Re: 7.3.1 New install, large queries are slow
От
Stephan Szabo
Тема
Re: 7.3.1 New install, large queries are slow
Дата
Msg-id
20030115113159.F91182-100000@megazone23.bigpanda.com
Ответ на
7.3.1 New install, large queries are slow (Roman Fail)
Список
Дерево обсуждения
Re: 7.3.1 New install, large queries are slow "Roman Fail" <rfail@posportal.com>
On Wed, 15 Jan 2003, Roman Fail wrote: > The disks are not reading at max speed during the query - when I ran a > VACUUM ANALYZE (after data migration), sar -b was consistently 100,000 > block reads/sec. It does not seem like the hardware is holding back > things here. I read something about 'fsync' recently, would changing > that setting apply in this case? You ran vacuum analyze, but some of the explain still looks suspiciously like it's using default statistics (dr and cr for example, unless they really do have 1000 rows). What are the actual query and table definitions for the query?
В списке pgsql-performance по дате отправления