== sanity test 124b: lru resize (performance test) ================================================================================= 07:24:16 (1717154656)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a8775000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a8775000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3692 (time 1717154667.69 total 10.00 last 369.11)
 - open/close 7104 (time 1717154677.70 total 20.00 last 341.16)
total: 8000 open/close in 21.61 seconds: 370.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 12 seconds
lru_size = 400
400
 - unlinked 0 (time 1717154693 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a8775000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a8775000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4167 (time 1717154725.06 total 10.00 last 416.59)
total: 8000 open/close in 16.69 seconds: 479.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 6 seconds
lru_size = 4006
4001
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1717154739 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second