== sanity test 124b: lru resize (performance test) ================================================================================= 01:50:19 (1787377819)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 826 (time 1787377834.01 total 10.00 last 82.59)
 - open/close 1672 (time 1787377844.02 total 20.01 last 84.55)
 - open/close 2448 (time 1787377854.03 total 30.01 last 77.54)
 - open/close 3228 (time 1787377864.03 total 40.02 last 77.96)
 - open/close 4067 (time 1787377874.04 total 50.02 last 83.88)
 - open/close 4887 (time 1787377884.05 total 60.03 last 81.92)
 - open/close 5648 (time 1787377894.05 total 70.04 last 76.05)
 - open/close 6445 (time 1787377904.07 total 80.05 last 79.57)
 - open/close 7227 (time 1787377914.07 total 90.06 last 78.15)
total: 8000 open/close in 99.83 seconds: 80.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
 - unlinked 0 (time 1787378084 ; total 0 ; last 0)
total: 8000 unlinks in 98 seconds: 81.632652 unlinks/second
 - open/close 849 (time 1787378197.13 total 10.01 last 84.85)
 - open/close 1607 (time 1787378207.14 total 20.02 last 75.68)
 - open/close 2406 (time 1787378217.17 total 30.05 last 79.72)
 - open/close 3267 (time 1787378227.17 total 40.05 last 86.05)
 - open/close 4111 (time 1787378237.20 total 50.08 last 84.14)
 - open/close 4907 (time 1787378247.21 total 60.08 last 79.59)
 - open/close 5701 (time 1787378257.22 total 70.10 last 79.26)
 - open/close 6562 (time 1787378267.23 total 80.10 last 86.08)
 - open/close 7373 (time 1787378277.24 total 90.11 last 81.02)
total: 8000 open/close in 97.99 seconds: 81.64 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 1787378383 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second