== sanity test 124b: lru resize (performance test) ================================================================================= 23:57:19 (1763355439)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4692 (time 1763355452.92 total 10.00 last 469.16)
total: 8000 open/close in 17.04 seconds: 469.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
400
 - unlinked 0 (time 1763355528 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4280 (time 1763355550.90 total 10.00 last 427.94)
total: 8000 open/close in 18.23 seconds: 438.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4052
3955
ls -la is 23% faster with lru resize enabled
 - unlinked 0 (time 1763355615 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second