== sanity test 124b: lru resize (performance test) ================================================================================= 18:08:46 (1717020526)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88008520b000.lru_size=400
 - open/close 1341 (time 1717020538.16 total 10.00 last 134.08)
 - open/close 2756 (time 1717020548.16 total 20.00 last 141.47)
 - open/close 4154 (time 1717020558.17 total 30.01 last 139.73)
 - open/close 5386 (time 1717020568.17 total 40.01 last 123.16)
 - open/close 6560 (time 1717020578.17 total 50.01 last 117.38)
 - open/close 7785 (time 1717020588.18 total 60.01 last 122.48)
total: 8000 open/close in 61.50 seconds: 130.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
 - unlinked 0 (time 1717020666 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88008520b000.lru_size=0
 - open/close 1175 (time 1717020739.94 total 10.00 last 117.47)
 - open/close 2298 (time 1717020749.95 total 20.01 last 112.19)
 - open/close 3498 (time 1717020759.95 total 30.02 last 119.96)
 - open/close 4647 (time 1717020769.95 total 40.02 last 114.88)
 - open/close 5997 (time 1717020779.95 total 50.02 last 134.96)
 - open/close 7170 (time 1717020789.96 total 60.03 last 117.20)
total: 8000 open/close in 67.37 seconds: 118.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 23 seconds
lru_size = 8005
ls -la is 68% faster with lru resize enabled
 - unlinked 0 (time 1717020825 ; total 0 ; last 0)
total: 8000 unlinks in 39 seconds: 205.128204 unlinks/second