== sanity test 124b: lru resize (performance test) ================================================================================= 11:57:00 (1787846220)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 514 (time 1787846236.86 total 10.01 last 51.37)
 - open/close 1112 (time 1787846246.87 total 20.01 last 59.75)
 - open/close 1698 (time 1787846256.88 total 30.02 last 58.55)
 - open/close 2275 (time 1787846266.89 total 40.03 last 57.66)
 - open/close 2841 (time 1787846276.89 total 50.03 last 56.60)
 - open/close 3458 (time 1787846286.89 total 60.03 last 61.70)
 - open/close 4044 (time 1787846296.92 total 70.06 last 58.41)
 - open/close 4649 (time 1787846306.92 total 80.07 last 60.48)
 - open/close 5184 (time 1787846316.92 total 90.07 last 53.49)
 - open/close 5790 (time 1787846326.94 total 100.08 last 60.52)
 - open/close 6432 (time 1787846336.94 total 110.08 last 64.20)
 - open/close 7031 (time 1787846346.94 total 120.09 last 59.87)
 - open/close 7588 (time 1787846356.95 total 130.10 last 55.66)
total: 8000 open/close in 136.83 seconds: 58.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 189 seconds
lru_size = 400
 - unlinked 0 (time 1787846564 ; total 0 ; last 0)
total: 8000 unlinks in 144 seconds: 55.555557 unlinks/second
 - open/close 421 (time 1787846725.73 total 10.02 last 42.01)
 - open/close 955 (time 1787846735.75 total 20.04 last 53.32)
 - open/close 1456 (time 1787846745.76 total 30.05 last 50.05)
 - open/close 1954 (time 1787846755.76 total 40.05 last 49.79)
 - open/close 2605 (time 1787846765.78 total 50.06 last 64.99)
 - open/close 3181 (time 1787846775.79 total 60.08 last 57.53)
 - open/close 3755 (time 1787846785.79 total 70.08 last 57.36)
 - open/close 4337 (time 1787846795.80 total 80.09 last 58.18)
 - open/close 4979 (time 1787846805.81 total 90.10 last 64.13)
 - open/close 5619 (time 1787846815.81 total 100.10 last 64.00)
 - open/close 6332 (time 1787846825.82 total 110.10 last 71.26)
 - open/close 7112 (time 1787846835.82 total 120.11 last 77.97)
 - open/close 7857 (time 1787846845.83 total 130.12 last 74.44)
total: 8000 open/close in 132.19 seconds: 60.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1787846954 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second