Hi, On 2015-03-04 14:05:09 +0400, Alexander Shutyaev wrote: > Thanks for the answer. Now, given this info I've calculated that our > postgresql should occupy approx. 30,53 GB while the server has 125 GB of > RAM. However we often see in top that there is very little free memory and > even swap is used. What could be the reason of postgres using so much > memory? Presumably it's used by the OS to cache IO? Are you investigating an actual problem with memory consumption or just wondering? Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
