Re: [PATCH] pg_dump: lock tables in batches

From: Andres Freund <andres(at)anarazel(dot)de>
To: Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: [PATCH] pg_dump: lock tables in batches
Date: 2022-12-07 21:32:42
Message-ID: 20221207213242.muei2rkds3ybngaf@awork3.anarazel.de
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Hi,

On 2022-12-07 18:14:01 -0300, Fabrízio de Royes Mello wrote:
> Here we have some numbers about the Aleksander's patch:

Hm. Were they taken in an assertion enabled build or such? Just testing the
t10000 case on HEAD, I get 0:01.23 elapsed for an unpatched pg_dump in an
optimized build. And that's on a machine with not all that fast cores.

Greetings,

Andres Freund

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