Re: Amazon High I/O instances

From: John R Pierce <pierce(at)hogranch(dot)com>
To: PostgreSQL <pgsql-general(at)postgresql(dot)org>
Subject: Re: Amazon High I/O instances
Date: 2012-09-13 05:29:45
Message-ID: 50516F49.5080404@hogranch.com
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On 09/12/12 10:01 PM, Sébastien Lorion wrote:
> pgbench initialization has been going on for almost 5 hours now and
> still stuck before vacuum starts .. something is definitely wrong as I
> don't remember it took so long first time I created the db....

pgbench initialization with a high scale factor, like the -s 10000 I
frequently use, does take quite a few hours. you need a large
maintenance_work_mem, or the create index phase will take a really long
time to index the 150GB worth of tables its created.

--
john r pierce N 37, W 122
santa cruz ca mid-left coast

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