== sanity test 124b: lru resize (performance test) ================================================================================= 23:04:52 (1767326692)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4035 (time 1767326705.50 total 10.00 last 403.43)
 - open/close 7763 (time 1767326715.50 total 20.00 last 372.74)
total: 8000 open/close in 20.49 seconds: 390.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 400
400
 - unlinked 0 (time 1767326800 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4679 (time 1767326822.28 total 10.00 last 467.86)
total: 8000 open/close in 17.40 seconds: 459.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4052
3955
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1767326901 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second