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Re: checkpoint process use too much memory - Mailing list pgsql-admin

From Tom Lane
Subject Re: checkpoint process use too much memory
Date
Msg-id 736811.1595284465@sss.pgh.pa.us
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In response to Re: checkpoint process use too much memory  (jian xu <jamesxu@outlook.com>)
Responses Re: checkpoint process use too much memory
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jian xu <jamesxu@outlook.com> writes:
>       we are seeing this issue again, the checkpoint process is eating up all the memory,
> based on the htop, the checkpointer process has
> VIRT: 103G
> RES: 103G
> SHR: 4099M

hmmm ...

> my pg version is 10.3 ,

Really the *first* thing you ought to do is update to current (10.13)
and see if the problem is still there.  But if it is, maybe collecting
a memory context map in that process would be informative:

https://wiki.postgresql.org/wiki/Developer_FAQ#Examining_backend_memory_use

Note you may need a debug build for that recipe to work.

            regards, tom lane

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