== sanity test 124b: lru resize (performance test) ================================================================================= 19:16:52 (1778368612)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2058 (time 1778368624.49 total 10.00 last 205.77)
 - open/close 3510 (time 1778368634.49 total 20.00 last 145.17)
 - open/close 5694 (time 1778368644.49 total 30.01 last 218.35)
 - open/close 7054 (time 1778368654.49 total 40.01 last 135.98)
total: 8000 open/close in 44.84 seconds: 178.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 400
 - unlinked 0 (time 1778368767 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
 - open/close 2094 (time 1778368803.59 total 10.00 last 209.38)
 - open/close 4166 (time 1778368813.59 total 20.00 last 207.17)
 - open/close 6166 (time 1778368823.59 total 30.01 last 199.93)
total: 8000 open/close in 39.10 seconds: 204.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1778368906 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second