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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11338) Expand documentation on bloom filters
Date Thu, 19 Jun 2014 07:10:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14037056#comment-14037056
] 

Hadoop QA commented on HBASE-11338:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12651367/HBASE-11338.patch
  against trunk revision .
  ATTACHMENT ID: 12651367

    {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 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 1 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:
    +          <code>blockCacheHitRatio</code> in the RegionServer metrics. If
Bloom filters are enabled, the value of
+          <code>blockCacheHitRatio</code> should increase, because the Bloom
filter is filtering out blocks that
+            xlink:href="http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/HColumnDescriptor.html">HColumnDescriptor</link>.</para>
+hbase> <userinput>create 'mytable',{NAME => 'colfam1', BLOOMFILTER => 'ROWCOL'}</userinput>
         
+                <entry><para>Enables cache-on-write for inline blocks of a compound
Bloom filter.</para></entry>

  {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:
     

     {color:red}-1 core zombie tests{color}.  There are 1 zombie test(s): 	at org.apache.hadoop.hbase.regionserver.TestHRegion.testWritesWhileGetting(TestHRegion.java:3499)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9793//console

This message is automatically generated.

> Expand documentation on bloom filters
> -------------------------------------
>
>                 Key: HBASE-11338
>                 URL: https://issues.apache.org/jira/browse/HBASE-11338
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Misty Stanley-Jones
>            Assignee: Misty Stanley-Jones
>         Attachments: HBASE-11338.patch
>
>
> Ref Guide  could use more info on bloom filters.



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