== sanity test 124b: lru resize (performance test) ================================================================================= 23:44:33 (1722483873)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a78c2800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a78c2800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2586 (time 1722483884.34 total 10.00 last 258.51)
 - open/close 5101 (time 1722483894.34 total 20.00 last 251.48)
 - open/close 7642 (time 1722483904.34 total 30.00 last 254.09)
total: 8000 open/close in 31.39 seconds: 254.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 20 seconds
lru_size = 400
400
 - unlinked 0 (time 1722483928 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a78c2800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a78c2800.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3064 (time 1722483968.00 total 10.00 last 306.38)
 - open/close 6179 (time 1722483978.00 total 20.00 last 311.49)
total: 8000 open/close in 26.74 seconds: 299.19 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 75% faster with lru resize enabled
 - unlinked 0 (time 1722483993 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second