Re: Caching by Postgres
От
Michael Stone
Тема
Re: Caching by Postgres
Дата
Msg-id
20050823202932.GK8667@mathom.us
Ответ на
Re: Caching by Postgres (Josh Berkus)
Список
Дерево обсуждения
Re: Caching by Postgres Chris Browne <cbbrowne@acm.org>
On Tue, Aug 23, 2005 at 12:38:04PM -0700, Josh Berkus wrote: >which have a clear and measurable effect on performance and are fixable >without bloating the PG code. Some of these issues (COPY path, context >switching Does that include increasing the size of read/write blocks? I've noticed that with a large enough table it takes a while to do a sequential scan, even if it's cached; I wonder if the fact that it takes a million read(2) calls to get through an 8G table is part of that. Mike Stone
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