== sanity test 124b: lru resize (performance test) ================================================================================= 10:45:19 (1746629119)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 4082 (time 1746629131.01 total 10.00 last 408.20)
total: 8000 open/close in 18.22 seconds: 439.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 400
400
 - unlinked 0 (time 1746629188 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4959 (time 1746629208.71 total 10.00 last 495.89)
total: 8000 open/close in 15.70 seconds: 509.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 12 seconds
lru_size = 4006
4001
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1746629230 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second