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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14287) Bootstrapping a cluster leaves temporary WAL directory laying around
Date Sun, 13 Sep 2015 16:54:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742547#comment-14742547
] 

Hadoop QA commented on HBASE-14287:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12755601/14287-branch-1.txt
  against branch-1 branch at commit a9157379a3046a9d4c377675c932257c4ecb6597.
  ATTACHMENT ID: 12755601

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions
(2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0 2.7.1)

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

    {color:green}+1 protoc{color}.  The applied patch does not increase the total number of
protoc 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:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

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

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
     

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/15577//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15577//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/15577//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/15577//console

This message is automatically generated.

> Bootstrapping a cluster leaves temporary WAL directory laying around
> --------------------------------------------------------------------
>
>                 Key: HBASE-14287
>                 URL: https://issues.apache.org/jira/browse/HBASE-14287
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 1.0.2, 1.1.1
>            Reporter: Lars George
>            Priority: Minor
>             Fix For: 1.2.0, 1.3.0, 1.0.3, 1.1.3
>
>         Attachments: 14287-branch-1.txt
>
>
> When a new cluster is started, it creates a temporary WAL as {{hbase:meta}} is created
during bootstrapping the system. Then this log is closed before properly opened on a region
server. The temp WAL file is scheduled for removal, moved to oldWALs and eventually claimed.
Issue is that the WAL directory with the temp region is not removed. For example:
> {noformat}
> drwxr-xr-x   - hadoop hadoop          0 2015-05-28 10:21 /hbase/WALs/hregion-65589555
> {noformat}
> The directory is empty and does not harm, but on the other hand it is not needed anymore
and should be removed. Cosmetic and good housekeeping.



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