Florian Pflug <f...@phlo.org> Monday 20 of June 2011 17:07:55 > 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 I've just created 127TB mapping in Linux - maximum allowed by VM. Trying overcommit with 0,1,2.
Regards, Radek -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
