== sanity test 124b: lru resize (performance test) ================================================================================= 12:07:27 (1746115647)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2412 (time 1746115659.62 total 10.00 last 241.17)
 - open/close 4747 (time 1746115669.63 total 20.00 last 233.44)
 - open/close 7098 (time 1746115679.63 total 30.00 last 235.08)
total: 8000 open/close in 33.72 seconds: 237.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 400
400
 - unlinked 0 (time 1746115737 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2312 (time 1746115767.21 total 10.00 last 231.18)
 - open/close 4673 (time 1746115777.21 total 20.00 last 236.08)
 - open/close 6999 (time 1746115787.22 total 30.01 last 232.51)
total: 8000 open/close in 34.34 seconds: 232.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4052
3955
ls -la is 82% faster with lru resize enabled
 - unlinked 0 (time 1746115807 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second