Memory use

[iso-8859-1] José Angel Blanco González jose at TREELOGIC.COM
Thu Nov 17 08:06:01 GMT 2005


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I think maybe pop problem, but pop is necessary. Yes, we have some huge 
mailboxes. I thought that the problem was with MAilScanner because of 
swapping. Is there any solution for huge mailboxes??

Thank you
Jose

----- Original Message ----- 
From: "Glenn Steen" <glenn.steen at GMAIL.COM>
To: <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Thursday, November 17, 2005 12:57 AM
Subject: Re: Memory use


> On 16/11/05, José Angel Blanco González <jose at treelogic.com> wrote:
>> In vmstat, si is always 0, so it is not using swap I suppose. The 
>> computer
>> is a mail server with 500 mail accounts, maybe ipopd  or imapd the bug??
>>
> How did you determine that MailScanner dropped in performance? Exactly
> what characteristic are you seeing a problem with?
>
> You'll have to run the vmstat for a bit to be sure there really is no
> swapping, and perhaps look into the sar command (think it's part of
> the sysstat rpm or something similar.... I ditched my last RH9 the day
> after the desupport notice.... (a while back:-), so my recollections
> of exact package details is faint, to say the least...)
> sar will help you (together with top) to determine if you have unusual
> CPU load, which might be an indicator.... For IO, find and use iostat
> in a similar way as you use vmstat.
>
> Until you have some facts, it's way to soon to start assigning blame
> to individual systems/processes:-).
>
> --
> -- Glenn
> email: glenn < dot > steen < at > gmail < dot > com
> work: glenn < dot > steen < at > ap1 < dot > se
>
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