RHEL Kernel Performance Optimization, Characterization ... - Red Hat

RHEL3 /proc/sys/vm/numa_memory_allocator>numa=on(default)­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­Zone:Normal freepages: 10539 min: 1279 low: 17406 high: 25597Zone:Normal freepages: 10178 min: 1279 low: 17406 high: 25597Zone:Normal freepages: 10445 min: 1279 low: 17406 high: 25597Zone:Normal freepages:856165 min: 1279 low: 17342 high: 25501Swap cache: add 2633120, delete 2553093, find 1375365/1891330, race 0+0­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­>numa=off­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­Zone:Normal freepages:861136 min: 1279 low: 30950 high: 63065Swap cache: add 0, delete 0 find 0/0, race 0+0­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­>numa=on and /proc/sys/vm/numa_memory_allocator set to 1­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­Zone:Normal freepages: 17406 min: 1279 low: 17406 high: 25597Zone:Normal freepages: 17406 min: 1279 low: 17406 high: 25597Zone:Normal freepages: 17406 min: 1279 low: 17406 high: 25597Zone:Normal freepages:85739 min: 1279 low: 17342 high: 25501Swap cache: add 0, delete 0 find 0/0, race 0+0­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­