Re: fix log_min_duration_statement logic error
От | Bruce Momjian |
---|---|
Тема | Re: fix log_min_duration_statement logic error |
Дата | |
Msg-id | 200310071656.h97GuZk20298@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: fix log_min_duration_statement logic error (Peter Eisentraut <peter_e@gmx.net>) |
Ответы |
Re: fix log_min_duration_statement logic error
|
Список | pgsql-patches |
Peter Eisentraut wrote: > Bruce Momjian writes: > > > Another idea if you like consistency would be: > > > > LOG: duration: 4.056 ms query: select * \nfrom pg_language; > > Speaking of consistency... > > Imagine someone always having log_statement on and doing some sort of > aggregate query counting, say like grep '^LOG: query:' | wc -l. Now that > someone (or maybe the admin on the night shift, to make it more dramatic) > also turns on log_min_statement_duration (or whatever it's spelled), say > to find the slowest queries: grep '^LOG: duration:' | sort -xyz | head > -10. In order to guarantee the consistency of both results, you'd have to > log each query twice in this case. I guess. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
В списке pgsql-patches по дате отправления: