== sanity test 124b: lru resize (performance test) ================================================================================= 23:44:02 (1772685842)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3633 (time 1772685854.36 total 10.00 last 363.17)
 - open/close 5957 (time 1772685864.37 total 20.01 last 232.36)
total: 8000 open/close in 28.50 seconds: 280.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
 - unlinked 0 (time 1772685972 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second
 - open/close 2372 (time 1772686000.88 total 10.00 last 237.13)
 - open/close 5123 (time 1772686010.89 total 20.01 last 274.98)
total: 8000 open/close in 27.46 seconds: 291.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1772686075 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second