From: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
---|---|
To: | Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com> |
Cc: | pgsql-admin <pgsql-admin(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Subject: | Re: vacuumdb idle processes |
Date: | 2021-06-15 20:20:39 |
Message-ID: | CAMkU=1x8Uv1TdXy_RFtAtjHoGB7suQRy0_BvDThrNwo3-Y8hOA@mail.gmail.com |
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Lists: | pgsql-admin |
On Sun, Jun 13, 2021 at 8:43 AM Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com>
wrote:
> Hi,
>
> I tested this scenario and it seems if vacuumdb is started with multiple
> jobs and one of the jobs doesn't complete due to a lock or whatever reason,
> other jobs will stay idle and don't release the connection until the stuck
> job is finished.
>
> For my understanding, why do we need this behaviour?
>
I don't think we **need** this behavior, it is just a simple way to wait
for each one to finish and then close it; waiting for each specific one in
the order it is present in the list. Is there an important reason we need
a more complex behavior, closing each one as soon as it becomes idle once
the work queue is empty?
Cheers,
Jeff
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