== sanity test 124b: lru resize (performance test) ================================================================================= 18:23:42 (1788474222)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 731 (time 1788474237.23 total 10.01 last 73.04)
 - open/close 1591 (time 1788474247.23 total 20.01 last 85.96)
 - open/close 2487 (time 1788474257.24 total 30.02 last 89.51)
 - open/close 3273 (time 1788474267.25 total 40.03 last 78.54)
 - open/close 4069 (time 1788474277.26 total 50.04 last 79.53)
 - open/close 4717 (time 1788474287.27 total 60.05 last 64.75)
 - open/close 5437 (time 1788474297.27 total 70.05 last 71.97)
 - open/close 6244 (time 1788474307.27 total 80.06 last 80.66)
 - open/close 7056 (time 1788474317.29 total 90.07 last 81.09)
 - open/close 7931 (time 1788474327.29 total 100.07 last 87.48)
total: 8000 open/close in 100.81 seconds: 79.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1788474506 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 587 (time 1788474632.20 total 10.01 last 58.65)
 - open/close 1297 (time 1788474642.21 total 20.02 last 70.93)
 - open/close 1992 (time 1788474652.22 total 30.03 last 69.44)
 - open/close 2659 (time 1788474662.22 total 40.03 last 66.68)
 - open/close 3313 (time 1788474672.23 total 50.04 last 65.37)
 - open/close 3851 (time 1788474682.26 total 60.06 last 53.65)
 - open/close 4444 (time 1788474692.27 total 70.08 last 59.22)
 - open/close 5150 (time 1788474702.28 total 80.08 last 70.57)
 - open/close 5896 (time 1788474712.28 total 90.09 last 74.58)
 - open/close 6424 (time 1788474722.29 total 100.10 last 52.72)
 - open/close 7139 (time 1788474732.30 total 110.10 last 71.48)
 - open/close 7701 (time 1788474742.32 total 120.13 last 56.08)
total: 8000 open/close in 124.90 seconds: 64.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1788474866 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second