== sanity test 124b: lru resize (performance test) ================================================================================= 07:40:43 (1787398843)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 835 (time 1787398857.56 total 10.00 last 83.48)
 - open/close 1621 (time 1787398867.57 total 20.01 last 78.52)
 - open/close 2381 (time 1787398877.58 total 30.02 last 75.95)
 - open/close 3281 (time 1787398887.58 total 40.02 last 89.96)
 - open/close 4146 (time 1787398897.59 total 50.03 last 86.43)
 - open/close 5009 (time 1787398907.59 total 60.03 last 86.28)
 - open/close 5932 (time 1787398917.61 total 70.05 last 92.14)
 - open/close 6866 (time 1787398927.61 total 80.06 last 93.37)
 - open/close 7719 (time 1787398937.62 total 90.06 last 85.24)
total: 8000 open/close in 93.23 seconds: 85.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
 - unlinked 0 (time 1787399123 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 971 (time 1787399232.46 total 10.01 last 97.03)
 - open/close 1803 (time 1787399242.46 total 20.01 last 83.20)
 - open/close 2657 (time 1787399252.46 total 30.01 last 85.38)
 - open/close 3445 (time 1787399262.47 total 40.02 last 78.73)
 - open/close 4313 (time 1787399272.48 total 50.03 last 86.72)
 - open/close 5133 (time 1787399282.48 total 60.03 last 81.95)
 - open/close 5948 (time 1787399292.50 total 70.05 last 81.38)
 - open/close 6602 (time 1787399302.51 total 80.06 last 65.32)
 - open/close 7348 (time 1787399312.52 total 90.07 last 74.54)
total: 8000 open/close in 98.58 seconds: 81.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1787399418 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second