== sanity test 124b: lru resize (performance test) ================================================================================= 15:48:48 (1781034528)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2900 (time 1781034540.37 total 10.00 last 289.92)
 - open/close 5578 (time 1781034550.37 total 20.01 last 267.71)
total: 8000 open/close in 28.64 seconds: 279.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
400
 - unlinked 0 (time 1781034662 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2338 (time 1781034703.85 total 10.00 last 233.71)
 - open/close 4697 (time 1781034713.85 total 20.01 last 235.81)
 - open/close 7195 (time 1781034723.85 total 30.01 last 249.77)
total: 8000 open/close in 33.37 seconds: 239.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 4006
4001
ls -la is 14% faster with lru resize enabled
 - unlinked 0 (time 1781034823 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second