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Re: Slow dir / Performance.

To: "Stefan Bottelier | Sharper.nl" <stefan@xxxxxxxxxx>
Subject: Re: Slow dir / Performance.
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Tue, 9 Dec 2014 12:46:50 +0100
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <5486B222.4080404@xxxxxxxxxx>
Organization: Intellique
References: <5486B222.4080404@xxxxxxxxxx>
Le Tue, 09 Dec 2014 09:26:10 +0100
"Stefan Bottelier | Sharper.nl" <stefan@xxxxxxxxxx> Ãcrivait:

> 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

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                    |   Intellique
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