Re: PostgreSQL Database performance
От | Scott Marlowe |
---|---|
Тема | Re: PostgreSQL Database performance |
Дата | |
Msg-id | CAOR=d=0+CN4q-c3aVTik1Ljn+MOUJyNaBVZxUZMf+sHq5Kojag@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: PostgreSQL Database performance (Steve Atkins <steve@blighty.com>) |
Список | pgsql-general |
On Tue, Sep 6, 2016 at 1:18 PM, Steve Atkins <steve@blighty.com> wrote: > >> On Sep 6, 2016, at 12:08 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote: >> >> On Fri, Sep 2, 2016 at 9:38 PM, Pradeep <pgundala@avineonindia.com> wrote: >>> >>> max_connections = 100 >>> shared_buffers = 512MB >>> effective_cache_size = 24GB >>> work_mem = 110100kB >> >> This is WAY too high for work_mem. Work_mem is how much memory a >> single sort can grab at once. Each query may run > 1 sort, and you >> could have 100 queries running at once. >> >> This setting is 110GB. That's about 109.9GB too high for safety. When >> things go wrong with this too big, they go very wrong, sending the >> machine into a swap storm from which it may not return. > > It's an oddly spelled 110MB, which doesn't seem unreasonable. oh yeah. still kind biggish but not as big as I had thought.
В списке pgsql-general по дате отправления: