[HACKERS] Re[3]: [HACKERS] high io BUT huge amount of free memory

2013-04-24 Thread Миша Тюрин
typo if ( user cpu + io wait ) is ~140% then i have ~140GB free. 140% === 1400% if ~14 cores are busy then ~140GB is free 10GB per process hmmm... -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription:

[HACKERS] Re: [HACKERS] Re[3]: [HACKERS] high io BUT huge amount of free memory

2013-04-24 Thread Миша Тюрин
vm state root@avi-sql09:~# /sbin/sysctl -a|grep vm vm.overcommit_memory = 0 vm.panic_on_oom = 0 vm.oom_kill_allocating_task = 0 vm.oom_dump_tasks = 0 vm.overcommit_ratio = 50 vm.page-cluster = 3 vm.dirty_background_ratio = 10 vm.dirty_background_bytes = 0 vm.dirty_ratio = 20 vm.dirty_bytes = 0