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From Ted Dunning <tdunn...@veoh.com>
Subject Re: Performance impact of underlying file system?
Date Tue, 01 Apr 2008 15:41:27 GMT

I would expect that most file systems can saturate the disk bandwidth for
the large sequential reads that hadoop does.

We use ext3 with good results.

On 4/1/08 8:08 AM, "Colin Freas" <colinfreas@gmail.com> wrote:

> Is the performance of Hadoop impacted by the underlying file system on the
> nodes at all?
> All my nodes are ext3.  I'm wondering if using XFS, Reiser, or ZFS might
> improve performance.
> Does anyone have any offhand knowledge about this?
> -Colin

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