== sanity test 124b: lru resize (performance test) ================================================================================= 18:02:09 (1746136929)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1291 (time 1746136941.61 total 10.01 last 129.01)
 - open/close 2833 (time 1746136951.62 total 20.02 last 154.06)
 - open/close 4096 (time 1746136961.62 total 30.02 last 126.24)
 - open/close 5314 (time 1746136971.63 total 40.02 last 121.74)
 - open/close 6582 (time 1746136981.63 total 50.03 last 126.77)
 - open/close 7822 (time 1746136991.64 total 60.03 last 123.95)
total: 8000 open/close in 61.85 seconds: 129.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 121 seconds
lru_size = 400
 - unlinked 0 (time 1746137119 ; total 0 ; last 0)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second
 - open/close 1400 (time 1746137184.31 total 10.00 last 139.95)
 - open/close 3139 (time 1746137194.31 total 20.00 last 173.88)
 - open/close 4605 (time 1746137204.32 total 30.01 last 146.52)
 - open/close 5969 (time 1746137214.32 total 40.01 last 136.36)
 - open/close 7437 (time 1746137224.32 total 50.01 last 146.77)
total: 8000 open/close in 54.03 seconds: 148.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 28 seconds
lru_size = 8005
ls -la is 76% faster with lru resize enabled
 - unlinked 0 (time 1746137263 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second