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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bert <biertie@gmail.com>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: slave restarts with kill -9 coming from somewhere, or nowhere
Date: Thu, 04 Apr 2013 02:17:58 -0400
Message-ID: <6146.1365056278@sss.pgh.pa.us> (raw)
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Bert <biertie@gmail.com> writes:
> These are my memory settings:
> work_mem = 4GB

> How is it possible that one connection (query) uses all the ram? And how
> can I avoid it?

Uh ... don't do the above.  work_mem is the allowed memory consumption
per query step, ie per hash or sort operation.  A complex query can
easily use multiples of work_mem.

			regards, tom lane


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