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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-1749) Ozone Client should randomize the list of nodes in pipeline for reads
Date Thu, 18 Jul 2019 20:08:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1749?focusedWorklogId=279300&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-279300
]

ASF GitHub Bot logged work on HDDS-1749:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 18/Jul/19 20:07
            Start Date: 18/Jul/19 20:07
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on issue #1124: HDDS-1749 : Ozone Client should
randomize the list of nodes in pipeliā€¦
URL: https://github.com/apache/hadoop/pull/1124#issuecomment-512967762
 
 
   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | 0 | reexec | 36 | Docker mode activated. |
   ||| _ Prechecks _ |
   | +1 | dupname | 0 | No case conflicting files found. |
   | +1 | @author | 0 | The patch does not contain any @author tags. |
   | -1 | test4tests | 0 | The patch doesn't appear to include any new or modified tests.
 Please justify why no new tests are needed for this patch. Also please list what manual steps
were performed to verify this patch. |
   ||| _ trunk Compile Tests _ |
   | +1 | mvninstall | 466 | trunk passed |
   | +1 | compile | 265 | trunk passed |
   | +1 | checkstyle | 73 | trunk passed |
   | +1 | mvnsite | 0 | trunk passed |
   | +1 | shadedclient | 868 | branch has no errors when building and testing our client artifacts.
|
   | +1 | javadoc | 146 | trunk passed |
   | 0 | spotbugs | 310 | Used deprecated FindBugs config; considering switching to SpotBugs.
|
   | +1 | findbugs | 501 | trunk passed |
   ||| _ Patch Compile Tests _ |
   | +1 | mvninstall | 443 | the patch passed |
   | +1 | compile | 240 | the patch passed |
   | +1 | javac | 240 | the patch passed |
   | +1 | checkstyle | 67 | the patch passed |
   | +1 | mvnsite | 0 | the patch passed |
   | +1 | whitespace | 0 | The patch has no whitespace issues. |
   | +1 | shadedclient | 625 | patch has no errors when building and testing our client artifacts.
|
   | +1 | javadoc | 152 | the patch passed |
   | +1 | findbugs | 513 | the patch passed |
   ||| _ Other Tests _ |
   | -1 | unit | 281 | hadoop-hdds in the patch failed. |
   | -1 | unit | 1480 | hadoop-ozone in the patch failed. |
   | +1 | asflicense | 51 | The patch does not generate ASF License warnings. |
   | | | 6367 | |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | hadoop.hdds.scm.container.placement.algorithms.TestContainerPlacementFactory
|
   |   | hadoop.ozone.client.rpc.TestBlockOutputStreamWithFailures |
   |   | hadoop.ozone.client.rpc.TestCloseContainerHandlingByClient |
   |   | hadoop.ozone.client.rpc.TestOzoneClientRetriesOnException |
   |   | hadoop.ozone.client.rpc.TestOzoneRpcClient |
   |   | hadoop.ozone.container.server.TestSecureContainerServer |
   |   | hadoop.ozone.container.ozoneimpl.TestSecureOzoneContainer |
   |   | hadoop.hdds.scm.pipeline.TestRatisPipelineProvider |
   |   | hadoop.ozone.client.rpc.TestOzoneRpcClientWithRatis |
   |   | hadoop.hdds.scm.pipeline.TestRatisPipelineCreateAndDestory |
   |   | hadoop.ozone.client.rpc.TestSecureOzoneRpcClient |
   |   | hadoop.ozone.client.rpc.TestFailureHandlingByClient |
   |   | hadoop.ozone.client.rpc.TestOzoneAtRestEncryption |
   |   | hadoop.ozone.client.rpc.TestCommitWatcher |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | Client=18.09.8 Server=18.09.8 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-1124/1/artifact/out/Dockerfile
|
   | GITHUB PR | https://github.com/apache/hadoop/pull/1124 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient
findbugs checkstyle |
   | uname | Linux 9df3745bafda 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | personality/hadoop.sh |
   | git revision | trunk / 9838a47 |
   | Default Java | 1.8.0_212 |
   | unit | https://builds.apache.org/job/hadoop-multibranch/job/PR-1124/1/artifact/out/patch-unit-hadoop-hdds.txt
|
   | unit | https://builds.apache.org/job/hadoop-multibranch/job/PR-1124/1/artifact/out/patch-unit-hadoop-ozone.txt
|
   |  Test Results | https://builds.apache.org/job/hadoop-multibranch/job/PR-1124/1/testReport/
|
   | Max. process+thread count | 5170 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdds/client U: hadoop-hdds/client |
   | Console output | https://builds.apache.org/job/hadoop-multibranch/job/PR-1124/1/console
|
   | versions | git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1 |
   | Powered by | Apache Yetus 0.10.0 http://yetus.apache.org |
   
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 279300)
    Time Spent: 0.5h  (was: 20m)

> Ozone Client should randomize the list of nodes in pipeline for reads
> ---------------------------------------------------------------------
>
>                 Key: HDDS-1749
>                 URL: https://issues.apache.org/jira/browse/HDDS-1749
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Client
>    Affects Versions: 0.4.0
>            Reporter: Mukul Kumar Singh
>            Assignee: Aravindan Vijayan
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Currently the list of nodes returned by SCM are static and are returned in the same order
to all the clients. Ideally these should be sorted by the network topology and then returned
to client.
> However even when network topology in not available, then SCM/client should randomly
sort the nodes before choosing the replica's to connect.



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