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From "Pete Wyckoff (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3805) improve fuse-dfs write performance which is 33% slower than hadoop dfs -copyFromLocal
Date Fri, 01 Aug 2008 16:36:32 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pete Wyckoff updated HADOOP-3805:
---------------------------------

    Attachment: hadoop-3805.txt

I made -obig_writes opt in so it wouldn't cause a backwards compat problem. I also #ifdef
the actual use of the flag because it's only supported in fuse 2.8.0 + and 2.7.4 is the current
stable release.


> 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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