Re: [PoC PATCH] Parallel dump to /dev/null

From: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Michael Banck <michael(dot)banck(at)credativ(dot)de>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: [PoC PATCH] Parallel dump to /dev/null
Date: 2018-02-02 10:25:41
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Michael, thanks for the patch!

> 2 февр. 2018 г., в 9:22, Michael Paquier <michael(dot)paquier(at)gmail(dot)com> написал(а):
> On Thu, Feb 01, 2018 at 02:24:46PM +0100, Michael Banck wrote:
>> dumping a database to /dev/null via pg_dump is (AFAIK) one recommended
>> way to check for corruption. However, dumping to /dev/null is currently
>> not supported in directory mode which makes it not possible to dump to
>> /dev/null in parallel.
> Do folks here think that speedups would be worth it?
I've seen backup verification via COPY TO to /dev/null in production. These copies were parallelized on the side of verification script.
Not sure this counts for feature or against it.

Best regards, Andrey Borodin.

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