== sanity test 124b: lru resize (performance test) ================================================================================= 06:17:23 (1730805443)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800aa5fb000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800aa5fb000.lru_size=400
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3452 (time 1730805455.10 total 10.00 last 345.20)
 - open/close 6897 (time 1730805465.11 total 20.00 last 344.42)
total: 8000 open/close in 23.68 seconds: 337.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 400
400
 - unlinked 0 (time 1730805541 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800aa5fb000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800aa5fb000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2728 (time 1730805577.31 total 10.00 last 272.70)
 - open/close 5144 (time 1730805587.32 total 20.01 last 241.54)
total: 8000 open/close in 29.19 seconds: 274.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1730805609 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second