== sanity test 124b: lru resize (performance test) ================================================================================= 20:46:59 (1746146819)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1727 (time 1746146831.23 total 10.01 last 172.58)
 - open/close 3248 (time 1746146841.24 total 20.01 last 152.07)
 - open/close 5249 (time 1746146851.24 total 30.02 last 199.96)
 - open/close 7534 (time 1746146861.25 total 40.02 last 228.38)
total: 8000 open/close in 42.40 seconds: 188.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 127 seconds
lru_size = 400
 - unlinked 0 (time 1746146993 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second
 - open/close 1440 (time 1746147051.85 total 10.00 last 143.99)
 - open/close 2848 (time 1746147061.85 total 20.00 last 140.79)
 - open/close 4451 (time 1746147071.86 total 30.01 last 160.24)
 - open/close 5966 (time 1746147081.86 total 40.01 last 151.42)
 - open/close 7393 (time 1746147091.87 total 50.01 last 142.66)
total: 8000 open/close in 53.86 seconds: 148.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 29 seconds
lru_size = 8005
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1746147132 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second