Re: Use pg_pwritev_with_retry() instead of write() in dir_open_for_write() to avoid partial writes?

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Use pg_pwritev_with_retry() instead of write() in dir_open_for_write() to avoid partial writes?
Date: 2022-09-28 06:11:52
Message-ID: CA+hUKGKfmXvjNh_7=CA8T0dtojsx-Qd3md3eBMy0A1Cb0DZodg@mail.gmail.com
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On Wed, Sep 28, 2022 at 5:43 PM Bharath Rupireddy
<bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
> On Wed, Sep 28, 2022 at 12:32 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> > FWIW I doubt the OS itself will change released
> > behaviour like that, but I did complain about the straight-up
> > misleading documentation and they agreed and fixed it[1].
> >
> > [1] https://github.com/MicrosoftDocs/sdk-api/pull/1309
>
> Great! Is there any plan to request for change in WriteFile() to not
> alter file position?

Not from me. I stick to open source problems. Reporting bugs in
documentation is legitimate self defence, though.

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