> On Sep 6, 2016, at 12:08 PM, Scott Marlowe <scott.marlowe@xxxxxxxxx> wrote: > > On Fri, Sep 2, 2016 at 9:38 PM, Pradeep <pgundala@xxxxxxxxxxxxxxxx> 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. > > It's far more likely that you've just got poorly written queries. I'd > make a post with explain analyze output etc. Here's a good resource > for reporting slow queries: > > https://wiki.postgresql.org/wiki/Slow_Query_Questions +1 Cheers, Steve -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
