From: Stephen Frost <sfrost@snowman.net>
To: Uwe Bartels <uwe.bartels@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: maintenance_work_mem + create index
Date: Thu, 24 Mar 2011 10:13:03 -0400
Message-ID: <20110324141303.GE4116@tamriel.snowman.net> (raw)
In-Reply-To: <AANLkTik1GzFrcAaYNPDxLgc7LFcfPK6wx0rEmtKgp2OO@mail.gmail.com>
References: <AANLkTik1GzFrcAaYNPDxLgc7LFcfPK6wx0rEmtKgp2OO@mail.gmail.com>
Uwe,
* Uwe Bartels (uwe.bartels@gmail.com) wrote:
> So I checked this again and raised afterwards maintenance_work_mem step by
> step up 64GB.
> I logged in via psql, run the following statements
> set maintenance_work_mem = '64GB';
I believe maintenance_work_mem suffers from the same problem that
work_mem has, specifically that PG still won't allocate more than
1GB of memory for any single operation.
Thanks,
Stephen
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To: pgsql-performance@postgresql.org
Cc: sfrost@snowman.net, uwe.bartels@gmail.com
Subject: Re: maintenance_work_mem + create index
In-Reply-To: <20110324141303.GE4116@tamriel.snowman.net>
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