== sanity test 124b: lru resize (performance test) ================================================================================= 11:24:15 (1787066655)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1484 (time 1787066668.02 total 10.00 last 148.33)
 - open/close 2253 (time 1787066678.03 total 20.01 last 76.83)
 - open/close 4107 (time 1787066688.03 total 30.02 last 185.35)
 - open/close 6838 (time 1787066698.04 total 40.02 last 272.87)
total: 8000 open/close in 44.00 seconds: 181.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
 - unlinked 0 (time 1787066770 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
 - open/close 4684 (time 1787066794.72 total 10.00 last 468.36)
total: 8000 open/close in 17.48 seconds: 457.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1787066847 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second