Re: Problems with hash join over nested loop

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От Jim Nasby
Тема Re: Problems with hash join over nested loop
Дата
Msg-id 527187ED.1000907@enova.com
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Ответ на Re: Problems with hash join over nested loop  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Problems with hash join over nested loop  (Jim Nasby <jnasby@enova.com>)
Список pgsql-performance
On 10/29/13 3:36 PM, Tom Lane wrote:
> Jim Nasby <jnasby@enova.com> writes:
>> Is there a way to measure memory consumption during planning, short of something like strace? (I've got no dev tools
availableon our servers.) 
>
> Nothing built-in, I'm pretty sure.  You could probably add some
> instrumentation, but that would require running modified executables ...

FYI, client_min_messages = debug5 and log_planner_stats = on is useful, though I wish it included ru_maxrss (see
http://www.gnu.org/software/libc/manual/html_node/Resource-Usage.html).
--
Jim Nasby, Lead Data Architect   (512) 569-9461


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