== sanity test 124b: lru resize (performance test) ================================================================================= 22:11:56 (1768014716)
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 2209 (time 1768014728.95 total 10.00 last 220.83)
 - open/close 4446 (time 1768014738.96 total 20.00 last 223.67)
 - open/close 6626 (time 1768014748.96 total 30.01 last 217.96)
total: 8000 open/close in 36.16 seconds: 221.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 400
400
 - unlinked 0 (time 1768014843 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2957 (time 1768014883.95 total 10.00 last 295.66)
 - open/close 5617 (time 1768014893.95 total 20.00 last 265.96)
total: 8000 open/close in 28.42 seconds: 281.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 4006
4001
ls -la is 28% faster with lru resize enabled
 - unlinked 0 (time 1768014972 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second