Re: bgwrite process is too lazy

From: Tony Wayne <anonymouslydark3(at)gmail(dot)com>
To: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: bgwrite process is too lazy
Date: 2024-10-02 15:02:02
Message-ID: CAAW5B8yE4DD+5fTE9jQff7k8qyMJ9MNGMJTyNQt_PcRdfCXq7Q@mail.gmail.com
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On Wed, Oct 2, 2024 at 8:14 PM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
wrote:

> On Wed, 2024-10-02 at 16:48 +0800, wenhui qiu wrote:
> > Whenever I check the checkpoint information in a log, most dirty pages
> are written by the checkpoint process
>
> That's exactly how it should be!
>
> is it because if bgwriter frequently flushes, the disk io will be more?🤔

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