== sanity test 124b: lru resize (performance test) ================================================================================= 22:29:40 (1781231380)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 818 (time 1781231394.92 total 10.01 last 81.72)
 - open/close 1611 (time 1781231404.92 total 20.01 last 79.29)
 - open/close 2479 (time 1781231414.93 total 30.02 last 86.75)
 - open/close 3240 (time 1781231424.93 total 40.02 last 76.04)
 - open/close 3872 (time 1781231434.95 total 50.04 last 63.11)
 - open/close 4656 (time 1781231444.96 total 60.05 last 78.34)
 - open/close 5409 (time 1781231454.96 total 70.05 last 75.26)
 - open/close 6149 (time 1781231464.96 total 80.05 last 74.00)
 - open/close 7011 (time 1781231474.97 total 90.06 last 86.12)
 - open/close 7810 (time 1781231484.98 total 100.07 last 79.80)
total: 8000 open/close in 103.12 seconds: 77.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1781231653 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 720 (time 1781231777.97 total 10.00 last 71.99)
 - open/close 1535 (time 1781231787.98 total 20.02 last 81.37)
 - open/close 2281 (time 1781231797.99 total 30.02 last 74.57)
 - open/close 3005 (time 1781231807.99 total 40.02 last 72.39)
 - open/close 3823 (time 1781231818.00 total 50.03 last 81.70)
 - open/close 4523 (time 1781231828.00 total 60.04 last 69.98)
 - open/close 5170 (time 1781231838.02 total 70.05 last 64.60)
 - open/close 5710 (time 1781231848.04 total 80.08 last 53.86)
 - open/close 6319 (time 1781231858.05 total 90.08 last 60.87)
 - open/close 7005 (time 1781231868.05 total 100.09 last 68.58)
 - open/close 7793 (time 1781231878.06 total 110.09 last 78.76)
total: 8000 open/close in 112.64 seconds: 71.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1781231995 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second