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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5400) DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT constant is set to the wrong value
Date Tue, 22 Oct 2013 02:21:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13801417#comment-13801417
] 

Hadoop QA commented on HDFS-5400:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12609559/HDFS-5400.001.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 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 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {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 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/5252//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5252//console

This message is automatically generated.

> DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT constant is set to the wrong value
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-5400
>                 URL: https://issues.apache.org/jira/browse/HDFS-5400
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.2.1
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-5400.001.patch
>
>
> {{DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT}} is set to the wrong value.  It should
be set to {{dfs.client.mmap.cache.thread.runs.per.timeout}}, but instead it is set to {{dfs.client.mmap.cache.timeout.ms}}.
 The result is that mmap segments cached in the {{ClientMmapManager}} will take much longer
to timeout than they should.



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