== sanity test 124b: lru resize (performance test) ================================================================================= 06:17:03 (1734434223)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3602 (time 1734434234.88 total 10.00 last 360.14)
 - open/close 7152 (time 1734434244.88 total 20.00 last 354.99)
total: 8000 open/close in 22.17 seconds: 360.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
 - unlinked 0 (time 1734434315 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
 - open/close 4564 (time 1734434342.69 total 10.00 last 456.37)
total: 8000 open/close in 17.08 seconds: 468.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 14 seconds
lru_size = 8005
ls -la is 78% faster with lru resize enabled
 - unlinked 0 (time 1734434368 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second