Re: WIP parallel restore patch

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WIP parallel restore patch
Date: 2008-11-05 15:19:02
Message-ID: 4911B966.3090509@dunslane.net
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Stefan Kaltenbrunner wrote:
> Andrew Dunstan wrote:
>>
>> Attached is my latest parallel restore patch. I think it's
>> functionally complete for Unix.
>>
>> Many bugs have been fixed since the last patch, and the hardcoded
>> limitation to two table dependencies is removed. It seems fairly
>> robust in my recent testing.
>
> this version seems to be working much better on my test setup.
> This patch results in a fairly nice improvment from ~170min (-m 1
> --truncate-before-load) to ~39min (-m 16 --truncate-before-load) on my
> 8 core test box using a 70GB (uncompressed) dump consisting of 709
> tables.
>
>
>

Great. Thanks for the report.

cheers

andrew

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