On Jun20, 2011, at 17:05 , Radosław Smogura wrote: > I'm sure at 99%. When I ware "playing" with mmap I preallocated, probably, > about 100GB of memory.
You need to set vm.overcommit_memory to "2" to see the difference. Did you do that? You can do that either with "echo 2 > /proc/sys/vm/overcommit_memory" or by editing /etc/sysctl.conf and issuing "sysctl -p". best regards, Florian Pflug -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
