Re: Needs Suggestion
От | Andreas Kretschmer |
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Тема | Re: Needs Suggestion |
Дата | |
Msg-id | 20110504063912.GA13636@tux обсуждение исходный текст |
Ответ на | Needs Suggestion (SUBHAM ROY <subham.iem@gmail.com>) |
Ответы |
Re: Needs Suggestion
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Список | pgsql-general |
SUBHAM ROY <subham.iem@gmail.com> wrote: > My output of explain (analyze,buffers) is something like this: > > shared hit=3796624 read=46038 > > So what is meant by read here? Does it indicates number of disk reads? > > Does shared hit takes into account only the hit in the pg_buffercache of the > postgres or it also takes into account the linux buffers that postgres uses? shared hit: read from shared mem shared read: read from disk into shared mem Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
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