== sanity test 124b: lru resize (performance test) ================================================================================= 06:12:16 (1789553536)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1027 (time 1789553549.67 total 10.01 last 102.63)
 - open/close 2041 (time 1789553559.67 total 20.01 last 101.40)
 - open/close 3017 (time 1789553569.67 total 30.01 last 97.54)
 - open/close 4070 (time 1789553579.68 total 40.02 last 105.19)
 - open/close 5041 (time 1789553589.69 total 50.03 last 97.05)
 - open/close 6007 (time 1789553599.69 total 60.03 last 96.54)
 - open/close 6946 (time 1789553609.70 total 70.04 last 93.85)
 - open/close 7882 (time 1789553619.71 total 80.05 last 93.49)
total: 8000 open/close in 81.33 seconds: 98.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 400
400
 - unlinked 0 (time 1789553723 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2080 (time 1789553783.68 total 10.00 last 207.95)
 - open/close 4579 (time 1789553793.68 total 20.00 last 249.87)
 - open/close 6737 (time 1789553803.70 total 30.02 last 215.48)
total: 8000 open/close in 36.07 seconds: 221.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 4006
4001
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1789553865 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second