Re: GiST VACUUM

From: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Костя Кузнецов <chapaev28(at)ya(dot)ru>
Subject: Re: GiST VACUUM
Date: 2018-07-23 18:04:57
Message-ID: 651572F0-65C3-4285-85FC-50E81B1199F1@yandex-team.ru
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Hi!

> 21 июля 2018 г., в 17:11, Andrey Borodin <x4mmm(at)yandex-team(dot)ru> написал(а):
>
> <0001-Physical-GiST-scan-in-VACUUM-v13.patch>

Just in case, here's second part of patch series with actual page deletion.

I was considering further decreasing memory footprint by using bloom filters instead of bitmap, but it will create seriously more work for cpu to compute hashes.

Best regards, Andrey Borodin.

Attachment Content-Type Size
0002-Delete-pages-during-GiST-VACUUM-v13.patch application/octet-stream 22.2 KB
0001-Physical-GiST-scan-in-VACUUM-v13.patch application/octet-stream 17.8 KB

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