== sanity test 124b: lru resize (performance test) ================================================================================= 14:13:48 (1788632028)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 826 (time 1788632043.36 total 10.02 last 82.46)
 - open/close 1514 (time 1788632053.37 total 20.02 last 68.75)
 - open/close 2322 (time 1788632063.37 total 30.03 last 80.74)
 - open/close 3117 (time 1788632073.37 total 40.03 last 79.49)
 - open/close 3740 (time 1788632083.37 total 50.03 last 62.30)
 - open/close 4300 (time 1788632093.38 total 60.04 last 55.97)
 - open/close 5079 (time 1788632103.39 total 70.05 last 77.79)
 - open/close 5795 (time 1788632113.40 total 80.06 last 71.55)
 - open/close 6415 (time 1788632123.42 total 90.08 last 61.86)
 - open/close 7142 (time 1788632133.43 total 100.09 last 72.66)
 - open/close 7902 (time 1788632143.44 total 110.09 last 75.94)
total: 8000 open/close in 111.76 seconds: 71.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 155 seconds
lru_size = 400
 - unlinked 0 (time 1788632311 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 683 (time 1788632433.08 total 10.00 last 68.29)
 - open/close 1337 (time 1788632443.09 total 20.01 last 65.33)
 - open/close 2101 (time 1788632453.10 total 30.02 last 76.35)
 - open/close 2843 (time 1788632463.10 total 40.02 last 74.20)
 - open/close 3558 (time 1788632473.10 total 50.02 last 71.47)
 - open/close 4466 (time 1788632483.11 total 60.03 last 90.72)
 - open/close 5361 (time 1788632493.12 total 70.05 last 89.37)
 - open/close 6252 (time 1788632503.13 total 80.05 last 89.04)
 - open/close 7103 (time 1788632513.14 total 90.06 last 85.03)
 - open/close 7700 (time 1788632523.15 total 100.07 last 59.66)
total: 8000 open/close in 103.57 seconds: 77.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 39% faster with lru resize enabled
 - unlinked 0 (time 1788632645 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second