== sanity test 124b: lru resize (performance test) ================================================================================= 18:56:29 (1790981789)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 735 (time 1790981804.56 total 10.04 last 73.24)
 - open/close 1414 (time 1790981814.57 total 20.05 last 67.82)
 - open/close 2007 (time 1790981824.59 total 30.06 last 59.20)
 - open/close 2670 (time 1790981834.59 total 40.07 last 66.28)
 - open/close 3385 (time 1790981844.60 total 50.07 last 71.47)
 - open/close 4109 (time 1790981854.61 total 60.08 last 72.32)
 - open/close 4869 (time 1790981864.62 total 70.10 last 75.90)
 - open/close 5541 (time 1790981874.62 total 80.10 last 67.19)
 - open/close 6174 (time 1790981884.63 total 90.10 last 63.27)
 - open/close 6942 (time 1790981894.64 total 100.11 last 76.72)
 - open/close 7633 (time 1790981904.64 total 110.12 last 69.07)
total: 8000 open/close in 114.90 seconds: 69.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1790982102 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 738 (time 1790982224.83 total 10.01 last 73.73)
 - open/close 1499 (time 1790982234.84 total 20.02 last 76.00)
 - open/close 2153 (time 1790982244.85 total 30.03 last 65.33)
 - open/close 2899 (time 1790982254.86 total 40.04 last 74.54)
 - open/close 3627 (time 1790982264.87 total 50.05 last 72.74)
 - open/close 4392 (time 1790982274.87 total 60.05 last 76.48)
 - open/close 5164 (time 1790982284.89 total 70.07 last 77.08)
 - open/close 5921 (time 1790982294.90 total 80.08 last 75.65)
 - open/close 6720 (time 1790982304.91 total 90.09 last 79.81)
 - open/close 7473 (time 1790982314.92 total 100.10 last 75.22)
total: 8000 open/close in 107.95 seconds: 74.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1790982433 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second