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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7869) Provide way to not start LogSyncer thread
Date Wed, 27 Feb 2013 17:01:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588512#comment-13588512
] 

Hadoop QA commented on HBASE-7869:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12571206/HBASE-7869_Trunk-V2.patch
  against trunk revision .

    {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 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

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

    {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:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/4578//console

This message is automatically generated.
                
> Provide way to not start LogSyncer thread
> -----------------------------------------
>
>                 Key: HBASE-7869
>                 URL: https://issues.apache.org/jira/browse/HBASE-7869
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver, wal
>    Affects Versions: 0.95.0, 0.94.6
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 0.95.0, 0.94.6
>
>         Attachments: HBASE-7869_94.patch, HBASE-7869_Trunk.patch, HBASE-7869_Trunk-V2.patch
>
>
> In our usecase we want all the Mutations on all the tables to be immediately written
and synced to WAL. We dont want the LogSyncer thread to be running in such a case.
> In minbatch operation we write entries to WAL and we use postWALWrite and write some
more WAL entries(Only write no sync). We want all these written data to be synced as one unit
(at the sync step in doMiniBatchOperation) But if the LogSyncer thread is running in the system
it can come and do the sync at any point in time which we dont want in our case.

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