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Hadoop >> mail # user >> FUSE HDFS significantly slower


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aniket ray 2010-10-26, 05:17
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Re: FUSE HDFS significantly slower
https://issues.apache.org/jira/browse/HADOOP-3805 tried to mitigate this
problem.

On Mon, Oct 25, 2010 at 10:17 PM, aniket ray <[EMAIL PROTECTED]> wrote:

> Hi,
>
> I'm seeing in my experiments that Fuse-HDFS is significantly slower (around
> 3x slower) than using the Java hdfs API directly.
> Wanted to ask if this slowness the norm? Or is there something wrong with
> my
> configuration.
> Also is this purely JNI slowness or is there something deeper to it?
>
>
> My experiment is basically opening a file in write mode and calling writes
> multiple times  (close to 5GB data) to write to that file.
>
> Thanks for the help,
> aniket ray
>
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Brian Bockelman 2010-10-26, 12:43
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Hazem Mahmoud 2010-10-26, 18:25
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Allen Wittenauer 2010-10-26, 18:36
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Brian Bockelman 2010-10-26, 20:42