== sanity test 124b: lru resize (performance test) ================================================================================= 10:56:46 (1788620206)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 715 (time 1788620221.45 total 10.01 last 71.46)
 - open/close 1639 (time 1788620231.45 total 20.01 last 92.40)
 - open/close 2406 (time 1788620241.45 total 30.01 last 76.65)
 - open/close 3009 (time 1788620251.46 total 40.01 last 60.29)
 - open/close 3524 (time 1788620261.46 total 50.02 last 51.48)
 - open/close 4267 (time 1788620271.46 total 60.02 last 74.30)
 - open/close 4888 (time 1788620281.47 total 70.03 last 62.03)
 - open/close 5609 (time 1788620291.47 total 80.03 last 72.10)
 - open/close 6421 (time 1788620301.48 total 90.04 last 81.11)
 - open/close 7323 (time 1788620311.48 total 100.04 last 90.18)
total: 8000 open/close in 107.85 seconds: 74.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
 - unlinked 0 (time 1788620480 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second
 - open/close 733 (time 1788620583.79 total 10.01 last 73.22)
 - open/close 1467 (time 1788620593.80 total 20.02 last 73.31)
 - open/close 2188 (time 1788620603.80 total 30.02 last 72.10)
 - open/close 2942 (time 1788620613.81 total 40.03 last 75.37)
 - open/close 3780 (time 1788620623.82 total 50.04 last 83.67)
 - open/close 4638 (time 1788620633.82 total 60.04 last 85.79)
 - open/close 5470 (time 1788620643.83 total 70.05 last 83.18)
 - open/close 6332 (time 1788620653.83 total 80.05 last 86.16)
 - open/close 7180 (time 1788620663.84 total 90.06 last 84.75)
total: 8000 open/close in 99.70 seconds: 80.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788620774 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second