Re: Huge backend memory footprint

From: Andres Freund <andres(at)anarazel(dot)de>
To: Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Huge backend memory footprint
Date: 2017-12-22 13:21:02
Message-ID: 20171222132102.egeawa3sszrtazv2@alap3.anarazel.de
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Hi,

On 2017-12-22 16:07:23 +0300, Konstantin Knizhnik wrote:
> While my experiments with pthreads version of Postgres I find out that I can
> not create more than 100k backends even at the system with 4Tb of RAM.

I don't think this is a problem we need to address at this point. Would
you care to argue otherwise?

For now we've so much more relevant limitations, e.g. the O(N)
complexity of computing a snapshot, that I think addressing these
concerns is a waste of time at this point.

Greetings,

Andres Freund

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