== sanity test 124b: lru resize (performance test) ================================================================================= 22:03:44 (1745460224)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2352 (time 1745460235.76 total 10.00 last 235.15)
 - open/close 4712 (time 1745460245.77 total 20.00 last 235.95)
 - open/close 7150 (time 1745460255.77 total 30.01 last 243.72)
total: 8000 open/close in 33.36 seconds: 239.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 400
 - unlinked 0 (time 1745460365 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
 - open/close 2528 (time 1745460407.65 total 10.00 last 252.79)
 - open/close 4960 (time 1745460417.65 total 20.00 last 243.10)
 - open/close 7740 (time 1745460427.65 total 30.01 last 277.90)
total: 8000 open/close in 31.11 seconds: 257.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 8005
ls -la is 90% faster with lru resize enabled
 - unlinked 0 (time 1745460444 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second