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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11316) Expand info about compactions beyond HBASE-11120
Date Tue, 01 Jul 2014 04:25:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14048496#comment-14048496
] 

Hadoop QA commented on HBASE-11316:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12653289/HBASE-11316-4.patch
  against trunk revision .
  ATTACHMENT ID: 12653289

    {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:red}-1 findbugs{color}.  The patch appears to introduce 13 new Findbugs (version
1.3.9) 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:
    +    <description> The time for which a region will block updates after reaching
the StoreFile (HFile)
+      can try raising this value. Default: the value of LONG.MAX_VALUE, expressed in bytes.</description>
+                  <filename>hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/ExploringCompactionPolicy.java</filename>.
+                    compaction. This may be because not all HFiles in the Column Family are
available to
+                                less than the sum of the sizes of the other HFiles in the
set.</para>
+                    HFile. Its function is to remove deletes and expired versions, and reset
locality
+                    HFile to be compacted, a major compaction is run, even if it would otherwise
have
+                          compaction. Its effect is to limit compaction of large HFiles.
The value of
+                xlink:href="http://hbase.apache.org/xref/org/apache/hadoop/hbase/regionserver/Store.html#836">Store
+<userinput>alter 'orders_table', CONFIGURATION => {'hbase.hstore.engine.class' =>
'org.apache.hadoop.hbase.regionserver.StripeStoreEngine', 'hbase.hstore.blockingStoreFiles'
=> '100'}</userinput>

  {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.regionserver.compactions.TestStripeCompactionPolicy
                  org.apache.hadoop.hbase.regionserver.TestDefaultCompactSelection

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9908//console

This message is automatically generated.

> Expand info about compactions beyond HBASE-11120
> ------------------------------------------------
>
>                 Key: HBASE-11316
>                 URL: https://issues.apache.org/jira/browse/HBASE-11316
>             Project: HBase
>          Issue Type: Bug
>          Components: Compaction, documentation
>            Reporter: Misty Stanley-Jones
>            Assignee: Misty Stanley-Jones
>         Attachments: 9.7.pdf, HBASE-11316-1.patch, HBASE-11316-2.patch, HBASE-11316-3.patch,
HBASE-11316-4.patch, HBASE-11316.patch
>
>
> Round 2 - expand info about the algorithms, talk about stripe compaction, and talk more
about configuration. Hopefully find some rules of thumb.



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