== sanity test 124b: lru resize (performance test) ================================================================================= 07:31:41 (1788521501)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 798 (time 1788521514.94 total 10.01 last 79.75)
 - open/close 1584 (time 1788521524.94 total 20.01 last 78.55)
 - open/close 2348 (time 1788521534.96 total 30.02 last 76.31)
 - open/close 3074 (time 1788521544.96 total 40.03 last 72.57)
 - open/close 3709 (time 1788521554.97 total 50.03 last 63.45)
 - open/close 4236 (time 1788521564.98 total 60.05 last 52.62)
 - open/close 4952 (time 1788521574.98 total 70.05 last 71.58)
 - open/close 5714 (time 1788521584.99 total 80.06 last 76.13)
 - open/close 6536 (time 1788521595.00 total 90.07 last 82.13)
 - open/close 7321 (time 1788521605.00 total 100.07 last 78.50)
total: 8000 open/close in 107.46 seconds: 74.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
 - unlinked 0 (time 1788521772 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 709 (time 1788521887.83 total 10.00 last 70.88)
 - open/close 1475 (time 1788521897.83 total 20.01 last 76.56)
 - open/close 2277 (time 1788521907.84 total 30.01 last 80.15)
 - open/close 3049 (time 1788521917.85 total 40.02 last 77.15)
 - open/close 3843 (time 1788521927.86 total 50.03 last 79.34)
 - open/close 4593 (time 1788521937.86 total 60.03 last 74.98)
 - open/close 5402 (time 1788521947.86 total 70.04 last 80.86)
 - open/close 6145 (time 1788521957.87 total 80.05 last 74.23)
 - open/close 6950 (time 1788521967.88 total 90.05 last 80.45)
 - open/close 7655 (time 1788521977.90 total 100.07 last 70.39)
total: 8000 open/close in 104.36 seconds: 76.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788522080 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second