== sanity test 124b: lru resize (performance test) ================================================================================= 13:07:57 (1744132077)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2529 (time 1744132088.57 total 10.00 last 252.90)
 - open/close 4998 (time 1744132098.57 total 20.00 last 246.88)
 - open/close 7569 (time 1744132108.57 total 30.00 last 257.06)
total: 8000 open/close in 31.20 seconds: 256.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 400
400
 - unlinked 0 (time 1744132167 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5600 (time 1744132187.92 total 10.00 last 559.96)
total: 8000 open/close in 14.55 seconds: 549.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 12 seconds
lru_size = 4052
3955
ls -la is 78% faster with lru resize enabled
 - unlinked 0 (time 1744132208 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second