== sanity test 124b: lru resize (performance test) ================================================================================= 14:15:03 (1747851303)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3477 (time 1747851314.98 total 10.00 last 347.66)
 - open/close 6640 (time 1747851324.98 total 20.00 last 316.21)
total: 8000 open/close in 25.16 seconds: 317.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 400
 - unlinked 0 (time 1747851433 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
 - open/close 2613 (time 1747851469.88 total 10.00 last 261.28)
 - open/close 5152 (time 1747851479.88 total 20.00 last 253.89)
 - open/close 7791 (time 1747851489.88 total 30.00 last 263.84)
total: 8000 open/close in 30.83 seconds: 259.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 8005
ls -la is 90% faster with lru resize enabled
 - unlinked 0 (time 1747851506 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second