[jira] [Commented] (HBASE-11280) Document distributed log replay and distributed log splitting

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

    [ https://issues.apache.org/jira/browse/HBASE-11280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017517#comment-14017517 ] 

Hadoop QA commented on HBASE-11280:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12648295/HBASE-11280.patch
  against trunk revision .
  ATTACHMENT ID: 12648295

    {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:green}+1 findbugs{color}.  The patch does not introduce any 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:
    +              xlink:href="http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/regionserver/wal/HLog.html">HLog</link>.
+          <para>The WAL resides in HDFS in the <filename>/hbase/.logs/</filename> directory, with subdirectories per
+          <para>Log splitting is done by the HMaster during cluster start-up or by the ServerShutdownHandler
+                file. The temporary edit file is stored to disk with the following naming pattern:</para>
+              <para> When the region is opened, the <filename>recovered.edits</filename> folder is checked for recovered
+                (<link xlink:href="https://issues.apache.org/jira/browse/HBASE-1364">HBASE-1364</link>) 
+[hdfs%3A%2F%2Fhost2.sample.com%3A56020%2Fhbase%2F.logs%2Fhost8.sample.com%2C57020%2C1340474893275-splitting%2Fhost8.sample.com%253A57020.1340474893900, 
+hdfs%3A%2F%2Fhost2.sample.com%3A56020%2Fhbase%2F.logs%2Fhost3.sample.com%2C57020%2C1340474893299-splitting%2Fhost3.sample.com%253A57020.1340474893931, 
+hdfs%3A%2F%2Fhost2.sample.com%3A56020%2Fhbase%2F.logs%2Fhost4.sample.com%2C57020%2C1340474893287-splitting%2Fhost4.sample.com%253A57020.1340474893946]                  
+<userinput>get /hbase/splitlog/hdfs%3A%2F%2Fhost2.sample.com%3A56020%2Fhbase%2F.logs%2Fhost6.sample.com%2C57020%2C1340474893287-splitting%2Fhost6.sample.com%253A57020.1340474893945

  {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.TestMultiParallel
                  org.apache.hadoop.hbase.regionserver.TestHRegion

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9688//console

This message is automatically generated.

> Document distributed log replay and distributed log splitting
> -------------------------------------------------------------
>
>                 Key: HBASE-11280
>                 URL: https://issues.apache.org/jira/browse/HBASE-11280
>             Project: HBase
>          Issue Type: Sub-task
>          Components: documentation, MTTR, wal
>            Reporter: Misty Stanley-Jones
>            Assignee: Misty Stanley-Jones
>             Fix For: 0.99.0
>
>         Attachments: HBASE-11280.patch
>
>
> Enable 'distributed log replay' by default.  Depends on hfilev3 being enabled.



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