== sanity test 124b: lru resize (performance test) ================================================================================= 03:52:33 (1789026753)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 660 (time 1789026767.75 total 10.01 last 65.96)
 - open/close 1289 (time 1789026777.76 total 20.01 last 62.86)
 - open/close 2148 (time 1789026787.77 total 30.02 last 85.82)
 - open/close 2958 (time 1789026797.78 total 40.03 last 80.91)
 - open/close 3754 (time 1789026807.80 total 50.05 last 79.44)
 - open/close 4420 (time 1789026817.81 total 60.07 last 66.51)
 - open/close 5171 (time 1789026827.84 total 70.09 last 74.94)
 - open/close 5973 (time 1789026837.84 total 80.09 last 80.14)
 - open/close 6669 (time 1789026847.85 total 90.10 last 69.55)
 - open/close 7427 (time 1789026857.85 total 100.11 last 75.76)
total: 8000 open/close in 108.70 seconds: 73.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 166 seconds
lru_size = 400
 - unlinked 0 (time 1789027043 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 770 (time 1789027170.61 total 10.01 last 76.93)
 - open/close 1581 (time 1789027180.63 total 20.02 last 80.97)
 - open/close 2354 (time 1789027190.64 total 30.04 last 77.20)
 - open/close 3149 (time 1789027200.65 total 40.05 last 79.41)
 - open/close 3971 (time 1789027210.66 total 50.06 last 82.11)
 - open/close 4846 (time 1789027220.67 total 60.07 last 87.45)
 - open/close 5485 (time 1789027230.68 total 70.08 last 63.84)
 - open/close 6117 (time 1789027240.70 total 80.09 last 63.08)
 - open/close 6748 (time 1789027250.70 total 90.10 last 63.06)
 - open/close 7394 (time 1789027260.71 total 100.11 last 64.56)
total: 8000 open/close in 110.11 seconds: 72.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1789027387 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second