== sanity test 124b: lru resize (performance test) ================================================================================= 05:17:38 (1753435058)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1098 (time 1753435071.37 total 10.01 last 109.73)
 - open/close 2128 (time 1753435081.37 total 20.01 last 102.97)
 - open/close 3276 (time 1753435091.37 total 30.02 last 114.72)
 - open/close 4698 (time 1753435101.37 total 40.02 last 142.20)
 - open/close 5233 (time 1753435111.39 total 50.03 last 53.44)
 - open/close 6055 (time 1753435121.39 total 60.04 last 82.12)
 - open/close 6389 (time 1753435131.40 total 70.04 last 33.37)
 - open/close 7585 (time 1753435141.41 total 80.05 last 119.58)
total: 8000 open/close in 83.46 seconds: 95.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
 - unlinked 0 (time 1753435239 ; total 0 ; last 0)
total: 8000 unlinks in 50 seconds: 160.000000 unlinks/second
 - open/close 1375 (time 1753435301.66 total 10.00 last 137.48)
 - open/close 2623 (time 1753435311.67 total 20.00 last 124.77)
 - open/close 3950 (time 1753435321.67 total 30.01 last 132.69)
 - open/close 5642 (time 1753435331.67 total 40.01 last 169.18)
 - open/close 7459 (time 1753435341.67 total 50.01 last 181.61)
total: 8000 open/close in 52.56 seconds: 152.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1753435399 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second