Re: Increase Vacuum ring buffer.

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Sokolov Yura <funny(dot)falcon(at)postgrespro(dot)ru>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: Increase Vacuum ring buffer.
Date: 2017-07-20 16:22:05
Message-ID: CAGTBQpa_xNGgODe0adSsea4bE3nYR=wdFp+JrNnv6JAZvin+jg@mail.gmail.com
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On Thu, Jul 20, 2017 at 1:08 PM, Claudio Freire <klaussfreire(at)gmail(dot)com> wrote:
> So, the 64x increase may be justifiable in absolute terms: it's not
> unlikely that a 16MB buffer will be evicted from the OS cache before
> vacuum is done with it, even in heavily throttled vacuums.

Sorry, that should read "It's not *likely* that a 16MB buffer will be evicted"

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