== sanity test 124b: lru resize (performance test) ================================================================================= 10:40:34 (1788878434)
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 2209 (time 1788878447.90 total 10.00 last 220.84)
 - open/close 4513 (time 1788878457.90 total 20.01 last 230.34)
 - open/close 6517 (time 1788878467.91 total 30.01 last 200.28)
total: 8000 open/close in 37.66 seconds: 212.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1788878561 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2105 (time 1788878591.88 total 10.00 last 210.47)
 - open/close 4252 (time 1788878601.88 total 20.00 last 214.67)
 - open/close 6255 (time 1788878611.89 total 30.00 last 200.26)
 - open/close 7787 (time 1788878621.89 total 40.01 last 153.18)
total: 8000 open/close in 41.25 seconds: 193.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 4052
3955
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1788878676 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second