== sanity test 124b: lru resize (performance test) ================================================================================= 06:41:01 (1788950461)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 842 (time 1788950475.35 total 10.01 last 84.14)
 - open/close 1707 (time 1788950485.36 total 20.02 last 86.40)
 - open/close 2588 (time 1788950495.37 total 30.02 last 88.05)
 - open/close 3398 (time 1788950505.37 total 40.03 last 80.98)
 - open/close 4113 (time 1788950515.38 total 50.03 last 71.47)
 - open/close 4949 (time 1788950525.38 total 60.03 last 83.59)
 - open/close 5785 (time 1788950535.38 total 70.04 last 83.57)
 - open/close 6646 (time 1788950545.39 total 80.04 last 86.03)
 - open/close 7512 (time 1788950555.39 total 90.05 last 86.57)
total: 8000 open/close in 95.87 seconds: 83.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1788950723 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second
 - open/close 812 (time 1788950826.46 total 10.01 last 81.13)
 - open/close 1652 (time 1788950836.46 total 20.01 last 83.96)
 - open/close 2521 (time 1788950846.46 total 30.02 last 86.89)
 - open/close 3386 (time 1788950856.46 total 40.02 last 86.50)
 - open/close 4246 (time 1788950866.48 total 50.03 last 85.87)
 - open/close 5088 (time 1788950876.49 total 60.04 last 84.11)
 - open/close 5942 (time 1788950886.49 total 70.05 last 85.37)
 - open/close 6825 (time 1788950896.49 total 80.05 last 88.30)
 - open/close 7667 (time 1788950906.50 total 90.05 last 84.17)
total: 8000 open/close in 93.98 seconds: 85.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1788951001 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second