Re: heavy swapping, not sure why - Mailing list pgsql-general

From Lonni J Friedman
Subject Re: heavy swapping, not sure why
Date
Msg-id CAP=oouHmPDfSpjWXaHdz=p7xYHa8madXdHE9gY+VTtqqwNkCLQ@mail.gmail.com
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In response to Re: heavy swapping, not sure why  (John R Pierce <pierce@hogranch.com>)
Responses Re: heavy swapping, not sure why  (Merlin Moncure <mmoncure@gmail.com>)
List pgsql-general
On Tue, Aug 30, 2011 at 2:55 PM, John R Pierce <pierce@hogranch.com> wrote:
> On 08/30/11 12:18 PM, Tom Lane wrote:
>>>>
>>>>            total       used       free     shared    buffers     cached
>>>> >>  Mem:         56481      55486        995          0         15
>>>> >>  53298
>>>> >>  -/+ buffers/cache:       2172      54309
>>>> >>  Swap:         1099         18       1081
>>>
>>> >  This is totally uninteresting.
>>
>> Yeah.  You're going to need a whole lot more than 17MB of bloat before
>> it'll be possible to tell which process is at fault, given that the
>> expected process sizes are up to 10GB.
>
> indeed, its 100% normal for the linux virtual memory manager to write
> 'dirty' pages to the swapfile during idle time.

Sure, but it shouldn't grow indefinitely?

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