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Re: Dramatic change in memory usage with version 9.1 - Mailing list pgsql-performance

From Craig Ringer
Subject Re: Dramatic change in memory usage with version 9.1
Date
Msg-id 4EF11EE6.6020203@ringerc.id.au
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In response to Dramatic change in memory usage with version 9.1  (Rafael Martinez <r.m.guerrero@usit.uio.no>)
Responses Re: Dramatic change in memory usage with version 9.1  (Rafael Martinez <r.m.guerrero@usit.uio.no>)
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On 19/12/2011 11:04 PM, Rafael Martinez wrote:
> Any ideas about why this dramatic change in memory usage when the only
> thing apparently changed from our side is the postgres version?
>
It'd be interesting to know how much of your workload operates with
SERIALIZABLE transactions, as the behavior of those has changed
significantly in 9.1  and they _are_ more expensive in RAM terms now.

--
Craig Ringer

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