== sanity test 124b: lru resize (performance test) ================================================================================= 04:59:13 (1778662753)
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 735 (time 1778662767.99 total 10.00 last 73.49)
 - open/close 1502 (time 1778662777.99 total 20.01 last 76.65)
 - open/close 2142 (time 1778662788.00 total 30.02 last 63.95)
 - open/close 2875 (time 1778662798.01 total 40.02 last 73.23)
 - open/close 3615 (time 1778662808.01 total 50.03 last 73.96)
 - open/close 4397 (time 1778662818.02 total 60.04 last 78.12)
 - open/close 5151 (time 1778662828.03 total 70.05 last 75.33)
 - open/close 5958 (time 1778662838.04 total 80.05 last 80.67)
 - open/close 6664 (time 1778662848.05 total 90.06 last 70.54)
 - open/close 7405 (time 1778662858.05 total 100.06 last 74.07)
total: 8000 open/close in 107.93 seconds: 74.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
400
 - unlinked 0 (time 1778663045 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 697 (time 1778663171.35 total 10.00 last 69.68)
 - open/close 1433 (time 1778663181.36 total 20.01 last 73.54)
 - open/close 2173 (time 1778663191.37 total 30.02 last 73.92)
 - open/close 2964 (time 1778663201.38 total 40.03 last 79.05)
 - open/close 3755 (time 1778663211.38 total 50.03 last 79.07)
 - open/close 4450 (time 1778663221.39 total 60.04 last 69.47)
 - open/close 5103 (time 1778663231.39 total 70.04 last 65.28)
 - open/close 5868 (time 1778663241.40 total 80.05 last 76.46)
 - open/close 6529 (time 1778663251.41 total 90.06 last 66.01)
 - open/close 7126 (time 1778663261.42 total 100.07 last 59.66)
 - open/close 7812 (time 1778663271.42 total 110.07 last 68.58)
total: 8000 open/close in 112.73 seconds: 70.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 4052
3955
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1778663387 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second