== sanity test 124b: lru resize (performance test) ================================================================================= 00:20:44 (1787804444)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 777 (time 1787804457.68 total 10.01 last 77.64)
 - open/close 1514 (time 1787804467.70 total 20.03 last 73.57)
 - open/close 2307 (time 1787804477.72 total 30.04 last 79.18)
 - open/close 3137 (time 1787804487.72 total 40.04 last 82.99)
 - open/close 3941 (time 1787804497.72 total 50.05 last 80.37)
 - open/close 4661 (time 1787804507.72 total 60.05 last 71.97)
 - open/close 5372 (time 1787804517.73 total 70.05 last 71.08)
 - open/close 6232 (time 1787804527.73 total 80.06 last 85.95)
 - open/close 7105 (time 1787804537.75 total 90.07 last 87.18)
total: 8000 open/close in 99.88 seconds: 80.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 127 seconds
lru_size = 400
 - unlinked 0 (time 1787804682 ; total 0 ; last 0)
total: 8000 unlinks in 91 seconds: 87.912086 unlinks/second
 - open/close 712 (time 1787804787.47 total 10.01 last 71.15)
 - open/close 1442 (time 1787804797.48 total 20.02 last 72.91)
 - open/close 2175 (time 1787804807.50 total 30.03 last 73.22)
 - open/close 2832 (time 1787804817.52 total 40.06 last 65.51)
 - open/close 3553 (time 1787804827.53 total 50.07 last 72.06)
 - open/close 4248 (time 1787804837.53 total 60.07 last 69.49)
 - open/close 5004 (time 1787804847.53 total 70.07 last 75.57)
 - open/close 5734 (time 1787804857.54 total 80.07 last 72.99)
 - open/close 6454 (time 1787804867.55 total 90.08 last 71.92)
 - open/close 7182 (time 1787804877.55 total 100.09 last 72.76)
 - open/close 7891 (time 1787804887.59 total 110.12 last 70.66)
total: 8000 open/close in 111.60 seconds: 71.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1787804998 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second