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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8449) Refactor recoverLease retries and pauses informed by findings over in hbase-8389
Date Fri, 24 May 2013 07:37:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13666062#comment-13666062
] 

Hadoop QA commented on HBASE-8449:
----------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12584648/8449v7.txt
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
tests.

    {color:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {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 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/5813//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/5813//console

This message is automatically generated.
                
> Refactor recoverLease retries and pauses informed by findings over in hbase-8389
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-8449
>                 URL: https://issues.apache.org/jira/browse/HBASE-8449
>             Project: HBase
>          Issue Type: Bug
>          Components: Filesystem Integration
>    Affects Versions: 0.94.7, 0.95.0
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 0.95.1
>
>         Attachments: 8449.txt, 8449v2.txt, 8449v3.txt, 8449v4.txt, 8449v6.txt, 8449v7.txt
>
>
> HBASE-8359 is an interesting issue that roams near and far.  This issue is about making
use of the findings handily summarized on the end of hbase-8359 which have it that trunk needs
refactor around how it does its recoverLease handling (and that the patch committed against
HBASE-8359 is not what we want going forward).
> This issue is about making a patch that adds a lag between recoverLease invocations where
the lag is related to dfs timeouts -- the hdfs-side dfs timeout -- and optionally makes use
of the isFileClosed API if it is available (a facility that is not yet committed to a branch
near you and unlikely to be within your locality with a good while to come).

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