== sanity test 124b: lru resize (performance test) ================================================================================= 12:25:51 (1736789151)
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 2736 (time 1736789163.33 total 10.00 last 273.56)
 - open/close 5265 (time 1736789173.34 total 20.00 last 252.85)
 - open/close 7816 (time 1736789183.34 total 30.01 last 255.05)
total: 8000 open/close in 30.60 seconds: 261.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 400
400
 - unlinked 0 (time 1736789251 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3366 (time 1736789274.53 total 10.00 last 336.57)
 - open/close 5852 (time 1736789284.53 total 20.00 last 248.54)
total: 8000 open/close in 27.40 seconds: 292.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4052
3955
ls -la is 86% faster with lru resize enabled
 - unlinked 0 (time 1736789307 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second