== sanity test 124b: lru resize (performance test) ================================================================================= 07:33:31 (1788262411)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 696 (time 1788262425.93 total 10.01 last 69.55)
 - open/close 1416 (time 1788262435.94 total 20.02 last 71.88)
 - open/close 2217 (time 1788262445.95 total 30.03 last 80.08)
 - open/close 2994 (time 1788262455.95 total 40.03 last 77.68)
 - open/close 3753 (time 1788262465.95 total 50.03 last 75.89)
 - open/close 4539 (time 1788262475.96 total 60.04 last 78.54)
 - open/close 5190 (time 1788262485.97 total 70.05 last 65.03)
 - open/close 5759 (time 1788262495.99 total 80.07 last 56.78)
 - open/close 6318 (time 1788262505.99 total 90.07 last 55.89)
 - open/close 7102 (time 1788262515.99 total 100.07 last 78.38)
 - open/close 7892 (time 1788262526.00 total 110.08 last 78.97)
total: 8000 open/close in 111.43 seconds: 71.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1788262695 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 758 (time 1788262812.74 total 10.00 last 75.77)
 - open/close 1523 (time 1788262822.74 total 20.01 last 76.48)
 - open/close 2250 (time 1788262832.76 total 30.02 last 72.57)
 - open/close 2967 (time 1788262842.78 total 40.04 last 71.59)
 - open/close 3523 (time 1788262852.78 total 50.05 last 55.56)
 - open/close 4208 (time 1788262862.79 total 60.06 last 68.44)
 - open/close 5017 (time 1788262872.81 total 70.08 last 80.73)
 - open/close 5808 (time 1788262882.82 total 80.08 last 79.09)
 - open/close 6591 (time 1788262892.83 total 90.09 last 78.18)
 - open/close 7320 (time 1788262902.83 total 100.10 last 72.89)
total: 8000 open/close in 109.56 seconds: 73.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1788263009 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second