== sanity test 124b: lru resize (performance test) ================================================================================= 02:23:31 (1780813411)
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 2358 (time 1780813424.04 total 10.00 last 235.77)
 - open/close 4409 (time 1780813434.04 total 20.00 last 205.07)
 - open/close 6918 (time 1780813444.04 total 30.00 last 250.88)
total: 8000 open/close in 35.34 seconds: 226.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 113 seconds
lru_size = 400
400
 - unlinked 0 (time 1780813567 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2090 (time 1780813603.65 total 10.00 last 208.98)
 - open/close 4210 (time 1780813613.66 total 20.00 last 211.95)
 - open/close 6302 (time 1780813623.66 total 30.01 last 209.13)
total: 8000 open/close in 37.67 seconds: 212.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 4052
3955
ls -la is 30% faster with lru resize enabled
 - unlinked 0 (time 1780813719 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second