Re: strange slow query - lost lot of time somewhere - Mailing list pgsql-hackers

From Pavel Stehule
Subject Re: strange slow query - lost lot of time somewhere
Date
Msg-id CAFj8pRDwhx0oarMKTQqFLPBfOk0aX0Zde7thm5LaacLEoiAh+g@mail.gmail.com
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In response to Re: strange slow query - lost lot of time somewhere  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: strange slow query - lost lot of time somewhere  (David Rowley <dgrowleyml@gmail.com>)
Re: strange slow query - lost lot of time somewhere  ("David G. Johnston" <david.g.johnston@gmail.com>)
List pgsql-hackers


út 3. 5. 2022 v 6:57 odesílatel Tom Lane <tgl@sss.pgh.pa.us> napsal:
Pavel Stehule <pavel.stehule@gmail.com> writes:
> there is really something strange (see attached file). Looks so this issue
> is much more related to planning time than execution time

You sure there's not something taking an exclusive lock on one of these
tables every so often?

I am almost sure, I can see this issue only every time when I set a higher work mem. I don't see this issue in other cases.

Regards

Pavel

 

                        regards, tom lane

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