== sanity test 124b: lru resize (performance test) ================================================================================= 08:32:38 (1721219558)
ldlm.namespaces.lustre-MDT0000-mdc-ffff880072d7d000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff880072d7d000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2590 (time 1721219569.75 total 10.00 last 258.97)
 - open/close 5225 (time 1721219579.75 total 20.00 last 263.48)
total: 8000 open/close in 29.50 seconds: 271.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 16 seconds
lru_size = 400
400
 - unlinked 0 (time 1721219608 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff880072d7d000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff880072d7d000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2762 (time 1721219644.34 total 10.00 last 276.12)
 - open/close 5477 (time 1721219654.35 total 20.00 last 271.45)
total: 8000 open/close in 28.65 seconds: 279.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 5 seconds
lru_size = 4006
4001
ls -la is 68% faster with lru resize enabled
 - unlinked 0 (time 1721219671 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second