Re: O_DIRECT for relations and SLRUs (Prototype)

From: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Kevin Grittner <kgrittn(at)gmail(dot)com>
Subject: Re: O_DIRECT for relations and SLRUs (Prototype)
Date: 2019-01-12 16:13:20
Message-ID: 0DF2193F-173A-4390-8081-E46BFAB3778E@yandex-team.ru
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Hi!

> 12 янв. 2019 г., в 9:46, Michael Paquier <michael(at)paquier(dot)xyz> написал(а):
>
> Attached is a toy patch that I have begun using for tests in this
> area. That's nothing really serious at this stage, but you can use
> that if you would like to see the impact of O_DIRECT. Of course,
> things get significantly slower.

Cool!
I've just gathered a group of students to task them with experimenting with shared buffer eviction algorithms during their February internship at Yandex-Sirius edu project. Your patch seems very handy for benchmarks in this area.

Thanks!

Best regards, Andrey Borodin.

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