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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7463) Simplify FSNamesystem#getBlockLocationsUpdateTimes
Date Wed, 10 Dec 2014 23:21:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14241939#comment-14241939
] 

Hadoop QA commented on HDFS-7463:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12686347/HDFS-7463.008.patch
  against trunk revision 2e98ad3.

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
test files.

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

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 41 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:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager
                  org.apache.hadoop.hdfs.TestDecommission

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8994//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/8994//artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8994//console

This message is automatically generated.

> Simplify FSNamesystem#getBlockLocationsUpdateTimes
> --------------------------------------------------
>
>                 Key: HDFS-7463
>                 URL: https://issues.apache.org/jira/browse/HDFS-7463
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-7463.000.patch, HDFS-7463.001.patch, HDFS-7463.002.patch, HDFS-7463.003.patch,
HDFS-7463.004.patch, HDFS-7463.005.patch, HDFS-7463.006.patch, HDFS-7463.007.patch, HDFS-7463.008.patch,
HDFS-7463.008.patch
>
>
> Currently {{FSNamesystem#getBlockLocationsUpdateTimes}} holds the read lock to access
the blocks. It releases the read lock and then acquires the write lock when it needs to update
the access time of the {{INode}}.
> This jira proposes to move the responsibility of the latter steps to the caller to simplify
the code.



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