== sanity test 124b: lru resize (performance test) ================================================================================= 00:34:02 (1763357642)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1969 (time 1763357655.58 total 10.00 last 196.85)
 - open/close 3967 (time 1763357665.58 total 20.01 last 199.74)
 - open/close 6247 (time 1763357675.59 total 30.01 last 227.96)
total: 8000 open/close in 37.99 seconds: 210.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
 - unlinked 0 (time 1763357784 ; total 0 ; last 0)
total: 8000 unlinks in 34 seconds: 235.294113 unlinks/second
 - open/close 4048 (time 1763357830.78 total 10.01 last 404.35)
total: 8000 open/close in 19.51 seconds: 409.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 43 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1763357889 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second