== sanity test 124b: lru resize (performance test) ================================================================================= 18:23:58 (1746138238)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 917 (time 1746138251.38 total 10.00 last 91.69)
 - open/close 1840 (time 1746138261.38 total 20.01 last 92.25)
 - open/close 2746 (time 1746138271.39 total 30.01 last 90.54)
 - open/close 3571 (time 1746138281.40 total 40.03 last 82.40)
 - open/close 4392 (time 1746138291.41 total 50.03 last 82.05)
 - open/close 5183 (time 1746138301.41 total 60.04 last 79.04)
 - open/close 6089 (time 1746138311.43 total 70.06 last 90.44)
 - open/close 6906 (time 1746138321.44 total 80.07 last 81.62)
 - open/close 7748 (time 1746138331.44 total 90.07 last 84.19)
total: 8000 open/close in 93.00 seconds: 86.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 400
 - unlinked 0 (time 1746138473 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second
 - open/close 818 (time 1746138569.42 total 10.01 last 81.74)
 - open/close 1644 (time 1746138579.43 total 20.01 last 82.58)
 - open/close 2536 (time 1746138589.43 total 30.02 last 89.14)
 - open/close 3484 (time 1746138599.44 total 40.02 last 94.75)
 - open/close 4419 (time 1746138609.44 total 50.03 last 93.43)
 - open/close 5319 (time 1746138619.45 total 60.04 last 89.94)
 - open/close 6192 (time 1746138629.46 total 70.04 last 87.23)
 - open/close 7127 (time 1746138639.47 total 80.05 last 93.45)
total: 8000 open/close in 89.71 seconds: 89.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1746138728 ; total 0 ; last 0)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second