== sanity test 124b: lru resize (performance test) ================================================================================= 18:26:20 (1786487180)
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 4529 (time 1786487194.07 total 10.00 last 452.86)
total: 8000 open/close in 17.66 seconds: 453.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
400
 - unlinked 0 (time 1786487274 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5104 (time 1786487296.29 total 10.00 last 510.37)
total: 8000 open/close in 15.35 seconds: 521.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 4052
3955
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1786487350 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second