== sanity test 124b: lru resize (performance test) ================================================================================= 13:33:49 (1788802429)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 752 (time 1788802443.54 total 10.01 last 75.13)
 - open/close 1579 (time 1788802453.54 total 20.01 last 82.68)
 - open/close 2333 (time 1788802463.55 total 30.02 last 75.35)
 - open/close 3029 (time 1788802473.56 total 40.02 last 69.56)
 - open/close 3638 (time 1788802483.56 total 50.03 last 60.89)
 - open/close 4308 (time 1788802493.56 total 60.03 last 66.96)
 - open/close 4834 (time 1788802503.57 total 70.04 last 52.56)
 - open/close 5446 (time 1788802513.58 total 80.05 last 61.13)
 - open/close 6125 (time 1788802523.59 total 90.05 last 67.88)
 - open/close 6763 (time 1788802533.59 total 100.06 last 63.78)
 - open/close 7483 (time 1788802543.59 total 110.06 last 71.99)
total: 8000 open/close in 116.38 seconds: 68.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 200 seconds
lru_size = 400
 - unlinked 0 (time 1788802761 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 798 (time 1788802887.83 total 10.00 last 79.78)
 - open/close 1560 (time 1788802897.83 total 20.00 last 76.20)
 - open/close 2363 (time 1788802907.83 total 30.01 last 80.28)
 - open/close 3245 (time 1788802917.84 total 40.01 last 88.15)
 - open/close 4088 (time 1788802927.84 total 50.01 last 84.28)
 - open/close 4746 (time 1788802937.84 total 60.02 last 65.79)
 - open/close 5342 (time 1788802947.89 total 70.07 last 59.30)
 - open/close 5989 (time 1788802957.89 total 80.07 last 64.67)
 - open/close 6790 (time 1788802967.90 total 90.07 last 80.08)
 - open/close 7617 (time 1788802977.91 total 100.09 last 82.58)
total: 8000 open/close in 105.56 seconds: 75.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1788803117 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second