== sanity test 124b: lru resize (performance test) ================================================================================= 14:25:10 (1747851910)
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 3910 (time 1747851921.80 total 10.01 last 390.77)
 - open/close 6432 (time 1747851931.80 total 20.01 last 252.18)
total: 8000 open/close in 24.27 seconds: 329.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 400
400
 - unlinked 0 (time 1747851990 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4868 (time 1747852010.85 total 10.00 last 486.73)
total: 8000 open/close in 18.34 seconds: 436.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 13 seconds
lru_size = 4006
4001
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1747852037 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second