Re: PostgreSQL performance issues
От | Willo van der Merwe |
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Тема | Re: PostgreSQL performance issues |
Дата | |
Msg-id | 44F56649.9050604@studentvillage.co.za обсуждение исходный текст |
Ответ на | Re: PostgreSQL performance issues ("Merlin Moncure" <mmoncure@gmail.com>) |
Ответы |
Re: PostgreSQL performance issues
Re: PostgreSQL performance issues |
Список | pgsql-performance |
Merlin Moncure wrote: > On 8/29/06, Willo van der Merwe <willo@studentvillage.co.za> wrote: > >> and it has 743321 rows and a explain analyze select count(*) from >> property_values; >> > > you have a number of options: All good ideas and I'll be sure to implement them later. > I am curious why you need to query the count of records in the log > table to six digits of precision. I'm not with you you here. I'm drawing statistic for the my users on a per user basis in real-time, so there are a couple of where clauses attached. > > merlin > Hi Merlin, This was just an example. All queries have slowed down. Could it be that I've reached some cut-off and now my disk is thrashing? Currently the load looks like this: Cpu0 : 96.8% us, 1.9% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 1.0% si Cpu1 : 97.8% us, 1.6% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 0.3% si Cpu2 : 96.8% us, 2.6% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 0.3% si Cpu3 : 96.2% us, 3.2% sy, 0.0% ni, 0.3% id, 0.0% wa, 0.0% hi, 0.3% si
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