From: | MichaelDBA <MichaelDBA(at)sqlexec(dot)com> |
---|---|
To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | Wells Oliver <wells(dot)oliver(at)gmail(dot)com>, pgsql-admin <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: CTEs and temp_buffers? |
Date: | 2022-04-26 17:59:02 |
Message-ID: | 8c199e78-5320-5ea9-9c08-4d33da68e941@sqlexec.com |
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Lists: | pgsql-admin |
Hmmm, I think you may be wrong about that one, Bruce. I tried that
before and log_temp_files seems to only log work_mem errors, not
temp_buffers associated with temporary table allocations. The only way
to see temp files used by temporary tables is to monitor the
*<datadir>/base/pgsql_tmp*directory, and that can be quite tricky since
it happens so fast there.
Regards,
Michael Vitale
Bruce Momjian wrote on 4/26/2022 1:48 PM:
> On Tue, Apr 26, 2022 at 10:08:31AM -0700, Wells Oliver wrote:
>> Out of curiosity, does the value of temp_buffers apply to how CTEs are
>> generated under the hood?
> To see temp file usage, you can enable log_temp_files, and check the
> server logs or enable client_min_messages.
>
Regards,
Michael Vitale, Sr. PostgreSQL DBA
Michaeldba(at)sqlexec(dot)com <mailto:michaelvitale(at)sqlexec(dot)com>
703-600-9343
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