== sanity test 124b: lru resize (performance test) ================================================================================= 01:32:34 (1735367554)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2277 (time 1735367566.17 total 10.00 last 227.67)
 - open/close 4535 (time 1735367576.18 total 20.01 last 225.70)
 - open/close 6759 (time 1735367586.18 total 30.01 last 222.32)
total: 8000 open/close in 35.62 seconds: 224.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 400
 - unlinked 0 (time 1735367699 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
 - open/close 2300 (time 1735367744.22 total 10.00 last 229.91)
 - open/close 4635 (time 1735367754.23 total 20.01 last 233.42)
 - open/close 6966 (time 1735367764.23 total 30.01 last 233.06)
total: 8000 open/close in 34.39 seconds: 232.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 24 seconds
lru_size = 8005
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1735367798 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second