== sanity test 124b: lru resize (performance test) ================================================================================= 15:15:32 (1715454932)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a8a36800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a8a36800.lru_size=400
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2549 (time 1715454944.30 total 10.00 last 254.81)
 - open/close 5769 (time 1715454954.30 total 20.00 last 321.96)
total: 8000 open/close in 28.88 seconds: 276.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 5 seconds
lru_size = 400
400
 - unlinked 0 (time 1715454971 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a8a36800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a8a36800.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2580 (time 1715455011.07 total 10.00 last 258.00)
 - open/close 5063 (time 1715455021.07 total 20.00 last 248.27)
 - open/close 7662 (time 1715455031.07 total 30.00 last 259.87)
total: 8000 open/close in 31.28 seconds: 255.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 6 seconds
lru_size = 4007
4001
ls -la is 20% slower with lru resize enabled
 - unlinked 0 (time 1715455041 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second