Re: Postgresql 9.1.2 - abnormal memory usage

From: Jochen Erwied <jochen(at)pgsql-bugs(dot)erwied(dot)eu>
To: pgsql-bugs(at)postgresql(dot)org
Subject: Re: Postgresql 9.1.2 - abnormal memory usage
Date: 2011-12-12 11:50:22
Message-ID: 7810315863.20111212125022@erwied.eu
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Monday, December 12, 2011, 12:33:03 PM you wrote:

> On 12.12.2011 13:16, Matteo Beccati wrote:

>> Just to clarify, am I correct assuming that the issue does not affect
>> tables which have non-indexed inet fields?

> Hmm, I think it might also affect queries that do large merge joins on
> inet fields. Not sure about that. In any case, it's a memory leak that
> gets cleared at the end of statement, so it can only become a problem
> when dealing with large data sets.

The second test case I originally sent uses inet-functions in a complicated
query, and it also shows the described behaviour.

So the problem is not limited to indexes, but also will appear in queries!

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