== sanity test 124b: lru resize (performance test) ================================================================================= 13:43:41 (1790963021)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2732 (time 1790963033.39 total 10.01 last 273.04)
 - open/close 6259 (time 1790963043.39 total 20.01 last 352.66)
total: 8000 open/close in 24.50 seconds: 326.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 184 seconds
lru_size = 400
400
 - unlinked 0 (time 1790963238 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 802 (time 1790963349.10 total 10.01 last 80.09)
 - open/close 1574 (time 1790963359.10 total 20.02 last 77.15)
 - open/close 2405 (time 1790963369.12 total 30.03 last 82.99)
 - open/close 3178 (time 1790963379.12 total 40.04 last 77.28)
 - open/close 3955 (time 1790963389.13 total 50.05 last 77.62)
 - open/close 4829 (time 1790963399.13 total 60.05 last 87.37)
 - open/close 5625 (time 1790963409.14 total 70.06 last 79.56)
 - open/close 6365 (time 1790963419.15 total 80.06 last 73.94)
 - open/close 7079 (time 1790963429.17 total 90.09 last 71.24)
 - open/close 7814 (time 1790963439.17 total 100.09 last 73.46)
total: 8000 open/close in 103.35 seconds: 77.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 4006
4001
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1790963546 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second