== sanity test 124b: lru resize (performance test) ================================================================================= 23:50:01 (1717559401)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6ee4800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b6ee4800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3919 (time 1717559413.20 total 10.00 last 391.87)
 - open/close 7977 (time 1717559423.21 total 20.00 last 405.74)
total: 8000 open/close in 20.05 seconds: 399.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 6 seconds
lru_size = 400
400
 - unlinked 0 (time 1717559430 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6ee4800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800b6ee4800.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4810 (time 1717559460.79 total 10.00 last 480.99)
total: 8000 open/close in 18.04 seconds: 443.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 5 seconds
lru_size = 4052
3955
ls -la is 16% faster with lru resize enabled
 - unlinked 0 (time 1717559476 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second