== sanity test 124b: lru resize (performance test) ================================================================================= 22:13:10 (1770693190)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4333 (time 1770693204.59 total 10.00 last 433.19)
 - open/close 7397 (time 1770693214.59 total 20.01 last 306.33)
total: 8000 open/close in 21.47 seconds: 372.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 400
400
 - unlinked 0 (time 1770693323 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3277 (time 1770693357.52 total 10.00 last 327.62)
 - open/close 7325 (time 1770693367.52 total 20.00 last 404.76)
total: 8000 open/close in 21.65 seconds: 369.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1770693442 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second