== sanity test 124b: lru resize (performance test) ================================================================================= 21:08:08 (1755047288)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2171 (time 1755047300.74 total 10.00 last 217.09)
 - open/close 4254 (time 1755047310.74 total 20.00 last 208.23)
 - open/close 5719 (time 1755047320.76 total 30.02 last 146.21)
 - open/close 6563 (time 1755047330.77 total 40.03 last 84.38)
total: 8000 open/close in 47.29 seconds: 169.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 400
 - unlinked 0 (time 1755047430 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
 - open/close 2187 (time 1755047463.95 total 10.00 last 218.64)
 - open/close 4236 (time 1755047473.95 total 20.00 last 204.88)
 - open/close 6342 (time 1755047483.95 total 30.01 last 210.52)
total: 8000 open/close in 37.85 seconds: 211.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 8005
ls -la is 18% faster with lru resize enabled
 - unlinked 0 (time 1755047574 ; total 1 ; last 1)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second