== sanity test 124b: lru resize (performance test) ================================================================================= 14:24:24 (1726856664)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88007fa4c000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88007fa4c000.lru_size=400
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 5090 (time 1726856676.26 total 10.00 last 508.99)
total: 8000 open/close in 15.76 seconds: 507.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 400
400
 - unlinked 0 (time 1726856728 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88007fa4c000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88007fa4c000.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5073 (time 1726856755.41 total 10.00 last 507.27)
total: 8000 open/close in 15.64 seconds: 511.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4052
3955
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1726856775 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second