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From: John Naylor <[email protected]>
To: Jim Nasby <[email protected]>
Cc: Masahiko Sawada <[email protected]>
Cc: Melanie Plageman <[email protected]>
Cc: Pg Hackers <[email protected]>
Cc: Andres Freund <[email protected]>
Subject: Re: Should vacuum process config file reload more often
Date: Thu, 9 Mar 2023 14:47:19 +0700
Message-ID: <CAFBsxsGLDxNus6=8LiQihrjvOrZuu7JdpC3ykDk2vzciTU6m+A@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
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On Thu, Mar 9, 2023 at 12:42 AM Jim Nasby <[email protected]> wrote:
>
> Doesn't the dead tuple space grow as needed? Last I looked we don't
allocate up to 1GB right off the bat.

Incorrect.

> Of course, if the patch that eliminates the 1GB vacuum limit gets
committed the situation will be even worse.

If you're referring to the proposed tid store, I'd be interested in seeing
a reproducible test case with a m_w_m over 1GB where it makes things worse
than the current state of affairs.

--
John Naylor
EDB: http://www.enterprisedb.com


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