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List Archive: gentoo-performance
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To: gentoo-performance@g.o
From: Gyujin Park <gpark@...>
Subject: Re: swap?
Date: Sat, 31 Jul 2004 07:27:36 -0600
Yes, response in Apache, and vsFTP gets really slow until more memory frees out.
(Report from users and other admins while I was testing the system.)

Thanks,

Tom

On Fri Jul 30 20:42 , Colin Kingsley <ckingsley@...> sent:

>As far as I know, your system should be stable. The details of how
>much memory/swap is used at any given moment probably depends on your
>kernel, how much memory you have, etc.
>
>Do you have any actual evidence of the slow down you mentioned? the
>system should begin using swap when/if it needs to. it looks to me
>like you discovered the "free" command and are seeing problems where
>none exist.
>
>On Sat, 31 Jul 2004 03:53:58 +0200, lukas lukas@...> wrote:
>> On Saturday 31 July 2004 02:42, Gyujin Park wrote:
>> > Does this mean the system will be still stable with 99% memory usage?
>> > I mean, at some point it should turn into swap. The system reaches up
>> > to 99% physical memory usage with less than 3 MB of physical memory
>> > left.
>> 
>> "free" gives me the following outout on my workstation:
>> 
>>              total       used       free     shared    buffers     cached
>> Mem:       1550840    1308096     242744          0      94244     859148
>> -/+ buffers/cache:     354704    1196136
>> Swap:       522104      23868     498236
>> 
>> About 84% memory is used. But about 900MB are used for caching and
>> buffering, so in fact there are only about 346MB in "real use".
>> If your memory is 99% without buffers and cache, then there is
>> something wrong (but I don't know what).
>> Can you see a process that consumes that much memory when you are
>> calling "ps" or "top"?
>> What kind of kernel do you use?
>> 
>> cu
>> 
>> lukas
>> 
>> 
>>
>
>--
>gentoo-performance@g.o mailing list
>


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Replies:
Re: swap?
-- Colin Kingsley
Re: swap?
-- Bart Alewijnse
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Updated Jun 17, 2009

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