== sanity test 124b: lru resize (performance test) ================================================================================= 20:52:32 (1789087952)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 833 (time 1789087966.69 total 10.00 last 83.30)
 - open/close 1667 (time 1789087976.70 total 20.00 last 83.37)
 - open/close 2350 (time 1789087986.70 total 30.01 last 68.25)
 - open/close 3155 (time 1789087996.71 total 40.02 last 80.43)
 - open/close 3894 (time 1789088006.71 total 50.02 last 73.89)
 - open/close 4719 (time 1789088016.72 total 60.03 last 82.41)
 - open/close 5592 (time 1789088026.73 total 70.04 last 87.25)
 - open/close 6399 (time 1789088036.73 total 80.04 last 80.68)
 - open/close 7266 (time 1789088046.74 total 90.04 last 86.65)
total: 8000 open/close in 98.69 seconds: 81.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 149 seconds
lru_size = 400
 - unlinked 0 (time 1789088214 ; total 0 ; last 0)
total: 8000 unlinks in 97 seconds: 82.474228 unlinks/second
 - open/close 906 (time 1789088325.71 total 10.01 last 90.52)
 - open/close 1851 (time 1789088335.74 total 20.03 last 94.26)
 - open/close 2673 (time 1789088345.74 total 30.04 last 82.17)
 - open/close 3485 (time 1789088355.75 total 40.04 last 81.14)
 - open/close 4249 (time 1789088365.75 total 50.05 last 76.38)
 - open/close 5145 (time 1789088375.76 total 60.05 last 89.54)
 - open/close 5982 (time 1789088385.76 total 70.06 last 83.67)
 - open/close 6830 (time 1789088395.77 total 80.06 last 84.75)
 - open/close 7649 (time 1789088405.77 total 90.06 last 81.89)
total: 8000 open/close in 93.79 seconds: 85.30 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 46% faster with lru resize enabled
 - unlinked 0 (time 1789088508 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second