== sanity test 124b: lru resize (performance test) ================================================================================= 23:11:02 (1788923462)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 588 (time 1788923480.55 total 10.00 last 58.77)
 - open/close 1335 (time 1788923490.56 total 20.01 last 74.67)
 - open/close 1885 (time 1788923500.57 total 30.02 last 54.91)
 - open/close 2119 (time 1788923510.59 total 40.04 last 23.36)
 - open/close 2833 (time 1788923520.60 total 50.05 last 71.34)
 - open/close 3542 (time 1788923530.61 total 60.07 last 70.80)
 - open/close 4286 (time 1788923540.62 total 70.08 last 74.33)
 - open/close 5020 (time 1788923550.63 total 80.09 last 73.33)
 - open/close 5695 (time 1788923560.64 total 90.09 last 67.44)
 - open/close 6346 (time 1788923570.64 total 100.10 last 65.09)
 - open/close 6943 (time 1788923580.64 total 110.10 last 59.69)
 - open/close 7775 (time 1788923590.65 total 120.10 last 83.19)
total: 8000 open/close in 129.05 seconds: 61.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 183 seconds
lru_size = 400
 - unlinked 0 (time 1788923792 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 733 (time 1788923925.44 total 10.00 last 73.29)
 - open/close 1498 (time 1788923935.45 total 20.01 last 76.47)
 - open/close 2228 (time 1788923945.46 total 30.02 last 72.91)
 - open/close 3028 (time 1788923955.47 total 40.02 last 79.95)
 - open/close 3809 (time 1788923965.48 total 50.04 last 77.98)
 - open/close 4450 (time 1788923975.49 total 60.05 last 64.03)
 - open/close 5069 (time 1788923985.50 total 70.05 last 61.88)
 - open/close 5914 (time 1788923995.50 total 80.06 last 84.49)
 - open/close 6722 (time 1788924005.50 total 90.06 last 80.77)
 - open/close 7451 (time 1788924015.51 total 100.07 last 72.85)
total: 8000 open/close in 106.91 seconds: 74.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1788924149 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second