== sanity test 124b: lru resize (performance test) ================================================================================= 19:56:23 (1784418983)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2193 (time 1784418996.17 total 10.00 last 219.24)
 - open/close 4149 (time 1784419006.17 total 20.00 last 195.58)
 - open/close 6096 (time 1784419016.17 total 30.01 last 194.67)
total: 8000 open/close in 39.57 seconds: 202.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 400
400
 - unlinked 0 (time 1784419148 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1991 (time 1784419183.41 total 10.00 last 199.06)
 - open/close 4012 (time 1784419193.42 total 20.00 last 202.08)
 - open/close 6101 (time 1784419203.42 total 30.01 last 208.80)
total: 8000 open/close in 39.35 seconds: 203.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1784419299 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second