== sanity test 124b: lru resize (performance test) ================================================================================= 01:05:33 (1761109533)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2202 (time 1761109545.33 total 10.00 last 220.14)
 - open/close 4432 (time 1761109555.34 total 20.01 last 222.91)
 - open/close 6216 (time 1761109565.34 total 30.01 last 178.35)
total: 8000 open/close in 37.97 seconds: 210.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
 - unlinked 0 (time 1761109677 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
 - open/close 3120 (time 1761109708.37 total 10.00 last 311.88)
 - open/close 5201 (time 1761109718.37 total 20.01 last 208.03)
 - open/close 7165 (time 1761109728.38 total 30.01 last 196.30)
total: 8000 open/close in 34.20 seconds: 233.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 8005
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1761109809 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second