== sanity test 124b: lru resize (performance test) ================================================================================= 03:22:13 (1787383333)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 728 (time 1787383347.70 total 10.01 last 72.73)
 - open/close 1574 (time 1787383357.70 total 20.01 last 84.55)
 - open/close 2425 (time 1787383367.71 total 30.02 last 85.06)
 - open/close 3229 (time 1787383377.72 total 40.03 last 80.31)
 - open/close 4024 (time 1787383387.73 total 50.04 last 79.43)
 - open/close 4866 (time 1787383397.76 total 60.07 last 83.95)
 - open/close 5684 (time 1787383407.76 total 70.07 last 81.76)
 - open/close 6399 (time 1787383417.77 total 80.08 last 71.46)
 - open/close 7064 (time 1787383427.78 total 90.09 last 66.45)
 - open/close 7864 (time 1787383437.78 total 100.09 last 79.98)
total: 8000 open/close in 101.55 seconds: 78.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1787383598 ; total 0 ; last 0)
total: 8000 unlinks in 97 seconds: 82.474228 unlinks/second
 - open/close 545 (time 1787383711.26 total 10.01 last 54.46)
 - open/close 1382 (time 1787383721.26 total 20.02 last 83.64)
 - open/close 2216 (time 1787383731.27 total 30.02 last 83.33)
 - open/close 3124 (time 1787383741.27 total 40.03 last 90.76)
 - open/close 3917 (time 1787383751.28 total 50.03 last 79.25)
 - open/close 4699 (time 1787383761.29 total 60.05 last 78.09)
 - open/close 5558 (time 1787383771.30 total 70.05 last 85.86)
 - open/close 6309 (time 1787383781.31 total 80.06 last 75.01)
 - open/close 7137 (time 1787383791.32 total 90.07 last 82.74)
total: 8000 open/close in 99.80 seconds: 80.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787383894 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second