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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5810) Unify mmap cache and short-circuit file descriptor cache
Date Tue, 04 Feb 2014 05:48:08 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13890414#comment-13890414
] 

Hadoop QA commented on HDFS-5810:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12626809/HDFS-5810.015.patch
  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 12 new or modified
test files.

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

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 2 warning messages.

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

    {color:red}-1 findbugs{color}.  The patch appears to introduce 1 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:red}-1 core tests{color}.  The following test timeouts occurred in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs:

org.apache.hadoop.http.TestHttpServer

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6019//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/6019//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6019//console

This message is automatically generated.

> Unify mmap cache and short-circuit file descriptor cache
> --------------------------------------------------------
>
>                 Key: HDFS-5810
>                 URL: https://issues.apache.org/jira/browse/HDFS-5810
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>    Affects Versions: 2.3.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-5810.001.patch, HDFS-5810.004.patch, HDFS-5810.006.patch, HDFS-5810.008.patch,
HDFS-5810.015.patch
>
>
> We should unify the client mmap cache and the client file descriptor cache.  Since mmaps
are granted corresponding to file descriptors in the cache (currently FileInputStreamCache),
they have to be tracked together to do "smarter" things like HDFS-5182.



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