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From Andrew Purtell <apurt...@apache.org>
Subject Re: Second release candidate for HBase 0.99.0 (RC1) is available. Please vote by 09/19/2014
Date Sat, 20 Sep 2014 01:55:58 GMT
On Fri, Sep 19, 2014 at 6:44 PM, Jean-Marc Spaggiari
<jean-marc@spaggiari.org> wrote:
> Results are there: http://tiny.cloudera.com/sjeyn

I get "Access not possible"

On Fri, Sep 19, 2014 at 6:44 PM, Jean-Marc Spaggiari
<jean-marc@spaggiari.org> wrote:
> UniformRandomReadBenchmark is not working anymore:
>
> 2014-09-19 05:18:54,719 INFO  [0] hbase.HFilePerformanceEvaluation: Running
> UniformRandomReadBenchmark for 1000000 rows.
> 2014-09-19 05:18:54,719 INFO  [0] hfile.CacheConfig: CacheConfig:disabled
> Exception in thread "0" java.lang.AssertionError: Expected 0000472128 but
> got 0000472127
>         at
> org.apache.hadoop.hbase.PerformanceEvaluationCommons.assertKey(PerformanceEvaluationCommons.java:50)
>         at
> org.apache.hadoop.hbase.PerformanceEvaluationCommons.assertKey(PerformanceEvaluationCommons.java:45)
>         at
> org.apache.hadoop.hbase.HFilePerformanceEvaluation$UniformRandomReadBenchmark.doRow(HFilePerformanceEvaluation.java:295)
>         at
> org.apache.hadoop.hbase.HFilePerformanceEvaluation$RowOrientedBenchmark.run(HFilePerformanceEvaluation.java:169)
>         at
> org.apache.hadoop.hbase.HFilePerformanceEvaluation.runBenchmark(HFilePerformanceEvaluation.java:121)
>         at
> org.apache.hadoop.hbase.HFilePerformanceEvaluation$2.run(HFilePerformanceEvaluation.java:87)
>         at java.lang.Thread.run(Thread.java:744)
>
> Also, on the performance side, I got very strange results.
>
> Some tests are as fast as 0.98.6, some are WAY slower...
>
> Results are there: http://tiny.cloudera.com/sjeyn I will restart the tests
> tomorrow and get new numbers by mid next week.
>
> Appart from that, it works. And since it's a dev release, I'm +1 with it.
>
> JM
>
> 2014-09-19 21:28 GMT-04:00 Andrew Purtell <apurtell@apache.org>:
>
>> +1
>>
>> Checked file sums and signature
>> Unpacked tarball, looked at directory layout
>> Started up a minicluster in tree, did a quick ingest test, it succeeded
>>
>>
>> On Tue, Sep 16, 2014 at 1:52 PM, Enis Söztutar <enis@apache.org> wrote:
>> > I am very happy to say that the second HBase 0.99.0 release candidate
>> (RC1)
>> > is
>> > available for download at
>> https://people.apache.org/~enis/hbase-0.99.0RC1/
>> >
>> > Maven artifacts are also available in the temporary repository
>> > https://repository.apache.org/content/repositories/orgapachehbase-1039/
>> >
>> > Signed with my code signing key E964B5FF. Can be found here:
>> > https://people.apache.org/keys/committer/enis.asc
>> >
>> > Signed tag in the repository can be found here:
>> >
>> https://git-wip-us.apache.org/repos/asf?p=hbase.git;a=tag;h=336a63b5f58bb1c4859e3c2b6a2f5c0d68a7d9e1
>> >
>> > NOTE IN GIGANTIC LETTERS THAT THIS IS A DEVELOPER RELEASE.
>> > DO NOT USE THIS RELEASE IN PRODUCTION.
>> >
>> > HBase 0.99.0 is a "developer preview" release, and an odd-numbered
>> release
>> > as
>> > defined in
>> https://hbase.apache.org/book/upgrading.html#hbase.versioning.
>> > This release IS NOT intended for production use, and does not contain any
>> > backwards or forwards compatibility guarantees (even within minor
>> versions
>> > 0.99.x). Please refrain from deploying this over important data.
>> >
>> > 0.99.0 release is provided from branch-1, which will be the basis for
>> > HBase-1.0
>> > release. A few 0.99.x releases are planned before 1.0. The reason for
>> > doing a developer preview release is to get more testing for the branch-1
>> > code
>> > that will be released soon as HBase-1.0.0. Thus, all contribution in
>> terms
>> > of
>> > testing, benchmarking, checking API / source /wire compatibility,
>> checking
>> > out
>> > documentation and further code contribution is highly appreciated. 1.0
>> will
>> > be
>> > the first series in the 1.x line of releases which are expected to keep
>> > compatibility with previous 1.x releases. Thus it is very important to
>> > check
>> > the client side and server side APIs for compatibility and
>> maintainability
>> > concerns for future releases.
>> >
>> > 0.99.0 contains slightly more than 1K issues resolved with many
>> > improvements
>> > and bug fixes. The theme of (eventual) 1.0 release is to become a stable
>> > base
>> > for future 1.x series of releases. 1.0 release will aim to achieve at
>> least
>> > the same level of stability of 0.98 releases without introducing too many
>> > new
>> > features.
>> >
>> > Some work has been under way to clearly mark and differentiate client
>> > facing
>> > APIs, and redefine some of the client interfaces for improving semantics,
>> > easy
>> > of use and maintainability. 0.99.0 contains some of the completed items,
>> > and
>> > the rest can be found HBASE-10602. Marking/remarking of interfaces with
>> > InterfaceAudience has also been going on, which will identify areas for
>> > compatibility (with clients, coprocessors and dependent projects like
>> > Phoenix)
>> > for future releases.
>> >
>> > Starting with 0.99.0, the HBase master server and backup master servers
>> > will
>> > also act as a region server. RPC port and info port for web UI is shared
>> > for
>> > the master and region server roles. Active master and backup masters by
>> > default
>> > will NOT be hosting any regions unless configured otherwise. See
>> > HBASE-10569
>> > and HBASE-11604 for more details.
>> >
>> > This release contains Phase 1 items for experimental "Read availability
>> > using
>> > timeline consistent region replicas" feature. A region can be hosted in
>> > multiple region servers in read-only mode. One of the replicas for the
>> > region
>> > will be primary, accepting writes, and other replicas will be sharing the
>> > same
>> > data files. Read requests can be done against any replica for the region
>> > with
>> > backup RPCs for high availability with timeline consistency guarantees.
>> > More
>> > information can be found at HBASE-10070.
>> >
>> > Other notable improvements in this release are
>> >  - Automatic tuning of global memstore and block cache sizes
>> >  - Various security, tags and visibility labels improvements
>> >  - Bucket cache improvements (usability and compressed data blocks)
>> >  - A new pluggable replication endpoint to plug in to HBase's
>> inter-cluster
>> >    replication to replicate to a custom data store
>> >  - A Dockerfile to easily build and run HBase from source
>> >  - Internal refactoring for abstracting away zookeeper usage
>> >  - Truncate table command
>> >  - Region assignment to use hbase:meta table instead of zookeeper for
>> faster
>> >    region assignment (disabled by default)
>> >  - Better support for Cell interface internally in read and write paths
>> for
>> >    better performance and flexibility
>> >  - Combining internal mvcc and seqId infrastructure
>> >  - Extensive documentation improvements
>> >  - Numerous improvements in other areas and bug fixes.
>> >
>> > The release has these changes in default behaviour:
>> >  - hfile version 3 has been enabled by default
>> >  - Distributed log replay has been enabled by default
>> >  - Slab cache has been removed (use bucket cache instead)
>> >  - Some client facing APIs (HTableInterface, etc) has been deprecated and
>> >    replaced.
>> >
>> > We have also adopted an orca as the mascot for Apache HBase. See it at
>> > https://hbase.apache.org/
>> >
>> > Thanks for everybody who have contributed to this release. Full list of
>> the
>> > issues
>> > can be found here:
>> >
>> https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12325675
>> >
>> >
>> > Compatibility
>> > -------------
>> > 0.99.x series of releases are preview of upcoming 1.0 release. HBase-1.0
>> is
>> > planned to be wire compatible with 0.98.x and 0.96.x releases. Clients
>> and
>> > servers running in different versions as long as new features are not
>> used
>> > should be possible.
>> > A rolling upgrade from 0.98.x clusters to 0.99.0 is supported as well.
>> > 0.99.0
>> > introduces a new file format (hfile v3) that is enabled by default that
>> > 0.96.x code cannot read. Rolling upgrade from 0.96 directly to 0.99 is
>> not
>> > tested.
>> >
>> > Direct migration from 0.94.x is also supported but it IS NOT tested.
>> Before
>> > HBase-1.0 we expect to complete the test.
>> >
>> > Binary compatibility at the Java API layer with earlier versions (0.98.x,
>> > 0.96.x and 0.94.x) is not supported. You may have to recompile your
>> client
>> > code and any server side code (coprocessors, filters etc) referring to
>> > hbase jars.
>> >
>> > 0.99.0 release introduces new APIs, and deprecates some of commonly-used
>> > client side APIs (HTableInterface, etc). However, client side code is
>> > expected
>> > to be source compatible with earlier versions. However we advise to
>> update
>> > your application to use the new style of APIs, since deprecated APIs
>> might
>> > be removed in future releases (2.x).
>> >
>> >
>> > Supported Hadoop versions
>> > -------------------------
>> > 0.99.0 release drops support for Hadoop-1.x releases. Only Hadoop-2.x
>> > releases are supported. Hadoop-2.4.x and Hadoop-2.5.x releases are the
>> > most tested hadoop releases and we recommend running with those versions.
>> > Earlier Hadoop-2 based releases (hadoop-2.2.x and 2.3.x) are not tested
>> to
>> > the full
>> > extend. More information can be found here:
>> > https://hbase.apache.org/book/configuration.html#hadoop
>> >
>> >
>> > Supported Java versions
>> > -------------------------
>> > 0.99.0 release drops support for JDK6. Only JDK7 is supported. JDK8
>> support
>> > is experimental. More information can be found here:
>> > https://hbase.apache.org/book/configuration.html#java
>> >
>> >
>> > Voting
>> > ------
>> > Please try to test and vote on this release by 09/19/2014 11:59PM PDT.
>> > This is a developer (beta) release, so we have a shorter vote time.
>> >
>> > [] +1 Release the artifacts as 0.99.0
>> > [] -1 DO NOT release the artifacts as 0.99.0, because...
>> >
>> > Thanks for helping to get a stable release out!
>> >
>> > Enis
>>
>>
>>
>> --
>> Best regards,
>>
>>    - Andy
>>
>> Problems worthy of attack prove their worth by hitting back. - Piet
>> Hein (via Tom White)
>>



-- 
Best regards,

   - Andy

Problems worthy of attack prove their worth by hitting back. - Piet
Hein (via Tom White)

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