TEZ-2594. Fix LICENSE for missing entries for full and minimal tarballs.
+  TEZ-3053. Containers timeout if they do not receive a task within the container timeout interval.
+  TEZ-2898. tez tools : swimlanes.py is broken.
+  TEZ-2937. Can Processor.close() be called after closing inputs and outputs?
+  TEZ-3037. History URL should be set regardless of which history logging service is enabled.
+  TEZ-3032. DAG start time getting logged using system time instead of recorded time in startTime field.
+  TEZ-3101. Tez UI: Task attempt log link doesn't have the correct protocol.
+  TEZ-3143. Tez UI 2: Make the build faster
+  TEZ-3160. Tez UI 2: Swimlane - Create swimlane page & component (sree)
+  TEZ-3170. Tez UI 2: Swimlane - Display computed events, event bars & dependencies (sree)
+  TEZ-3152. Tez UI 2: Build fails when run by multiple users or when node_modules is old (sree)
+  TEZ-3171. Tez UI 2: Swimlane - Tooltip, zoom & redirection (sree)
+  TEZ-3172. Tez UI: Swimlane - In progress & Shadow (sree)
+  TEZ-3201. Tez-UI build broken (sree)
+
+TEZ-2980: Tez UI 2 - Umbrella:
+  TEZ-2982. Tez UI: Create tez-ui2 directory and get a basic dummy page working in ember 2.2
+  TEZ-3016. Tez UI 2: Make bower dependency silent
+  TEZ-2983. Tez UI 2: Get ember initializers functional
+  TEZ-3018. Tez UI 2: Add config.env
+  TEZ-3019. Tez UI 2: Replace BaseURL with Host
+  TEZ-2984. Tez UI 2: Create abstract classes
+  TEZ-3020. Tez UI 2: Add entity blueprint
+  TEZ-2985. Tez UI 2: Create loader and entity classes
+  TEZ-3021. Tez UI 2: Add env service & initializer
+  TEZ-3023. Tez UI 2: Abstract adapter and route
+  TEZ-3022. Tez UI 2: Add serializer & adapter for timeline server
+  TEZ-3026. Tez UI 2: Add adapters for RM & AM
+  TEZ-3027. Tez UI 2: Add header and footer elements
+  TEZ-2986. Tez UI 2: Implement All DAGs page
+  TEZ-3038. Tez UI 2: Create DAG details page
+  TEZ-3039. Tez UI 2: Create all sub-pages for DAG
+  TEZ-3040. Tez UI 2: Create Vertex details page & sub tables
+  TEZ-3041. Tez UI 2: Create Task & Attempt details page with sub tables
+  TEZ-3045. Tez UI 2: Create application details page with DAGs tab
+  TEZ-3048. Tez UI 2: Make PhantomJS a local dependency for build tests
+  TEZ-3042. Tez UI 2: Create Counters pages
+  TEZ-3043. Tez UI 2: Create configurations page
+  TEZ-3049. Tez UI 2: Add column selector
+  TEZ-3050. Tez UI 2: Add counter columns
+  TEZ-3064. Tez UI 2: Add All DAGs filters
+  TEZ-3059. Tez UI 2: Make refresh functional
+  TEZ-3070. Tez UI 2: Jenkins build is failing
+  TEZ-3060. Tez UI 2: Activate auto-refresh
+  TEZ-3061. Tez UI 2: Display in-progress vertex table in DAG details
+  TEZ-3069. Tez UI 2: Make error bar fully functional
+  TEZ-3062. Tez UI 2: Integrate graphical view
+  TEZ-3058. Tez UI 2: Add download data functionality
+  TEZ-3084. Tez UI 2: Display caller type and info
+  TEZ-3080. Tez UI 2: Ensure UI 2 is in-line with UI 1
+  TEZ-3092. Tez UI 2: Tuneups & Improvements
+  TEZ-3095. Tez UI 2: Tuneups & Improvements
+  TEZ-3088. Tez UI 2: Licenses of all the packages used by Tez Ui must be documented
+  TEZ-2916. Tez UI 2: Show counts of running tasks on the DAG visualization page
+  TEZ-3125. Tez UI 2: All auto-refresh pages refresh multiple times shortly after application complete
+  TEZ-3127. Tez UI 2: Release audit is failing
+
+Release 0.8.2: 2016-01-19
+
+INCOMPATIBLE CHANGES
+  TEZ-3024. Move TaskCommunicator to correct package.
+  TEZ-2679. Admin forms of launch env settings
+  TEZ-2948. Stop using dagName in the dagComplete notification to TaskCommunicators.
+  TEZ-2949. Allow duplicate dag names within session for Tez.
+  TEZ-604. Revert temporary changes made in TEZ-603 to kill the provided tez session, if running a MapReduce job.
+  TEZ-2972. Avoid task rescheduling when a node turns unhealthy
+
+ALL CHANGES:
+  TEZ-2669. Propagation of errors from plugins to the AM for error reporting.
+  TEZ-2978. Add an option to allow the SplitGrouper to generate node local only groups.
+  TEZ-2129. Task and Attempt views should contain links to the logs
+  TEZ-3025. InputInitializer creation should use the dag ugi.
+  TEZ-3017. HistoryACLManager does not have a close method for cleanup
+  TEZ-2914. Ability to limit vertex concurrency
+  TEZ-3011. Link Vertex Name in Dag Tasks/Task Attempts to Vertex
+  TEZ-3006. Remove unused import in TestHistoryParser.
+  TEZ-2910. Set caller context for tracing ( integrate with HDFS-9184 ).
+  TEZ-2976. Recovery fails when InputDescriptor is changed during input initialization.
+  TEZ-2997. Tez UI: Support searches by CallerContext ID for DAGs
+  TEZ-2996. TestAnalyzer fails in trunk after recovery redesign
+  TEZ-2987. TestVertexImpl.testTez2684 fails
+  TEZ-2995. Timeline primary filter should only be on callerId and not type.
+  TEZ-2994. LocalProgress in tez-runtime-library missing Apache header, rat check warnings from the new licenses after TEZ-2592 merge.
+  TEZ-2977. Make HadoopShim selection be overridable for distro-specific implementations.
+  TEZ-2472. Change slf4j version to 1.7.10.
+  TEZ-2920. org.apache.tez.client.TestTezClient.testStopRetriesUntilTimeout is flaky.
+  TEZ-2824. Add javadocs for Vertex.setConf and DAG.setConf.
+  TEZ-2911. Null location Strings can cause problems with GroupedSplit serialization.
+  TEZ-2990. Change test-patch.sh to run through all tests, despite failures in upstream modules
+  TEZ-2798. NPE when executing TestMemoryWithEvents::testMemoryScatterGather.
+  TEZ-2963. RecoveryService#handleSummaryEvent exception with HDFS transparent encryption + kerberos authentication.
+  TEZ-2966. Tez does not honor mapreduce.task.timeout
+  TEZ-2979. FlakyTest: org.apache.tez.history.TestHistoryParser.
+  TEZ-1491. Tez reducer-side merge's counter update is slow.
+  TEZ-2943. Change shuffle vertex manager to use per vertex data for auto
+  reduce and slow start
+  TEZ-2346. TEZ-UI: Lazy load other info / counter data
+  TEZ-2975. Bump up apache commons dependency.
+  TEZ-2970. Re-localization in TezChild does not use correct UGI.
+  TEZ-2968. Counter limits exception causes AM to crash.
+  TEZ-2960. Tez UI: Move hardcoded url namespace to the configuration file
+  TEZ-2581. Umbrella for Tez Recovery Redesign
+  TEZ-2956. Handle auto-reduce parallelism when the
+  totalNumBipartiteSourceTasks is 0
+  TEZ-2947. Tez UI: Timeline, RM & AM requests gets into a consecutive loop in counters page without any delay
+  TEZ-2946. Tez UI: At times RM return a huge error message making the yellow error bar to fill the whole screen
+  TEZ-2949. Allow duplicate dag names within session for Tez.
+  TEZ-2952. NPE in TestOnFileUnorderedKVOutput
+  TEZ-2480. Exception when closing output is ignored.
+  TEZ-2944. NPE in TestProcessorContext.
+  TEZ-2948. Stop using dagName in the dagComplete notification to TaskCommunicators.
+  TEZ-2945. TEZ-2740 addendum to update API with currently supported parameters
+  TEZ-2933. Tez UI: Load application details from RM when available
+  TEZ-2908. Tez UI: Errors are logged, but not displayed in the UI when AM fetch fails
+  TEZ-2923. Tez Live UI counters view empty for vertices, tasks, attempts
+  TEZ-2924. Framework for Hadoop shims.
+  TEZ-2935. Add MR slow start translation for ShuffleVertexManager
+  TEZ-2918. Make progress notifications in IOs
+  TEZ-2940. Invalid shuffle max slow start setting causes vertex to hang indefinitely
+  TEZ-2930. Tez UI: Parent controller is not polling at times
+  TEZ-1670. Add tests for all converter functions in HistoryEventTimelineConversion.
+  TEZ-2879. While grouping splits, allow an alternate list of preferred locations to be provided per split.
+  TEZ-2929. Tez UI: Dag details page displays vertices to be running even when dag have completed
+  TEZ-1976. Findbug warning: Unread field:
+  org.apache.hadoop.mapreduce.split.TezGroupedSplitsInputFormat$SplitHolder.split
+  TEZ-2927. Tez UI: Graciously fail when system-metrics-publisher is disabled
+  TEZ-2915. Tez UI: Getting back to the DAG details page is difficult
+  TEZ-2895. Tez UI: Add option to enable and disable in-progress
+  TEZ-2894. Tez UI: Disable sorting for few columns while in progress. Display an alert on trying to sort them
+  TEZ-2893. Tez UI: Retain vertex info displayed in DAG details page even after completion
+  TEZ-2878. Tez UI: AM error handling - Make the UI handle cases in which AM returns unexpected/no data
+  TEZ-2922. Tez Live UI gives access denied for admins
+  TEZ-2849. Implement Specific Workaround for JDK-8026049 & JDK-8073093.
+  TEZ-2828. Fix typo in "Shuffle assigned " log statement in shuffle.orderedgrouped.Shuffle.
+  TEZ-2909. Tez UI: Application link in All DAGs table is disable when applicationhistory is unavailable
+  TEZ-808. Handle task attempts that are not making progress
+  TEZ-2553. Tez UI: Tez UI Nits
+  TEZ-2814. ATSImportTool has a return statement in a finally block
+  TEZ-2906. Compilation fails with hadoop 2.2.0
+  TEZ-2900. Ignore V_INPUT_DATA_INFORMATION when vertex is in Failed/Killed/Error
+  TEZ-2244. PipelinedSorter: Progressive allocation for sort-buffers
+  TEZ-2904. Pig can't specify task specific command opts
+  TEZ-2888. Make critical path calculation resilient to AM crash
+  TEZ-2899. Tez UI: DAG getting created with huge horizontal gap in between vertices
+  TEZ-2907. NPE in IFile.Reader.getLength during final merge operation
+  TEZ-2903. Stop using proprietary APIs in RPCLoadGen.
+  TEZ-2882. Consider improving fetch failure handling
+  TEZ-2850. Tez MergeManager OOM for small Map Outputs
+  TEZ-1888. Fix javac warnings all over codebase.
+  TEZ-2886. Ability to merge AM credentials with DAG credentials.
+  TEZ-2896. Fix thread names used during Input/Output initialization.
+  TEZ-2866. Tez UI: Newly added columns wont be displayed by default in tables
+  TEZ-2887. Tez build failure due to missing dependency in pom files.
+  TEZ-1692. Reduce code duplication between TezMapredSplitsGrouper and TezMapreduceSplitsGrouper.
+  TEZ-2972. Avoid task rescheduling when a node turns unhealthy
+
+
+Release 0.8.1-alpha: 2015-10-12
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-2885. Remove counter logs from AMWebController
+  TEZ-2096. TEZ-UI : Add link to view AM log of finished & running apps
+  TEZ-2874. Improved logging for caller context.
+  TEZ-2875. Enable missing tests in TestAnalyzer
+  TEZ-2781. Fallback to send only TaskAttemptFailedEvent if taskFailed heartbeat fails
+  TEZ-1788. Allow vertex level disabling of speculation
+  TEZ-2868. Fix setting Caller Context in Tez Examples.
+  TEZ-2860. NPE in DAGClientImpl.
+  TEZ-2855. Fix a potential NPE while routing VertexManager events.
+  TEZ-2758. Remove append API in RecoveryService after TEZ-1909.
+  TEZ-2851. Support a way for upstream applications to pass in a caller context to Tez.
+  TEZ-2859. TestMergeManager.testLocalDiskMergeMultipleTasks failing
+  TEZ-2858. Stop using System.currentTimeMillis in TestInputReadyTracker.
+  TEZ-2857. Fix flakey tests in TestDAGImpl.
+  TEZ-2836. Avoid setting framework/system counters for tasks running in threads.
+  TEZ-2398. Flaky test: TestFaultTolerance
+  TEZ-2833. Dont create extra directory during ATS file download
+  TEZ-2834. Make Tez preemption resilient to incorrect free resource reported
+  by YARN
+  TEZ-2775. Improve and consolidate logging in Runtime components.
+  TEZ-2097. TEZ-UI Add dag logs backend support
+  TEZ-2812. Preemption sometimes does not respect heartbeats between preemptions
+  TEZ-814.  Improve heuristic for determining a task has failed outputs
+  TEZ-2832. Support tests for both SimpleHistory logging and ATS logging
+  TEZ-2827. Increase timeout for TestFetcher testInputAttemptIdentifierMap
+  TEZ-2774. Improvements and cleanup of logging for the AM and parts of the runtme.
+  TEZ-2825. Report progress in terms of completed tasks to reduce load on AM for Tez UI
+  TEZ-2812. Tez UI: Update task & attempt tables while in progress.
+  TEZ-2786. Tez UI: Update vertex, task & attempt details page while in progress.
+  TEZ-2612. Support for showing allocation delays due to internal preemption
+  TEZ-2808. Race condition between preemption and container assignment
+  TEZ-2807. Log data in the finish event instead of the start event
+  TEZ-2799. SimpleHistoryParser NPE
+  TEZ-2643. Minimize number of empty spills in Pipelined Sorter
+  TEZ-2783. Refactor analyzers to extend TezAnalyzerBase
+  TEZ-2784. optimize TaskImpl.isFinished()
+  TEZ-2788. Allow TezAnalyzerBase to parse SimpleHistory logs
+  TEZ-2782. VertexInfo.getAvgExecutionTimeInterval throws NPE when task does not have any valid attempts info
+  TEZ-2778. Improvements to handle multiple read errors with complex DAGs
+  TEZ-2768. Log a useful error message when the summary stream cannot be closed when shutting
+  down an AM.
+  TEZ-2745. ClassNotFoundException of user code should fail dag
+  TEZ-2754. Tez UI: StartTime & EndTime is not displayed with right format in Graphical View
+  TEZ-2752. logUnsuccessful completion in Attempt should write original finish
+  time to ATS
+  TEZ-2755. Fix findbugs warning in TezClient
+  TEZ-2767. Make TezMxBeanResourceCalculator the default resource calculator.
+  TEZ-2765. Change Xmlwriter to use defaultValue instead of value tag.
+  TEZ-2750. Shuffle may not shutdown in case of a fetch failure, causing it to hang.
+  TEZ-2294. Add tez-site-template.xml with description of config properties.
+  TEZ-2757. Fix download links for Tez releases.
+  TEZ-2742. VertexImpl.finished() terminationCause hides member var of the
+  same name
+  TEZ-2747. Update master to reflect 0.8.0-alpha release.
+  TEZ-2662. Provide a way to check whether AM or task opts are valid and error if not.
+  TEZ-2739. Improve handling of read errors in critical path analyzer
+
+Release 0.8.0-alpha: 2015-09-01
+
+INCOMPATIBLE CHANGES
+  TEZ-2048. Remove VertexManagerPluginContext.getTaskContainer()
+  TEZ-2565. Consider scanning unfinished tasks in VertexImpl::constructStatistics to reduce merge overhead.
+  TEZ-2468. Change the minimum Java version to Java 7.
+
+ALL CHANGES:
+  TEZ-2749. TaskInfo in history parser should not depend on the apache directory project. Fix master build against hadoop-2.4
+  TEZ-2748. Fix master build against hadoop-2.2. 
+  TEZ-2743. Fix TezContainerLauncher logging tokens.
+  TEZ-2708. Rename classes and variables post TEZ-2003 changes.
+  TEZ-2740. Create a reconfigureVertex alias for deprecated
+  setVertexParallelism API
+  TEZ-2690. Add critical path analyser
+  TEZ-2734. Add a test to verify the filename generated by OnDiskMerge.
+  TEZ-2732. DefaultSorter throws ArrayIndex exceptions on 2047 Mb size sort buffers
+  TEZ-2687. ATS History shutdown happens before the min-held containers are released
+  TEZ-2629. LimitExceededException in Tez client when DAG has exceeds the default max counters
+  TEZ-2730. tez-api missing dependency on org.codehaus.jettison for json.
+  TEZ-2719. Consider reducing logs in unordered fetcher with shared-fetch option
+  TEZ-2646. Add scheduling casual dependency for attempts
+  TEZ-2647. Add input causality dependency for attempts
+  TEZ-2633. Allow VertexManagerPlugins to receive and report based on attempts
+  instead of tasks
+  TEZ-2650. Timing details on Vertex state changes
+  TEZ-2699. Internalize strings in ATF parser
+  TEZ-2701. Add time at which container was allocated to attempt
+  TEZ-2683. TestHttpConnection::testAsyncHttpConnectionInterrupt fails in certain environments.
+  TEZ-2692. bugfixes & enhancements related to job parser and analyzer.
+  TEZ-2663. SessionNotRunning exceptions are wrapped in a ServiceException from a dying AM.
+  TEZ-2630. TezChild receives IP address instead of FQDN.
+  TEZ-2684. ShuffleVertexManager.parsePartitionStats throws IllegalStateException: Stats should be initialized.
+  TEZ-2172. FetcherOrderedGrouped using List to store InputAttemptIdentifier can lead to some inefficiency during remove() operation.
+  TEZ-2613. Fetcher(unordered) using List to store InputAttemptIdentifier can lead to some inefficiency during remove() operation.
+  TEZ-2645. Provide standard analyzers for job analysis.
+  TEZ-2627. Support for Tez Job Priorities.
+  TEZ-2623. Fix module dependencies related to hadoop-auth.
+  TEZ-2464. Move older releases to dist archive.
+  TEZ-2239. Update Tez UI docs to explain how to configure history url for YARN.
+  TEZ-2602. Throwing EOFException when launching MR job.
+  TEZ-2496. Consider scheduling tasks in ShuffleVertexManager based on the partition sizes from the source.
+  TEZ-2616. Fix build warning by undefined version of maven-findbugs-plugin.
+  TEZ-2588. Improper argument name
+  TEZ-2575. Handle KeyValue pairs size which do not fit in a single block.
+  TEZ-2599. Dont send obsoleted data movement events to tasks
+  TEZ-2542. TezDAGID fromString array length check.
+  TEZ-2565. Consider scanning unfinished tasks in VertexImpl::constructStatistics to reduce merge overhead.
+  TEZ-2296. Add option to print counters for tez-examples.
+  TEZ-2570. Fix license header issue for eps image files.
+  TEZ-2378. In case Fetcher (unordered) fails to do local fetch, log in debug mode to reduce log size.
+  TEZ-2558. Upload additional Tez images.
+  TEZ-2486. Update tez website to include links based on
+    http://www.apache.org/foundation/marks/pmcs.html#navigation.
+  TEZ-2548. TezClient submitDAG can hang if the AM is in the process of shutting down.
+  TEZ-2473. Consider using RawLocalFileSystem in MapOutput.createDiskMapOutput.
+  TEZ-2538. ADDITIONAL_SPILL_COUNT wrongly populated for DefaultSorter with multiple partitions.
+  TEZ-2489. Disable warn log for Timeline ACL error when tez.allow.disabled.timeline-domains set to true.
+  TEZ-2376. Remove TaskAttemptEventType.TA_DIAGNOSTICS_UPDATE
+  TEZ-2509. YarnTaskSchedulerService should not try to allocate containers if AM is shutting down.
+  TEZ-2506. TestAysncHttpConnection failing.
+  TEZ-2503. findbugs version isn't reported properly in test-patch report.
+  TEZ-2198. Fix sorter spill counts.
+  TEZ-1883. Change findbugs version to 3.x.
+  TEZ-2440. Sorter should check for indexCacheList.size() in flush().
+  TEZ-2490. TEZ-2450 breaks Hadoop 2.2 and 2.4 compatability.
+  TEZ-2450. support async http clients in ordered & unordered inputs.
+  TEZ-2454. Change FetcherOrderedGroup to work as Callables instead of blocking threads.
+  TEZ-2466. tez-history-parser breaks hadoop 2.2 compatability.
+  TEZ-2463. Update site for 0.7.0 release
+  TEZ-2461. tez-history-parser compile fails with hadoop-2.4.
+  TEZ-2076. Tez framework to extract/analyze data stored in ATS for specific dag.
+  TEZ-2436. Tez UI: Add cancel button in column selector.
+  TEZ-2351. Remove GroupByOrderbyMRRTest example from tez-tests.
+  TEZ-2419. Inputs/Outputs should inform the Processor about Interrupts when interrupted during a blocking Op.
+  TEZ-1752. Inputs / Outputs in the Runtime library should be interruptable.
+  TEZ-1970. Fix javadoc warnings in SortMergeJoinExample.
+
+TEZ-2003: Support for External services CHANGES
+  TEZ-2019. Temporarily allow the scheduler and launcher to be specified via configuration.
+  TEZ-2006. Task communication plane needs to be pluggable.
+  TEZ-2090. Add tests for jobs running in external services.
+  TEZ-2117. Add a manager for ContainerLaunchers running in the AM.
+  TEZ-2122. Setup pluggable components at AM/Vertex level.
+  TEZ-2123. Fix component managers to use pluggable components. (Enable hybrid mode)
+  TEZ-2125. Create a task communicator for local mode. Allow tasks to run in the AM.
+  TEZ-2131. Add additional tests for tasks running in the AM.
+  TEZ-2138. Fix minor bugs in adding default scheduler, getting launchers.
+  TEZ-2139. Update tez version to 0.7.0-TEZ-2003-SNAPSHOT.
+  TEZ-2175. Task priority should be available to the TaskCommunicator plugin.
+  TEZ-2187. Allow TaskCommunicators to report failed / killed attempts.
+  TEZ-2241. Miscellaneous fixes after last reabse.
+  TEZ-2283. Fixes after rebase 04/07.
+  TEZ-2284. Separate TaskReporter into an interface.
+  TEZ-2285. Allow TaskCommunicators to indicate task/container liveness.
+  TEZ-2302. Allow TaskCommunicators to subscribe for Vertex updates.
+  TEZ-2347. Expose additional information in TaskCommunicatorContext.
+  TEZ-2361. Propagate dag completion to TaskCommunicator.
+  TEZ-2381. Fixes after rebase 04/28.
+  TEZ-2388. Send dag identifier as part of the fetcher request string.
+  TEZ-2414. LogicalIOProcessorRuntimeTask, RuntimeTask, TezTaskRunner should handle interrupts & carry out necessary cleanups.
+  TEZ-2420. TaskRunner returning before executing the task.
+  TEZ-2433. Fixes after rebase 05/08
+  TEZ-2438. tez-tools version in the branch is incorrect.
+  TEZ-2434. Allow tasks to be killed in the Runtime.
+  TEZ-2443. TaskRunner2 should call abort, NPEs while cleaning up tasks.
+  TEZ-2465. Retrun the status of a kill request in TaskRunner2.
+  TEZ-2471. NPE in LogicalIOProcessorRuntimeTask while printing thread info.
+  TEZ-2495. Inform TaskCommunicaor about Task and Container termination reasons.
+  TEZ-2502. Fix for TezTaskRunner2 not killing tasks properly in all situations.
+  TEZ-2508. rebase 06/01
+  TEZ-2526. Fix version for tez-history-parser.
+  TEZ-2621. rebase 07/14
+  TEZ-2124. Change Node tracking to work per external container source.
+  TEZ-2004. Define basic interface for pluggable ContainerLaunchers.
+  TEZ-2005. Define basic interface for pluggable TaskScheduler.
+  TEZ-2651. Pluggable services should not extend AbstractService.
+  TEZ-2652. Cleanup the way services are specified for an AM and vertices.
+  TEZ-2653. Change service contexts to expose a user specified payload instead of the AM configuration.
+  TEZ-2441. Add tests for TezTaskRunner2.
+  TEZ-2657. Add tests for client side changes - specifying plugins, etc.
+  TEZ-2626. Fix log lines with DEBUG in messages, consolidate TEZ-2003 TODOs.
+  TEZ-2126. Add unit tests for verifying multiple schedulers, launchers, communicators.
+  TEZ-2698. rebase 08/05
+  TEZ-2675. Add javadocs for new pluggable components, fix problems reported by jenkins
+  TEZ-2678. Fix comments from reviews - part 1.
+  TEZ-2707. Fix comments from reviews - part 2.
+  TEZ-2713. Add tests for node handling when there's multiple schedulers.
+  TEZ-2721. rebase 08/14
+  TEZ-2714. Fix comments from review - part 3.
+  TEZ-2727. Fix findbugs warnings
+  TEZ-2670. Remove TaskAttempt holder used within TezTaskCommunicator.
+  TEZ-2735. rebase 08/21
+  TEZ-2736. Pre-merge: Update CHANGES.txt and version in branch.
+
+Release 0.7.2: Unreleased
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-3696. Jobs can hang when both concurrency and speculation are enabled. 
+  TEZ-3660. Remove CHANGES.txt.
+  TEZ-3582. Exception swallowed in PipelinedSorter causing incorrect results
+  TEZ-3559. TEZ_LIB_URIS doesn't work with schemes different than the defaultFS
+  TEZ-3549. TaskAttemptImpl does not initialize TEZ_TASK_PROGRESS_STUCK_INTERVAL_MS correctly
+  TEZ-3537. ArrayIndexOutOfBoundsException with empty environment variables/Port YARN-3768 to Tez
+  TEZ-3507. Task logs link when editing url from one task to another.
+  TEZ-3536. NPE in WebUIService start when host resolution fails.
+  TEZ-3493. DAG submit timeout cannot be set to a month
+  TEZ-3505. Move license to the file header for TezBytesWritableSerialization
+  TEZ-3486. COMBINE_OUTPUT_RECORDS/COMBINE_INPUT_RECORDS are not correct
+  TEZ-3437. Improve synchronization and the progress report behavior for Inputs from TEZ-3317.
+  TEZ-3317. Speculative execution starts too early due to 0 progress.
+  TEZ-3452. Auto-reduce parallelism calculation can overflow with large inputs
+  TEZ-3439. Tez joinvalidate fails when first input argument size is bigger than the second.
+  TEZ-3464. Fix findbugs warnings in tez-dag mainLoop
+  TEZ-3335. DAG client thinks app is still running when app status is null
+  TEZ-3460. Fix precommit release audit warning
+  TEZ-3368. NPE in DelayedContainerManager
+  TEZ-3440. Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs
+  TEZ-3426. Second AM attempt launched for session mode and recovery disabled for certain cases
+  TEZ-3009. Errors that occur during container task acquisition are not logged.
+  TEZ-3413. ConcurrentModificationException in HistoryEventTimelineConversion for AppLaunchedEvent.
+  TEZ-3286. Allow clients to set processor reserved memory per vertex (instead of per container).
+  TEZ-3223. Support a NullHistoryLogger to disable history logging if needed.
+  TEZ-3293. Fetch failures can cause a shuffle hang waiting for memory merge that never starts.
+  TEZ-3305. TestAnalyzer fails on Hadoop 2.7.
+  TEZ-3304. TestHistoryParser fails with Hadoop 2.7.
+  TEZ-3296. Tez job can hang if two vertices at the same root distance have different task requirements
+  TEZ-3297. Deadlock scenario in AM during ShuffleVertexManager auto reduce.
+  TEZ-3296. Tez fails to compile against hadoop 2.8 after MAPREDUCE-5870
+  TEZ-3278. Hide Swimlane from Tez UI
+  TEZ-2769. TEZ-UI Hive SQL is only displayed to line 11
+  TEZ-3280. LOG MRInputHelpers split generation message as INFO
+  TEZ-3257. Fix flaky test TestUnorderedPartitionedKVWriter.
+  TEZ-3237. Corrupted shuffle transfers to disk are not detected during transfer
+  TEZ-3258. Jvm Checker does not ignore DisableExplicitGC when checking JVM GC options.
+  TEZ-3256. [Backport HADOOP-11032] Remove Guava Stopwatch dependency
+  TEZ-2342. Reduce bytearray copy with TezEvent Serialization and deserialization
+
+Release 0.7.1: 2016-05-10
+
+INCOMPATIBLE CHANGES
+  TEZ-2679. Admin forms of launch env settings
+  TEZ-2949. Allow duplicate dag names within session for Tez.
+
+ALL CHANGES:
+  TEZ-3193. Deadlock in AM during task commit request.
+  TEZ-3203. DAG hangs when one of the upstream vertices has zero tasks
+  TEZ-3224. User payload is not initialized before creating vertex manager plugin.
+  TEZ-3165. Allow Inputs/Outputs to be initialized serially, control processor initialization relative to Inputs/Outputs
+  TEZ-3202. Reduce the memory need for jobs with high number of segments
+  TEZ-3188. Move tez.submit.hosts out of TezConfiguration to TezConfigurationConstants.
+  TEZ-3196. java.lang.InternalError from decompression codec is fatal to a task during shuffle
+  TEZ-3177. Non-DAG events should use the session domain or no domain if the data does not need protection.
+  TEZ-3192. IFile#checkState creating unnecessary objects though auto-boxing
+  TEZ-3189. Pre-warm dags should not be counted in submitted dags count by DAGAppMaster.
+  TEZ-2967. Vertex start time should be that of first task start time in UI
+  TEZ-3175. Add tez client submit host
+  TEZ-3166. Fix a few cases where counters aren't fully updated and sent for failed tasks.
+  TEZ-2958. Recovered TA, whose commit cannot be recovered, should move to killed state
+  TEZ-3105. TezMxBeanResourceCalculator does not work on IBM JDK 7 or 8 causing Tez failures.
+  TEZ-2863. Container, node, and logs not available in UI for tasks that fail to launch
+  TEZ-3140. Reduce AM memory usage during serialization
+  TEZ-3156. Tez client keeps trying to talk to RM even if RM does not know about the application.
+  TEZ-3115. Shuffle string handling adds significant memory overhead
+  TEZ-3149. Tez-tools: Add username in DagInfo.
+  TEZ-2988. DAGAppMaster::shutdownTezAM should return with a no-op if it has been invoked earlier.
+  TEZ-3141. mapreduce.task.timeout is not translated to container heartbeat timeout
+  TEZ-3129. Tez task and task attempt UI needs application fails with NotFoundException
+  TEZ-3114. Shuffle OOM due to EventMetaData flood
+  TEZ-3102. Fetch failure of a speculated task causes job hang
+  TEZ-3126. Log reason for not reducing parallelism
+  TEZ-3123. Containers can get re-used even with conflicting local resources.
+  TEZ-3117. Deadlock in Edge and Vertex code
+  TEZ-3103. Shuffle can hang when memory to memory merging enabled
+  TEZ-3107. tez-tools: Log warn msgs in case ATS has wrong values (e.g startTime > finishTime).
+  TEZ-3104. Tez fails on Bzip2 intermediate output format on hadoop 2.7.1 and earlier
+  TEZ-3093. CriticalPathAnalyzer should be accessible via zeppelin.
+  TEZ-3089. TaskConcurrencyAnalyzer can return negative task count with very large jobs.
+  TEZ-2307. Possible wrong error message when submitting new dag.
+  TEZ-3076. Reduce merge memory overhead to support large number of in-memory mapoutputs
+  TEZ-3066. TaskAttemptFinishedEvent ConcurrentModificationException in recovery or history logging services.
+  TEZ-3036. Tez AM can hang on startup with no indication of error
+  TEZ-3052. Task internal error due to Invalid event: T_ATTEMPT_FAILED at FAILED
+  TEZ-2937. Can Processor.close() be called after closing inputs and outputs?
+  TEZ-3037. History URL should be set regardless of which history logging service is enabled.
+  TEZ-3032. DAG start time getting logged using system time instead of recorded time in startTime field.
+  TEZ-2129. Task and Attempt views should contain links to the logs
+  TEZ-3025. InputInitializer creation should use the dag ugi.
+  TEZ-3017. HistoryACLManager does not have a close method for cleanup
+  TEZ-2914. Ability to limit vertex concurrency
+  TEZ-2918. Make progress notifications in IOs
+  TEZ-2952. NPE in TestOnFileUnorderedKVOutput
+  TEZ-808. Handle task attempts that are not making progress
+  TEZ-2987. TestVertexImpl.testTez2684 fails
+  TEZ-2599. Dont send obsoleted data movement events to tasks
+  TEZ-2943. Change shuffle vertex manager to use per vertex data for auto
+  TEZ-2633. Allow VertexManagerPlugins to receive and report based on attempts
+  TEZ-3011. Link Vertex Name in Dag Tasks/Task Attempts to Vertex
+  TEZ-2538. ADDITIONAL_SPILL_COUNT wrongly populated for DefaultSorter with multiple partitions.
+  TEZ-3006. Remove unused import in TestHistoryParser.
+  TEZ-2979. FlakyTest: org.apache.tez.history.TestHistoryParser.
+  TEZ-2684. ShuffleVertexManager.parsePartitionStats throws IllegalStateException: Stats should be initialized.
+  TEZ-2496. Consider scheduling tasks in ShuffleVertexManager based on the partition sizes from the source.
+  TEZ-2995. Timeline primary filter should only be on callerId and not type.
+  TEZ-2824. Add javadocs for Vertex.setConf and DAG.setConf.
+  TEZ-2963. RecoveryService#handleSummaryEvent exception with HDFS transparent encryption + kerberos authentication.
+  TEZ-2966. Tez does not honor mapreduce.task.timeout
+  TEZ-2346. TEZ-UI: Lazy load other info / counter data
+  TEZ-2975. Bump up apache commons dependency.
+  TEZ-2970. Re-localization in TezChild does not use correct UGI.
+  TEZ-2968. Counter limits exception causes AM to crash.
+  TEZ-2947. Tez UI: Timeline, RM & AM requests gets into a consecutive loop in counters page without any delay
+  TEZ-2949. Allow duplicate dag names within session for Tez.
+  TEZ-2923. Tez Live UI counters view empty for vertices, tasks, attempts
+  TEZ-2935. Add MR slow start translation for ShuffleVertexManager
+  TEZ-2940. Invalid shuffle max slow start setting causes vertex to hang indefinitely
+  TEZ-1670. Add tests for all converter functions in HistoryEventTimelineConversion.
+  TEZ-2922. Tez Live UI gives access denied for admins
+  TEZ-2828. Fix typo in "Shuffle assigned " log statement in shuffle.orderedgrouped.Shuffle.
+  TEZ-2900. Ignore V_INPUT_DATA_INFORMATION when vertex is in Failed/Killed/Error
+  TEZ-2904. Pig can't specify task specific command opts
+  TEZ-2899. Tez UI: DAG getting created with huge horizontal gap in between vertices
+  TEZ-2882. Consider improving fetch failure handling
+  TEZ-2907. NPE in IFile.Reader.getLength during final merge operation
+  TEZ-2850. Tez MergeManager OOM for small Map Outputs
+  TEZ-2886. Ability to merge AM credentials with DAG credentials.
+  TEZ-2896. Fix thread names used during Input/Output initialization.
+  TEZ-2866. Tez UI: Newly added columns wont be displayed by default in tables
+  TEZ-2885. Remove counter logs from AMWebController.
+  TEZ-2887. Tez build failure due to missing dependency in pom files.
+  TEZ-2096. TEZ-UI : Add link to view AM log of finished & running apps
+  TEZ-2874. Improved logging for caller context.
+  TEZ-2781. Fallback to send only TaskAttemptFailedEvent if taskFailed heartbeat fails
+  TEZ-2868. Fix setting Caller Context in Tez Examples.
+  TEZ-2860. NPE in DAGClientImpl.
+  TEZ-2855. Fix a potential NPE while routing VertexManager events.
+  TEZ-2758. Remove append API in RecoveryService after TEZ-1909.
+  TEZ-2851. Support a way for upstream applications to pass in a caller context to Tez.
+  TEZ-2858. Stop using System.currentTimeMillis in TestInputReadyTracker.
+  TEZ-2857. Fix flakey tests in TestDAGImpl.
+  TEZ-2398. Flaky test: TestFaultTolerance
+  TEZ-2808. Race condition between preemption and container assignment
+  TEZ-2853. Tez UI: task attempt page is coming empty
+  TEZ-2716. DefaultSorter.isRleNeeded not thread safe
+  TEZ-2847. Tez UI: Task details doesn't gets updated on manual refresh after job complete
+  TEZ-2843. Tez UI: Show error if in progress fails due to AM not reachable
+  TEZ-2842. Tez UI: Update Tez App details page while in-progress
+  TEZ-2834. Make Tez preemption resilient to incorrect free resource reported
+  by YARN
+  TEZ-2775. Improve and consolidate logging in Runtime components.
+  TEZ-2097. TEZ-UI Add dag logs backend support
+  TEZ-2812. Preemption sometimes does not respect heartbeats between preemptions
+  TEZ-814.  Improve heuristic for determining a task has failed outputs
+  TEZ-2829. Tez UI: minor fixes to in-progress update of UI from AM
+  TEZ-2663. SessionNotRunning exceptions are wrapped in a ServiceException from a dying AM.
+  TEZ-2825. Report progress in terms of completed tasks to reduce load on AM for Tez UI
+  TEZ-2812. Tez UI: Update task & attempt tables while in progress.
+  TEZ-2786. Tez UI: Update vertex, task & attempt details page while in progress.
+  TEZ-2817. Tez UI: update in progress counter data for the dag vertices and tasks table
+  TEZ-2813. Tez UI: add counter data for rest api calls to AM Web Services v2
+  TEZ-2660. Tez UI: need to show application page even if system metrics publish is disabled.
+  TEZ-2787. Tez AM should have java.io.tmpdir=./tmp to be consistent with tasks
+  TEZ-2780. Tez UI: Update All Tasks page while in progress
+  TEZ-2792. Add AM web service API for tasks
+  TEZ-2807. Log data in the finish event instead of the start event
+  TEZ-2766. Tez UI: Add vertex in-progress info in DAG details
+  TEZ-2768. Log a useful error message when the summary stream cannot be closed when shutting
+  down an AM.
+  TEZ-2745. ClassNotFoundException of user code should fail dag
+  TEZ-2761. Tez UI: update the progress on the dag and vertices pages with info from AM
+  TEZ-2731. Fix Tez GenericCounter performance bottleneck
+  TEZ-2752. logUnsuccessful completion in Attempt should write original finish
+  time to ATS
+  TEZ-2755. Fix findbugs warning in TezClient
+  TEZ-2767. Make TezMxBeanResourceCalculator the default resource calculator.
+  TEZ-2602. Throwing EOFException when launching MR job
+  TEZ-2575. Handle KeyValue pairs size which do not fit in a single block in PipelinedSorter
+  TEZ-2198. Fix sorter spill counts
+  TEZ-2440. Sorter should check for indexCacheList.size() in flush()
+  TEZ-2742. VertexImpl.finished() terminationCause hides member var of the
+  same name
+  TEZ-2662. Provide a way to check whether AM or task opts are valid and error if not.
+  TEZ-2300. TezClient.stop() takes a lot of time or does not work sometimes
+  TEZ-2734. Add a test to verify the filename generated by OnDiskMerge.
+  TEZ-2732. DefaultSorter throws ArrayIndex exceptions on 2047 Mb size sort buffers
+  TEZ-2687. ATS History shutdown happens before the min-held containers are released
+  TEZ-2629. LimitExceededException in Tez client when DAG has exceeds the default max counters
+  TEZ-2540. Create both tez-dist minimal and minimal.tar.gz formats as part of build
+  TEZ-2630. TezChild receives IP address instead of FQDN.
+  TEZ-2211. Tez UI: Allow users to configure timezone
+  TEZ-2623. Fix module dependencies related to hadoop-auth.
+  TEZ-1314. Port MAPREDUCE-5821 to Tez.
+  TEZ-2568. V_INPUT_DATA_INFORMATION may happen after vertex is initialized
+  TEZ-2291. TEZ UI: Improper vertex name in tables.
+  TEZ-2567. Tez UI: download dag data does not work within ambari
+  TEZ-2559. tez-ui fails compilation due to version dependency of frontend-maven-plugin
+  TEZ-2545. It is not necessary to start the vertex group commit when DAG is in TERMINATING
+  TEZ-2554. Tez UI: View log link does not correctly propagate login crendential to read log from yarn web.
+  TEZ-2548. TezClient submitDAG can hang if the AM is in the process of shutting down.
+  TEZ-2547. Tez UI: Download Data fails on secure, cross-origin clusters
+  TEZ-1961. Remove misleading exception "No running dag" from AM logs.
+  TEZ-2546. Tez UI: Fetch hive query text from timeline if dagInfo is not set.
+  TEZ-2513. Tez UI: Allow filtering by DAG ID on All dags table.
+  TEZ-2541. DAGClientImpl enable TimelineClient check is wrong.
+  TEZ-2539. Tez UI: Pages are not updating in IE.
+  TEZ-2535. Tez UI: Failed task attempts link in vertex details page is broken.
+  TEZ-2489. Disable warn log for Timeline ACL error when tez.allow.disabled.timeline-domains set to true.
+  TEZ-2528. Tez UI: Column selector buttons gets clipped, and table scroll bar not visible in mac.
+  TEZ-2391. TestVertexImpl timing out at times on jenkins builds.
+  TEZ-2509. YarnTaskSchedulerService should not try to allocate containers if AM is shutting down.
+  TEZ-2527. Tez UI: Application hangs on entering erroneous RegEx in counter table search box
+  TEZ-2523. Tez UI: derive applicationId from dag/vertex id instead of relying on json data
+  TEZ-2505. PipelinedSorter uses Comparator objects concurrently from multiple threads.
+  TEZ-2504. Tez UI: tables - show status column without scrolling, numeric 0 shown as Not available
+  TEZ-2478. Move OneToOne routing to store events in Tasks.
+  TEZ-2482. Tez UI: Mouse events not working on IE11
+  TEZ-1529. ATS and TezClient integration in secure kerberos enabled cluster.
+  TEZ-2481. Tez UI: graphical view does not render properly on IE11
+  TEZ-2474. The old taskNum is logged incorrectly when parallelism is changed
+  TEZ-2460. Temporary solution for issue due to YARN-2560
+  TEZ-2455. Tez UI: Dag view caching, error handling and minor layout changes
+  TEZ-2453. Tez UI: show the dagInfo is the application has set the same.
+  TEZ-2447. Tez UI: Generic changes based on feedbacks.
+  TEZ-2409. Allow different edges to have different routing plugins
+
+Release 0.7.0: 2015-05-18
+
+INCOMPATIBLE CHANGES
+  TEZ-2176. Move all logging to slf4j. (commons-logging jar no longer part of Tez tar)
+  TEZ-1993. Implement a pluggable InputSizeEstimator for grouping fairly.
+  TEZ-2424. Bump up max counter group name length limit to account for per_io counters.
+    Default max limit increased. Should not affect existing users.
+
+ALL CHANGES:
+  TEZ-2446. Tez UI: Add tezVersion details when downloading timeline data for offline use
+  TEZ-2432. Syntax error in DOAP file release section
+  TEZ-2445. Disable the object cleanup in local mode in LogicalIOProcessorRuntimeTask.
+  TEZ-2057. tez-dag/pom.xml contains versions for dependencies.
+  TEZ-2435. Add public key to KEYS
+  TEZ-2421. Deadlock in AM because attempt and vertex locking each other out
+  TEZ-2426. Ensure the eventRouter thread completes before switching to a new task and thread safety fixes in IPOContexts.
+  TEZ-2412. Should kill vertex in DAGImpl#VertexRerunWhileCommitting
+  TEZ-2410. VertexGroupCommitFinishedEvent & VertexCommitStartedEvent is not logged correctly
+  TEZ-776. Reduce AM mem usage caused by storing TezEvents
+  TEZ-2423. Tez UI: Remove Attempt Index column from task->attempts page
+  TEZ-2416. Tez UI: Make tooltips display faster.
+  TEZ-2404. Handle DataMovementEvent before its TaskAttemptCompletedEvent
+  TEZ-2424. Bump up max counter group name length limit to account for per_io counters.
+  TEZ-2417. Tez UI: Counters are blank in the Attempts page if all attempts failed
+  TEZ-2366. Pig tez MiniTezCluster unit tests fail intermittently after TEZ-2333
+  TEZ-2406. Tez UI: Display per-io counter columns in task and attempt pages under vertex
+  TEZ-2384. Add warning message in the case of prewarn under non-session mode.
+  TEZ-2415. PMC RDF needs to use asfext:pmc, not asfext:PMC.
+  TEZ-2401. Tez UI: All-dag page has duration keep counting for KILLED dag.
+  TEZ-2392. Have all readers throw an Exception on incorrect next() usage.
+  TEZ-2408. TestTaskAttempt fails to compile against hadoop-2.4 and hadoop-2.2.
+  TEZ-2405. PipelinedSorter can throw NPE with custom compartor.
+  TEZ-1897. Create a concurrent version of AsyncDispatcher
+  TEZ-2394. Issues when there is an error in VertexManager callbacks
+  TEZ-2386. Tez UI: Inconsistent usage of icon colors
+  TEZ-2395. Tez UI: Minimum/Maximum Duration show a empty bracket next to 0 secs when you purposefully failed a job.
+  TEZ-2360. per-io counters flag should generate both overall and per-edge counters
+  TEZ-2389. Tez UI: Sort by attempt-no is incorrect in attempts pages.
+  TEZ-2363: Fix off-by-one error in REDUCE_INPUT_RECORDS counter
+  TEZ-2383. Cleanup input/output/processor contexts in LogicalIOProcessorRuntimeTask.
+  TEZ-2084. Tez UI: Stacktrace format info is lost in diagnostics
+  TEZ-2374. Fix build break against hadoop-2.2 due to TEZ-2325.
+  TEZ-2314. Tez task attempt failures due to bad event serialization
+  TEZ-2368. Make a dag identifier available in Context classes.
+  TEZ-2325. Route status update event directly to the attempt.
+  TEZ-2358. Pipelined Shuffle: MergeManager assumptions about 1 merge per source-task.
+  TEZ-2342. TestFaultTolerance.testRandomFailingTasks fails due to timeout.
+  TEZ-2362. State Change Notifier Thread should be stopped when dag is
+  completed
+  TEZ-2364. Resolve config parameter replacement on the client, before sending them to the AM.
+  TEZ-2298. Avoid logging full exception trace in TaskRunner when it's not the main error reason and is ignored.
+  TEZ-2248. VertexImpl/DAGImpl.checkForCompletion have too many termination cause checks
+  TEZ-2341. TestMockDAGAppMaster.testBasicCounters fails on windows
+  TEZ-2352. Move getTaskStatistics into the RuntimeTask class.
+  TEZ-2357. Tez UI: misc.js.orig is committed by accident
+  TEZ-2261. Should add diagnostics in DAGAppMaster when recovery error happens
+  TEZ-2340. TestRecoveryParser fails
+  TEZ-2345. Tez UI: Enable cell level loading in all DAGs table
+  TEZ-2330. Create reconfigureVertex() API for input based initialization
+  TEZ-2292. Add e2e test for error reporting when vertex manager invokes
+  plugin APIs
+  TEZ-2308. Add set/get of record counts in task/vertex statistics
+  TEZ-2344. Tez UI: Equip basic-ember-table's cell level loading for all use cases in all DAGs table
+  TEZ-2313. Regression in handling obsolete events in ShuffleScheduler.
+  TEZ-2212. Notify components on DAG completion.
+  TEZ-2328. Add tez.runtime.sorter.class & rename tez.runtime.sort.threads
+  to tez.runtime.pipelined.sorter.sort.threads.
+  TEZ-2333. Enable local fetch optimization by default.
+  TEZ-2310. Deadlock caused by StateChangeNotifier sending notifications on
+  thread holding locks
+  TEZ-1969. Stop the DAGAppMaster when a local mode client is stopped
+  TEZ-714. OutputCommitters should not run in the main AM dispatcher thread
+  TEZ-2323. Fix TestOrderedWordcount to use MR memory configs.
+  TEZ-1482. Fix memory issues for Local Mode running concurrent tasks
+  TEZ-2033. Update TestOrderedWordCount to add processor configs as history text
+  and use MR configs correctly
+  TEZ-2318. Tez UI: source and sink page is broken as they are not populated.
+  TEZ-2016. Tez UI: Dag View Fit and Finish
+  TEZ-2252. Tez UI: in graphical view some of the sinks are hidden as they overlap
+  TEZ-2275. Tez UI: enable faster loading and caching of data in tables
+  TEZ-2234. Add API for statistics information - allow vertex managers to get
+  output size per source vertex
+  TEZ-2274. Tez UI: full data loading, client side search and sort for other pages
+  TEZ-2301. Switch Tez Pre-commit builds to use tezqa user.
+  TEZ-2299. Invalid dag creation in MRRSleepJob post TEZ-2293.
+  TEZ-2290. Scale memory for Default Sorter down to a max of 2047 MB if configured higher.
+  TEZ-2233. Allow EdgeProperty of an edge to be changed by VertexManager
+  TEZ-2293. When running in "mr" mode, always use MR config settings.
+  TEZ-2273. Tez UI: Support client side searching & sorting for dag tasks page
+  TEZ-2223. TestMockDAGAppMaster fails due to TEZ-2210 on mac.
+  TEZ-2236. Tez UI: Support loading of all tasks in the dag tasks page
+  TEZ-2159. Tez UI: download timeline data for offline use.
+  TEZ-2269. DAGAppMaster becomes unresponsive (post TEZ-2149).
+  TEZ-2243. documentation should explicitly specify protobuf 2.5.0.
+  TEZ-2232. Allow setParallelism to be called multiple times before tasks get
+  scheduled
+  TEZ-2265. All inputs/outputs in a task share the same counter object
+  TEZ-2251. Race condition in VertexImpl & Edge causes DAG to hang.
+  TEZ-2264. Remove unused taskUmbilical reference in TezTaskRunner, register as running late.
+  TEZ-2149. Optimizations for the timed version of DAGClient.getStatus.
+  TEZ-2213. For the ordered case, enabling pipelined shuffle should automatically disable final merge.
+  TEZ-2204. TestAMRecovery increasingly flaky on jenkins builds.
+  TEZ-2209. Fix pipelined shuffle to fetch data from any one attempt
+  TEZ-2210. Record DAG AM CPU usage stats
+  TEZ-2203. Intern strings in tez counters
+  TEZ-2202. Fix LocalTaskExecutionThread ID to the standard thread numbering.
+  TEZ-2059. Remove TaskEventHandler in TestDAGImpl
+  TEZ-2191. Simulation improvements to MockDAGAppMaster
+  TEZ-2195. TestTezJobs::testInvalidQueueSubmission/testInvalidQueueSubmissionToSession
+    fail with hadoop branch-2.
+  TEZ-1827. MiniTezCluster takes 10 minutes to shut down.
+  TEZ-2178. YARN-3122 breaks tez compilation with hadoop 2.7.0.
+  TEZ-2174. Make task priority available to TaskAttemptListener.
+  TEZ-2169. Add NDC context to various threads and pools.
+  TEZ-2171. Remove unused metrics code.
+  TEZ-2001. Support pipelined data transfer for ordered output.
+  TEZ-2170. Incorrect its in README.md.
+  TEZ-2070. Controller class of output should be committer rather than initializer in DAG's dot file.
+  TEZ-2083. Make PipelinedSorter as the default sorter.
+  TEZ-1967. Add a monitoring API on DAGClient which returns after a time interval or on DAG final state change.
+  TEZ-2130. Send the sessionToken as part of the AM CLC.
+  TEZ-1935. Organization should be removed from http://tez.apache.org/team-list.html.
+  TEZ-2009. Change license/copyright headers to 2015.
+  TEZ-2085. PipelinedSorter should bail out (on BufferOverflowException) instead of retrying continuously.
+  TEZ-167. Create tests for MR Combiner.
+  TEZ-2080. Localclient should be using tezconf in init instead of yarnconf.
+  TEZ-2072. Add missing Private annotation to createDAG in the DAG API class.
+  TEZ-2095. master branch fails to compile against hadoop-2.4.
+  TEZ-2093. Add events to MockDAGAppMaster and add e2e test for event routing
+  TEZ-2075. Incompatible issue caused by TEZ-1233 that TezConfiguration.TEZ_SITE_XML is made private
+  TEZ-2082. Race condition in TaskAttemptListenerImpTezDag.getTask()
+  TEZ-1233. Allow configuration of framework parameters per vertex.
+  TEZ-2045. TaskAttemptListener should not pull Tasks from AMContainer. Instead these should be registered with the listener.
+  TEZ-1914. VertexManager logic should not run on the central dispatcher
+  TEZ-2023. Refactor logIndividualFetchComplete() to be common for both shuffle-schedulers.
+  TEZ-1999. IndexOutOfBoundsException during merge.
+  TEZ-2000. Source vertex exists error during DAG submission.
+  TEZ-2008. Add methods to SecureShuffleUtils to verify a reply based on a provided Key.
+  TEZ-1995. Build failure against hadoop 2.2.
+  TEZ-1997. Remove synchronization DefaultSorter::isRLENeeded() (Causes sorter to hang indefinitely in large jobs).
+  TEZ-1996. Update Website after 0.6.0
+  TEZ-1803. Support > 2gb sort buffer in pipelinedsorter.
+  TEZ-1826. Add option to disable split grouping and local mode option for tez-examples.
+  TEZ-1982. TezChild setupUgi should not be using environment.
+  TEZ-1980. Suppress tez-dag findbugs warnings until addressed.
+  TEZ-1855. Avoid scanning for previously written files within Inputs / Outputs.
+  TEZ-1902. Fix findbugs warnings in tez-mapreduce.
+  TEZ-1963. Fix post memory merge to be > 2 GB.
+  TEZ-1901. Fix findbugs warnings in tez-examples.
+  TEZ-1941. Memory provided by *Context.getAvailableMemory needs to be setup explicitly.
+  TEZ-1879. Create local UGI instances for each task and the AM, when running in LocalMode.
+  TEZ-1661. LocalTaskScheduler hangs when shutdown.
+  TEZ-1951. Fix general findbugs warnings in tez-dag.
+  TEZ-1905. Fix findbugs warnings in tez-tests.
+  TEZ-1945. Remove 2 GB memlimit restriction in MergeManager.
+  TEZ-1913. Reduce deserialize cost in ValuesIterator.
+  TEZ-1917. Examples should extend TezExampleBase.
+  TEZ-1892. Add hashCode and equals for Vertex/VertexGroup/Edge/GroupInputEdge.
+  TEZ-1904. Fix findbugs warnings in tez-runtime-library module.
+  TEZ-1903. Fix findbugs warnings in tez-runtime-internal module.
+  TEZ-1896. Move the default heartbeat timeout and checkinterval to TezConfiguration.
+  TEZ-1274. Remove Key/Value type checks in IFile.
+  TEZ-1912. Merge exceptions are thrown when enabling tez.runtime.shuffle.memory-to-memory.enable && tez.runtime.shuffle.memory-to-memory.segments.
+  TEZ-1922. Fix comments: add UNSORTED_OUTPUT to TEZ_TASK_SCALE_MEMORY_WEIGHTED_RATIOS.
+  TEZ-485. Get rid of TezTaskStatus.
+  TEZ-1899. Fix findbugs warnings in tez-common module.
+  TEZ-1898. Fix findbugs warnings in tez-api module.
+  TEZ-1906. Fix findbugs warnings in tez-yarn-timeline-history-with-acls.
+  TEZ-1767. Enable RLE in reducer side merge codepath.
+  TEZ-1837. Restrict usage of Environment variables to main methods.
+  TEZ-1867. Create new central dispatcher for Tez AM
+  TEZ-1844. Shouldn't invoke system.exit in local mode when AM is failed to start.
+  TEZ-1889. Fix test-patch to provide correct findbugs report.
+  TEZ-1313. Setup pre-commit build to test submitted patches.
+  TEZ-1856. Remove LocalOnFileSortedOutput, LocalMergedInput, LocalTaskOutputFiles.
+  TEZ-1949. Whitelist TEZ_RUNTIME_OPTIMIZE_SHARED_FETCH for broadcast edges.
+  TEZ-1593. Refactor PipelinedSorter to remove all MMAP based ByteBuffer references.
+
+Release 0.6.3: Unreleased
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-2907. NPE in IFile.Reader.getLength during final merge operation
+  TEZ-2850. Tez MergeManager OOM for small Map Outputs
+  TEZ-2781. Fallback to send only TaskAttemptFailedEvent if taskFailed heartbeat fails
+  TEZ-2855. Fix a potential NPE while routing VertexManager events.
+  TEZ-2716. DefaultSorter.isRleNeeded not thread safe
+  TEZ-2758. Remove append API in RecoveryService after TEZ-1909.
+  TEZ-2851. Support a way for upstream applications to pass in a caller context to Tez.
+  TEZ-2398. Flaky test: TestFaultTolerance
+  TEZ-2808. Race condition between preemption and container assignment
+  TEZ-2834. Make Tez preemption resilient to incorrect free resource reported
+  by YARN
+  TEZ-2097. TEZ-UI Add dag logs backend support
+  TEZ-2812. Preemption sometimes does not respect heartbeats between preemptions
+  TEZ-814.  Improve heuristic for determining a task has failed outputs
+  TEZ-2809. Minimal distribution compiled on 2.6 fails to run on 2.7
+  TEZ-2768. Log a useful error message when the summary stream cannot be closed when shutting
+  down an AM.
+  TEZ-2745. ClassNotFoundException of user code should fail dag
+  TEZ-2752. logUnsuccessful completion in Attempt should write original finish
+  time to ATS
+  TEZ-2742. VertexImpl.finished() terminationCause hides member var of the
+  same name
+  TEZ-2732. DefaultSorter throws ArrayIndex exceptions on 2047 Mb size sort buffers
+  TEZ-2290. Scale memory for Default Sorter down to a max of 2047 MB if configured higher.
+  TEZ-2734. Add a test to verify the filename generated by OnDiskMerge.
+  TEZ-2687. ATS History shutdown happens before the min-held containers are released
+  TEZ-2629. LimitExceededException in Tez client when DAG has exceeds the default max counters
+  TEZ-2630. TezChild receives IP address instead of FQDN.
+
+Release 0.6.2: 2015-08-07
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-2311. AM can hang if kill received while recovering from previous attempt.
+  TEZ-2623. Fix module dependencies related to hadoop-auth.
+  TEZ-2560. fix tex-ui build for maven 3.3+
+  TEZ-2600. When used with HDFS federation(viewfs) ,tez will throw a error
+  TEZ-2579. Incorrect comparison of TaskAttemptId
+  TEZ-2549. Reduce Counter Load on the Timeline Server
+  TEZ-2548. TezClient submitDAG can hang if the AM is in the process of shutting down.
+  TEZ-2534. Error handling summary event when shutting down AM.
+  TEZ-2511. Add exitCode to diagnostics when container fails.
+  TEZ-2489. Disable warn log for Timeline ACL error when tez.allow.disabled.timeline-domains set to true.
+  TEZ-2509. YarnTaskSchedulerService should not try to allocate containers if AM is shutting down.
+  TEZ-2483. Tez should close task if processor fail
+
+Release 0.6.1: 2015-05-18
+
+INCOMPATIBLE CHANGES
+
+ALL CHANGES:
+  TEZ-2437. FilterLinesByWord NPEs when run in Localmode
+  TEZ-2057. tez-dag/pom.xml contains versions for dependencies.
+  TEZ-2282. Delimit reused yarn container logs (stderr, stdout, syslog) with task attempt start/stop events
+  TEZ-2396. pig-tez-tfile-parser pom is hard coded to depend on 0.6.0-SNAPSHOT version.
+  TEZ-2237. Valid events should be sent out when an Output is not started.
+  TEZ-1988. Tez UI: does not work when using file:// in a browser
+  TEZ-2390. tez-tools swimlane tool fails to parse large jobs >8K containers
+  TEZ-2256. 

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