== sanity test 124b: lru resize (performance test) ================================================================================= 14:08:05 (1744049285)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2378 (time 1744049296.66 total 10.00 last 237.72)
 - open/close 4710 (time 1744049306.67 total 20.01 last 233.11)
 - open/close 7060 (time 1744049316.67 total 30.01 last 234.91)
total: 8000 open/close in 34.00 seconds: 235.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
400
 - unlinked 0 (time 1744049394 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2540 (time 1744049423.04 total 10.00 last 253.98)
 - open/close 4900 (time 1744049433.05 total 20.00 last 235.92)
 - open/close 7351 (time 1744049443.05 total 30.00 last 245.08)
total: 8000 open/close in 32.77 seconds: 244.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1744049461 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second