== sanity test 124b: lru resize (performance test) ================================================================================= 02:39:53 (1788849593)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 776 (time 1788849607.50 total 10.00 last 77.59)
 - open/close 1563 (time 1788849617.50 total 20.01 last 78.67)
 - open/close 2346 (time 1788849627.51 total 30.01 last 78.26)
 - open/close 3177 (time 1788849637.51 total 40.01 last 83.07)
 - open/close 3974 (time 1788849647.52 total 50.02 last 79.62)
 - open/close 4744 (time 1788849657.54 total 60.05 last 76.83)
 - open/close 5551 (time 1788849667.55 total 70.06 last 80.62)
 - open/close 6316 (time 1788849677.56 total 80.06 last 76.44)
 - open/close 7114 (time 1788849687.57 total 90.07 last 79.73)
 - open/close 7951 (time 1788849697.57 total 100.08 last 83.65)
total: 8000 open/close in 100.72 seconds: 79.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 129 seconds
lru_size = 400
 - unlinked 0 (time 1788849834 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second
 - open/close 814 (time 1788849935.97 total 10.00 last 81.38)
 - open/close 1659 (time 1788849945.97 total 20.01 last 84.44)
 - open/close 2567 (time 1788849955.98 total 30.01 last 90.77)
 - open/close 3488 (time 1788849965.99 total 40.02 last 92.01)
 - open/close 4431 (time 1788849975.99 total 50.03 last 94.24)
 - open/close 5231 (time 1788849986.00 total 60.04 last 79.93)
 - open/close 6040 (time 1788849996.01 total 70.04 last 80.84)
 - open/close 6958 (time 1788850006.01 total 80.05 last 91.79)
 - open/close 7878 (time 1788850016.02 total 90.05 last 91.94)
total: 8000 open/close in 91.61 seconds: 87.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788850092 ; total 0 ; last 0)
total: 8000 unlinks in 49 seconds: 163.265305 unlinks/second