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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11280) Document distributed log replay and distributed log splitting
Date Thu, 05 Jun 2014 00:10:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14018361#comment-14018361
] 

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/12648395/HBASE-11280-1.patch
  against trunk revision .
  ATTACHMENT ID: 12648395

    {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:
    +            Usually, there is only one instance of a WAL per RegionServer. The RegionServer
records Puts and Deletes to
+            HBase 0.94, they were stored in <filename>/hbase/.logs/</filename>),
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:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9692//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-11280-1.patch, HBASE-11280.patch
>
>
> Enable 'distributed log replay' by default.  Depends on hfilev3 being enabled.



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