| From: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
|---|---|
| To: | Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Query running for very long time (server hanged) with parallel append |
| Date: | 2018-02-01 22:20:19 |
| Message-ID: | CAEepm=3CBcNEx7fbiAsuq-2deof2Uwa10bDVSmMmB9EpS4PTcA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Feb 1, 2018 at 11:29 PM, Rajkumar Raghuwanshi
<rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com> wrote:
> I am getting server hang kind of issue with the below postgres.conf setup.
> Issue may occur while running below query single/multiple times (random).
> Not getting terminal back even after cancelling query.
> explain output and query is given below.
Whatever logic bug might be causing the query to hang, it's not good
that we're unable to SIGINT/SIGTERM our way out of this state. See
also this other bug report for a known problem (already fixed but not
yet released), but which came with an extra complaint, as yet
unexplained, that the query couldn't be interrupted:
--
Thomas Munro
http://www.enterprisedb.com
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