== sanity test 124b: lru resize (performance test) ================================================================================= 00:23:08 (1782620588)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 724 (time 1782620602.63 total 10.01 last 72.30)
 - open/close 1412 (time 1782620612.65 total 20.04 last 68.65)
 - open/close 2092 (time 1782620622.66 total 30.05 last 67.92)
 - open/close 2811 (time 1782620632.67 total 40.06 last 71.84)
 - open/close 3542 (time 1782620642.67 total 50.06 last 73.05)
 - open/close 4264 (time 1782620652.68 total 60.06 last 72.19)
 - open/close 5012 (time 1782620662.69 total 70.08 last 74.66)
 - open/close 5810 (time 1782620672.71 total 80.10 last 79.68)
 - open/close 6542 (time 1782620682.71 total 90.10 last 73.16)
 - open/close 7323 (time 1782620692.73 total 100.12 last 77.94)
total: 8000 open/close in 108.93 seconds: 73.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 142 seconds
lru_size = 400
 - unlinked 0 (time 1782620851 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second
 - open/close 853 (time 1782620953.94 total 10.00 last 85.29)
 - open/close 1728 (time 1782620963.94 total 20.01 last 87.46)
 - open/close 2532 (time 1782620973.95 total 30.01 last 80.38)
 - open/close 3377 (time 1782620983.96 total 40.02 last 84.41)
 - open/close 4312 (time 1782620993.97 total 50.03 last 93.42)
 - open/close 5160 (time 1782621003.97 total 60.03 last 84.78)
 - open/close 6066 (time 1782621013.97 total 70.03 last 90.57)
 - open/close 7001 (time 1782621023.98 total 80.04 last 93.42)
total: 8000 open/close in 89.98 seconds: 88.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 8005
ls -la is 64% faster with lru resize enabled
 - unlinked 0 (time 1782621098 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second