From: Emmanuel Florac <eflorac@intellique.com>
To: "Stefan Bottelier | Sharper.nl" <stefan@sharper.nl>
Cc: xfs@oss.sgi.com
Subject: Re: Slow dir / Performance.
Date: Tue, 9 Dec 2014 12:46:50 +0100 [thread overview]
Message-ID: <20141209124650.3b0e3029@harpe.intellique.com> (raw)
In-Reply-To: <5486B222.4080404@sharper.nl>
Le Tue, 09 Dec 2014 09:26:10 +0100
"Stefan Bottelier | Sharper.nl" <stefan@sharper.nl> écrivait:
> But when we logging on the server, the first time we do a dir command
> on the home dir, its take a long time when we get feedback on the
> dir , the next time is fast when we do a dir.
> Now we have users on this systems and this problem give not good
> performance on sql and websites an e-mail we are running on the
> server.
>
I suspect that you're using slow, 7200 RPM drives in RAID-5 or RAID-6,
and you're IO bound. Equallogic arrays are notably slow. Easy to use,
cheap, and sloooow ("fast, good, cheap, choose two" as the saying go).
What is your drive/RAID configuration? Is the iSCSI link 1GigE or 10
GigE?
--
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Emmanuel Florac | Direction technique
| Intellique
| <eflorac@intellique.com>
| +33 1 78 94 84 02
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next prev parent reply other threads:[~2014-12-09 11:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-09 8:26 Slow dir / Performance Stefan Bottelier | Sharper.nl
2014-12-09 11:46 ` Emmanuel Florac [this message]
2014-12-10 17:56 ` Stan Hoeppner
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