Re: max_connections proposal

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Cc: "List, Postgres" <pgsql-general(at)postgresql(dot)org>
Subject: Re: max_connections proposal
Date: 2011-05-26 13:48:44
Message-ID: 13391.1306417724@sss.pgh.pa.us
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Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> writes:
> max_connections = 100 # (change requires restart)
> # WARNING: If you're about to increase max_connections above 100, you
> # should probably be using a connection pool instead. See:
> # http://wiki.postgresql.org/max_connections

This gives the impression that performance is great at 100 and falls off
a cliff at 101, which is both incorrect and likely to lower peoples'
opinion of the software. I'd suggest wording more like "if you're
considering raising max_connections into the thousands, you should
probably use a connection pool instead". And I agree with Merlin that a
wiki pointer is inappropriate.

regards, tom lane

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