== sanity test 124b: lru resize (performance test) ================================================================================= 22:15:11 (1723256111)
ldlm.namespaces.lustre-MDT0000-mdc-ffff880084b6f000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff880084b6f000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 5084 (time 1723256122.12 total 10.00 last 508.37)
total: 8000 open/close in 15.63 seconds: 511.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 400
400
 - unlinked 0 (time 1723256177 ; total 0 ; last 0)
total: 8000 unlinks in 14 seconds: 571.428589 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff880084b6f000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff880084b6f000.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5460 (time 1723256202.84 total 10.00 last 545.92)
total: 8000 open/close in 14.72 seconds: 543.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4006
4001
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1723256222 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second