== sanity test 124b: lru resize (performance test) ================================================================================= 11:23:00 (1784128980)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3442 (time 1784128991.58 total 10.00 last 344.17)
 - open/close 7404 (time 1784129001.59 total 20.00 last 396.12)
total: 8000 open/close in 21.48 seconds: 372.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
 - unlinked 0 (time 1784129081 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
 - open/close 4602 (time 1784129106.80 total 10.00 last 460.17)
total: 8000 open/close in 17.49 seconds: 457.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1784129163 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second