== sanity test 124b: lru resize (performance test) ================================================================================= 23:30:12 (1789788612)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 698 (time 1789788627.48 total 10.01 last 69.72)
 - open/close 1394 (time 1789788637.48 total 20.02 last 69.54)
 - open/close 2098 (time 1789788647.49 total 30.03 last 70.35)
 - open/close 2803 (time 1789788657.50 total 40.04 last 70.43)
 - open/close 3535 (time 1789788667.52 total 50.05 last 73.08)
 - open/close 4160 (time 1789788677.53 total 60.07 last 62.42)
 - open/close 4838 (time 1789788687.54 total 70.08 last 67.73)
 - open/close 5510 (time 1789788697.55 total 80.08 last 67.16)
 - open/close 6215 (time 1789788707.55 total 90.09 last 70.47)
 - open/close 6898 (time 1789788717.56 total 100.10 last 68.23)
 - open/close 7506 (time 1789788727.58 total 110.12 last 60.69)
total: 8000 open/close in 118.62 seconds: 67.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1789788916 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 672 (time 1789789049.33 total 10.01 last 67.14)
 - open/close 1399 (time 1789789059.33 total 20.01 last 72.70)
 - open/close 2067 (time 1789789069.33 total 30.01 last 66.77)
 - open/close 2823 (time 1789789079.34 total 40.02 last 75.54)
 - open/close 3491 (time 1789789089.36 total 50.04 last 66.70)
 - open/close 4143 (time 1789789099.36 total 60.04 last 65.19)
 - open/close 4795 (time 1789789109.37 total 70.04 last 65.15)
 - open/close 5415 (time 1789789119.37 total 80.05 last 61.98)
 - open/close 6026 (time 1789789129.37 total 90.05 last 61.07)
 - open/close 6780 (time 1789789139.39 total 100.07 last 75.28)
 - open/close 7403 (time 1789789149.39 total 110.07 last 62.27)
total: 8000 open/close in 119.71 seconds: 66.83 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 47% faster with lru resize enabled
 - unlinked 0 (time 1789789272 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second