== sanity test 124b: lru resize (performance test) ================================================================================= 20:46:47 (1746146807)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1150 (time 1746146819.92 total 10.00 last 114.99)
 - open/close 2294 (time 1746146829.92 total 20.01 last 114.35)
 - open/close 3328 (time 1746146839.93 total 30.02 last 103.30)
 - open/close 4429 (time 1746146849.94 total 40.02 last 110.05)
 - open/close 5707 (time 1746146859.94 total 50.02 last 127.79)
 - open/close 6817 (time 1746146869.94 total 60.02 last 110.95)
 - open/close 7893 (time 1746146879.94 total 70.02 last 107.60)
total: 8000 open/close in 70.81 seconds: 112.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1746147033 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second
 - open/close 1022 (time 1746147138.22 total 10.00 last 102.18)
 - open/close 2116 (time 1746147148.22 total 20.00 last 109.40)
 - open/close 3222 (time 1746147158.22 total 30.00 last 110.58)
 - open/close 4156 (time 1746147168.23 total 40.01 last 93.38)
 - open/close 5166 (time 1746147178.23 total 50.01 last 101.00)
 - open/close 6106 (time 1746147188.23 total 60.01 last 93.96)
 - open/close 7041 (time 1746147198.23 total 70.01 last 93.48)
 - open/close 7895 (time 1746147208.25 total 80.03 last 85.26)
total: 8000 open/close in 81.11 seconds: 98.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1746147292 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second