| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Michael Paquier <michael(at)paquier(dot)xyz>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Parallel vacuum workers prevent the oldest xmin from advancing |
| Date: | 2021-11-17 11:27:42 |
| Message-ID: | CAA4eK1KBKtaJRWTi0Od_DEHP5D4mUd_ZOiF7U-ceZkkeRW52Bw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Nov 17, 2021 at 1:06 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Tue, Nov 16, 2021 at 8:45 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> The patch looks good to me. But I can't come up with a stable test for
> this. It seems to be hard without stopping and resuming parallel
> vacuum workers. Do you have any good idea?
>
No, let's wait for a day or so to see if anybody else has any ideas to
write a test for this case, otherwise, I'll check these once again and
push.
--
With Regards,
Amit Kapila.
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