Re: log_duration and \timing times repeatably much higher
От | Bruce Momjian |
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Тема | Re: log_duration and \timing times repeatably much higher |
Дата | |
Msg-id | 200310111602.h9BG2gN08641@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: log_duration and \timing times repeatably much higher (Alvaro Herrera <alvherre@dcc.uchile.cl>) |
Ответы |
Re: log_duration and \timing times repeatably much higher
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Список | pgsql-general |
Alvaro Herrera wrote: > On Sat, Oct 11, 2003 at 11:22:36AM -0400, Bruce Momjian wrote: > > Martijn van Oosterhout wrote: > > -- Start of PGP signed section. > > > Planning time? > > > > Uh, I thought the actual number reported by EXPLAIN ANALYZE includes > > parse/plan times, but now that you mention it, if it is timing things > > inside the executor, it might be just executor times. > > > > Looking at explain.c, it is only timing the executor part in > > ExplainOnePlan(). The planner() call is outside that loop, so it must > > be parse/plan, though that seems like a lot of time spent in that area. > > Could it be because of extremely large statistics settings for the > tables involved? Which large statistics? Does he more than the default number of statistics buckets? -- 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
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