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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3805) improve fuse-dfs write performance which is 33% slower than hadoop dfs -copyFromLocal
Date Wed, 06 Aug 2008 00:06:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620094#action_12620094
] 

Hadoop QA commented on HADOOP-3805:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12387356/hadoop-3805.txt
  against trunk revision 682978.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3004/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3004/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3004/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3004/console

This message is automatically generated.

> improve fuse-dfs write performance which is 33% slower than hadoop dfs -copyFromLocal
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3805
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3805
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/fuse-dfs
>            Reporter: Pete Wyckoff
>            Priority: Minor
>         Attachments: hadoop-3805.txt
>
>
> on hadoop17 running on the namenode/fuse mount point, fuse is 33% slower for writing
a 1GB file. I don't know right now how to improve this but thought I should open up a JIRA
for it.
> Note - this benchmark is with no tuning or special fuse config params.

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