== sanity test 124b: lru resize (performance test) ================================================================================= 23:58:06 (1788494286)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 602 (time 1788494301.32 total 10.01 last 60.13)
 - open/close 1097 (time 1788494311.33 total 20.02 last 49.46)
 - open/close 1824 (time 1788494321.34 total 30.03 last 72.65)
 - open/close 2537 (time 1788494331.34 total 40.03 last 71.29)
 - open/close 3257 (time 1788494341.34 total 50.03 last 71.96)
 - open/close 4097 (time 1788494351.35 total 60.04 last 83.95)
 - open/close 4837 (time 1788494361.35 total 70.04 last 73.97)
 - open/close 5584 (time 1788494371.37 total 80.06 last 74.61)
 - open/close 6379 (time 1788494381.38 total 90.07 last 79.41)
 - open/close 7111 (time 1788494391.38 total 100.07 last 73.19)
 - open/close 7766 (time 1788494401.38 total 110.07 last 65.50)
total: 8000 open/close in 113.03 seconds: 70.78 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 1788494597 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 632 (time 1788494729.19 total 10.01 last 63.12)
 - open/close 1190 (time 1788494739.19 total 20.02 last 55.78)
 - open/close 1950 (time 1788494749.19 total 30.02 last 76.00)
 - open/close 2652 (time 1788494759.20 total 40.02 last 70.16)
 - open/close 3399 (time 1788494769.20 total 50.03 last 74.66)
 - open/close 4172 (time 1788494779.21 total 60.03 last 77.26)
 - open/close 4915 (time 1788494789.23 total 70.05 last 74.15)
 - open/close 5419 (time 1788494799.25 total 80.08 last 50.29)
 - open/close 6036 (time 1788494809.26 total 90.08 last 61.68)
 - open/close 6710 (time 1788494819.27 total 100.10 last 67.29)
 - open/close 7418 (time 1788494829.28 total 110.10 last 70.75)
total: 8000 open/close in 117.91 seconds: 67.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1788494962 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second