From: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
---|---|
To: | Magnus Hagander <magnus(at)hagander(dot)net> |
Cc: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, "Hou, Zhijie" <houzj(dot)fnst(at)cn(dot)fujitsu(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Muhammad Usama <m(dot)usama(at)gmail(dot)com> |
Subject: | Re: A new function to wait for the backend exit after termination |
Date: | 2021-03-17 01:31:39 |
Message-ID: | CALj2ACX3k7LetH66e=RWH8x9HqmXemFYFAqR1kTJgKMUcqwV4w@mail.gmail.com |
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On Tue, Mar 16, 2021 at 9:48 PM Magnus Hagander <magnus(at)hagander(dot)net> wrote:
> Does it really make sense that pg_wait_for_backend_termination()
> defaults to waiting *100 milliseconds*, and then logs a warning? That
> seems extremely short if I'm explicitly asking it to wait.
I increased the default wait timeout to 5seconds.
> Wait events should be in alphabetical order in pgstat_get_wait_ipc()
> as well, not just in the header (which was adjusted per Fujii's
> comment)
Done.
>
> + (errmsg("could not wait for the termination of
> the backend with PID %d within %lld milliseconds",
>
> That's not true though? The wait succeeded, it just timed out? Isn't
> itm ore like "backend with PID %d did not terminate within %lld
> milliseconds"?
Looks better. Done.
Attaching v10 patch for further review.
With Regards,
Bharath Rupireddy.
EnterpriseDB: http://www.enterprisedb.com
Attachment | Content-Type | Size |
---|---|---|
v10-0001-pg_terminate_backend-with-wait-and-timeout.patch | application/octet-stream | 12.5 KB |
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