== sanity test 124b: lru resize (performance test) ================================================================================= 23:09:05 (1767326945)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3599 (time 1767326959.43 total 10.00 last 359.83)
 - open/close 6872 (time 1767326969.43 total 20.00 last 327.28)
total: 8000 open/close in 22.49 seconds: 355.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
 - unlinked 0 (time 1767327045 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
 - open/close 4921 (time 1767327067.81 total 10.00 last 492.09)
total: 8000 open/close in 15.95 seconds: 501.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1767327118 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second