== sanity test 124b: lru resize (performance test) ================================================================================= 01:05:45 (1789362345)
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 3622 (time 1789362357.35 total 10.00 last 362.20)
 - open/close 7230 (time 1789362367.35 total 20.00 last 360.71)
total: 8000 open/close in 21.74 seconds: 367.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1789362440 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3535 (time 1789362466.23 total 10.00 last 353.48)
 - open/close 6996 (time 1789362476.23 total 20.00 last 346.06)
total: 8000 open/close in 22.61 seconds: 353.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1789362528 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second