Re: [Linux-ia64] NFS client performce

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2003-06-07 04:48:01
>>>>> On Fri, 6 Jun 2003 14:02:05 -0400 (EDT), Gary Molenkamp <gary@sharcnet.ca> said:

  Gary> Not sure if this is the appropriate place for this, but I'm
  Gary> hoping for the best :)

  Gary> I'm noticing terible NFS write performance on from Itanium2
  Gary> clients to any other arch server (other than ia64s) by orders
  Gary> of magnitude difference.

  Gary> #1.  - alpha linux or ia32 linux servers - ia64 (debian)
  Gary> client running iozone benchmark or simple dd - I get about
  Gary> 800kb/s max on writes, but every other NFS rpc is ok.

  Gary> #2.  - ia64 (debian) server - ia64 client running iozone
  Gary> benchmark or simple dd - I get about 50Mb/s average

  Gary> It taken a while to trace this to client writes, so i'm just
  Gary> asking if anyone else has (had - hopefully) this problem,
  Gary> before I go any further.

That's just our ploy to make sure you buy lots of ia64 servers!
(Just kidding... ;-)

Seriously though: clearly looks like a bug.  I don't have any
bandwidth to look into this at the moment.  Hopefully someone else
does?

	--david
Received on Fri Jun 06 11:49:35 2003

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