[jira] [Commented] (HBASE-12409) Add actual tunable parameters for finding optimal # of regions per RS

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-12409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14194293#comment-14194293 ] 

Hadoop QA commented on HBASE-12409:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12678882/HBASE-12409.patch
  against trunk revision .
  ATTACHMENT ID: 12678882

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+0 tests included{color}.  The patch appears to be a documentation patch that doesn't require tests.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the total number of checkstyle errors

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:red}-1 lineLengths{color}.  The patch introduces the following lines longer than 100:
    +        <programlisting>((RS memory) * (total memstore fraction)) / ((memstore size)*(# column families))</programlisting>
+          <listitem><para>HBase 0.94.x:<code>((RS Xmx) * hbase.regionserver.global.memstore.upperLimit) /

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.client.TestFastFail

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
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Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
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Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/11561//console

This message is automatically generated.

> Add actual tunable parameters for finding optimal # of regions per RS
> ---------------------------------------------------------------------
>
>                 Key: HBASE-12409
>                 URL: https://issues.apache.org/jira/browse/HBASE-12409
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation, Performance
>            Reporter: Misty Stanley-Jones
>            Assignee: Misty Stanley-Jones
>         Attachments: HBASE-12409.patch
>
>
> http://hbase.apache.org/book/ops.capacity.html#ops.capacity.regions.count should mention:
> HBase 0.94:
> (RS Xmx)(hbase.regionserver.global.memstore.upperLimit)/((hbase.hregion.memstore.flush.size)(# column families))
> HBase 0.98+: replace upperLimit with hbase.regionserver.global.memstore.size



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