== sanity test 124b: lru resize (performance test) ================================================================================= 18:22:05 (1746138125)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1422 (time 1746138138.13 total 10.00 last 142.19)
 - open/close 2988 (time 1746138148.14 total 20.01 last 156.51)
 - open/close 4393 (time 1746138158.14 total 30.01 last 140.44)
 - open/close 5908 (time 1746138168.14 total 40.01 last 151.48)
 - open/close 7288 (time 1746138178.14 total 50.01 last 137.96)
total: 8000 open/close in 54.60 seconds: 146.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 400
400
 - unlinked 0 (time 1746138280 ; total 0 ; last 0)
total: 8000 unlinks in 50 seconds: 160.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1357 (time 1746138342.31 total 10.00 last 135.68)
 - open/close 2697 (time 1746138352.32 total 20.00 last 133.96)
 - open/close 3870 (time 1746138362.33 total 30.01 last 117.18)
 - open/close 5230 (time 1746138372.33 total 40.02 last 135.98)
 - open/close 6514 (time 1746138382.33 total 50.02 last 128.34)
 - open/close 7861 (time 1746138392.33 total 60.02 last 134.69)
total: 8000 open/close in 60.86 seconds: 131.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 28 seconds
lru_size = 4052
3955
ls -la is 69% faster with lru resize enabled
 - unlinked 0 (time 1746138429 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second