Re: heavy swapping, not sure why

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От Scott Marlowe
Тема Re: heavy swapping, not sure why
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Msg-id CAOR=d=0eNpJUComaF054eya0untC5xrOCsrzzWRcSaiWhmS8uA@mail.gmail.com
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Ответ на Re: heavy swapping, not sure why  ("mark" <dvlhntr@gmail.com>)
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On Tue, Aug 30, 2011 at 8:36 PM, mark <dvlhntr@gmail.com> wrote:
>
> Scott,
> 1000 max connections ? I thought that was several times more than
> recommended these days, even for 24 or 48 core machines. Or am I living in
> the past ? (I admit that my most recent runs of pgbench showed that best
> throughput at around 250 backends from a 2 cpu VM which kind of surprised me
> for a synthetic load and all that)
>

It's definitely sub optimal, but we haven't had the time to test
pgbouncer or pgpool in staging.  luckily about 95% of those
connections are idle at any given time, and no queries do anything
that causes a thundering herd issue.

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