== sanity test 124b: lru resize (performance test) ================================================================================= 23:31:59 (1789788719)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 774 (time 1789788734.30 total 10.00 last 77.37)
 - open/close 1470 (time 1789788744.30 total 20.01 last 69.57)
 - open/close 2358 (time 1789788754.31 total 30.02 last 88.72)
 - open/close 3202 (time 1789788764.33 total 40.03 last 84.25)
 - open/close 4075 (time 1789788774.33 total 50.04 last 87.28)
 - open/close 4945 (time 1789788784.34 total 60.04 last 86.93)
 - open/close 5866 (time 1789788794.35 total 70.05 last 92.00)
 - open/close 6710 (time 1789788804.36 total 80.06 last 84.33)
 - open/close 7428 (time 1789788814.37 total 90.07 last 71.75)
total: 8000 open/close in 97.24 seconds: 82.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 146 seconds
lru_size = 400
 - unlinked 0 (time 1789788979 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 885 (time 1789789094.69 total 10.01 last 88.43)
 - open/close 1549 (time 1789789104.69 total 20.01 last 66.39)
 - open/close 2311 (time 1789789114.69 total 30.01 last 76.20)
 - open/close 3217 (time 1789789124.70 total 40.02 last 90.51)
 - open/close 3946 (time 1789789134.71 total 50.03 last 72.84)
 - open/close 4857 (time 1789789144.71 total 60.03 last 91.08)
 - open/close 5917 (time 1789789154.71 total 70.03 last 106.00)
 - open/close 6740 (time 1789789164.72 total 80.03 last 82.27)
 - open/close 7578 (time 1789789174.73 total 90.04 last 83.72)
total: 8000 open/close in 95.14 seconds: 84.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 35% faster with lru resize enabled
 - unlinked 0 (time 1789789293 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second