On Mon, 7 May 2012, Robert Święcki wrote: > Yup (btw: I attached dump of some proc files and some debug commands > in the original e-mail - can be found here > http://marc.info/?l=linux-kernel&m=133640623421007&w=2 in case some > MTA removed them) > > CommitLimit: 1981528 kB > Committed_AS: 1916788 kB > > just not sure if Committed_AS should present this kind of value. Did I > just hit a legitimate condition, or may it suggest a bug? I'm a bit > puzzled cause This is a legitimate condition. No bug. > > root@ise-test:/proc# grep Mem /proc/meminfo > MemTotal: 3963060 kB > MemFree: 3098324 kB Physical memory is free in quantity but virtual memory is exhausted. > Also, some sysctl values: > vm.overcommit_memory = 2 > vm.overcommit_ratio = 50 Setting overcommit memory to 2 means that the app is strictly policed for staying within bounds on virtual memory. Dont do that. See linux source linux/Documentation/vm/overcommit-accounting for more details.