== sanity test 124b: lru resize (performance test) ================================================================================= 16:10:41 (1767733841)
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 2421 (time 1767733853.95 total 10.00 last 241.99)
 - open/close 4691 (time 1767733863.95 total 20.01 last 226.89)
 - open/close 6921 (time 1767733873.95 total 30.01 last 222.97)
total: 8000 open/close in 34.85 seconds: 229.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 400
400
 - unlinked 0 (time 1767733988 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2116 (time 1767734022.02 total 10.00 last 211.53)
 - open/close 4240 (time 1767734032.02 total 20.00 last 212.39)
 - open/close 6723 (time 1767734042.02 total 30.01 last 248.25)
total: 8000 open/close in 36.05 seconds: 221.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 67 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1767734124 ; total 0 ; last 0)
total: 8000 unlinks in 22 seconds: 363.636353 unlinks/second