Re: what's going on here?
От | Stephan Szabo |
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Тема | Re: what's going on here? |
Дата | |
Msg-id | Pine.BSF.4.21.0103091232410.81537-100000@megazone23.bigpanda.com обсуждение исходный текст |
Ответ на | Re: what's going on here? (Ben <bench@silentmedia.com>) |
Ответы |
Re: what's going on here?
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Список | pgsql-general |
Hmm, I also notice that it's getting very different numbers for rows from files as well. On Fri, 9 Mar 2001, Ben wrote: > Every night. There are 6223 rows with stream=2 and 7041 rows with > stream=1. At any given time, there will be between 1 to 30 rows with > played=null for both values. > > On Fri, 9 Mar 2001, Stephan Szabo wrote: > > > > > Has vacuum analyze been run on both recently? What is the maximum number > > of rows with a particular stream value, and how many does each of 1 and 2 > > actually have? > > > > > Interestingly, the sequential scan on playlist claims to be returning 2000 > > > results for stream=1 and only 200 for stream=2. I'm not sure which part of > > > the where clause this guess comes from, because the playlist table has > > > equal numbers of entries for both streams.
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