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...
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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
