== sanity test 124b: lru resize (performance test) ================================================================================= 19:16:11 (1746141371)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1213 (time 1746141384.73 total 10.00 last 121.30)
 - open/close 2374 (time 1746141394.74 total 20.01 last 116.01)
 - open/close 3585 (time 1746141404.74 total 30.01 last 121.06)
 - open/close 4866 (time 1746141414.75 total 40.02 last 128.06)
 - open/close 6140 (time 1746141424.75 total 50.02 last 127.40)
 - open/close 7358 (time 1746141434.75 total 60.02 last 121.73)
total: 8000 open/close in 65.29 seconds: 122.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1746141601 ; total 0 ; last 0)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second
 - open/close 1301 (time 1746141667.06 total 10.01 last 129.94)
 - open/close 2465 (time 1746141677.07 total 20.02 last 116.32)
 - open/close 3684 (time 1746141687.07 total 30.02 last 121.86)
 - open/close 4880 (time 1746141697.07 total 40.02 last 119.59)
 - open/close 5988 (time 1746141707.07 total 50.02 last 110.78)
 - open/close 7374 (time 1746141717.08 total 60.03 last 138.46)
total: 8000 open/close in 65.45 seconds: 122.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 8005
ls -la is 67% faster with lru resize enabled
 - unlinked 0 (time 1746141786 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second