== sanity test 124b: lru resize (performance test) ================================================================================= 16:25:49 (1758831949)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 859 (time 1758831962.04 total 10.02 last 85.76)
 - open/close 1715 (time 1758831972.05 total 20.02 last 85.53)
 - open/close 2586 (time 1758831982.06 total 30.03 last 87.01)
 - open/close 3491 (time 1758831992.07 total 40.04 last 90.46)
 - open/close 4407 (time 1758832002.07 total 50.04 last 91.56)
 - open/close 5369 (time 1758832012.08 total 60.05 last 96.11)
 - open/close 6259 (time 1758832022.09 total 70.06 last 88.91)
 - open/close 7145 (time 1758832032.09 total 80.07 last 88.57)
total: 8000 open/close in 89.47 seconds: 89.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
 - unlinked 0 (time 1758832150 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
 - open/close 1109 (time 1758832194.51 total 10.00 last 110.87)
 - open/close 2367 (time 1758832204.51 total 20.00 last 125.78)
 - open/close 3175 (time 1758832214.51 total 30.01 last 80.78)
 - open/close 4894 (time 1758832224.52 total 40.01 last 171.82)
 - open/close 6653 (time 1758832234.52 total 50.02 last 175.82)
total: 8000 open/close in 57.92 seconds: 138.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8005
ls -la is 60% faster with lru resize enabled
 - unlinked 0 (time 1758832293 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second