Re: NFS for millions of files

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On Wed, Sep 02, 2009 at 02:37:31PM -0400, Peter Staubach wrote:
> Please keep in mind that the NFS stable storage requirements are
> probably causing a significant slowdown in activities such as this.

My first thought too, but:

> Jason Legate wrote:
> > When I run our creation benchmark locally  I can get around 3000
> > files/ second in the configuration we're using now, but only around
> > 300/second over NFS.  It's mounted as this:
...
> > When I mount the same FS over localhost instead of across the lan,
> > it performs about full speed (the 3000/sec).

The localhost NFS mount would be incurring the same sync latency, so all
his latency must be due to network.  (And with those numbers I guess
he's either got lots of disk spindles, or an ssd, or (uh-oh) has the
async option set?)

--b.
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