== sanity test 124b: lru resize (performance test) ================================================================================= 14:27:00 (1733167620)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3632 (time 1733167632.29 total 10.00 last 363.19)
 - open/close 6714 (time 1733167642.29 total 20.00 last 308.18)
total: 8000 open/close in 24.42 seconds: 327.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
 - unlinked 0 (time 1733167738 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
 - open/close 5233 (time 1733167769.28 total 10.00 last 523.24)
total: 8000 open/close in 16.54 seconds: 483.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 8005
ls -la is 87% faster with lru resize enabled
 - unlinked 0 (time 1733167791 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second