== sanity test 124b: lru resize (performance test) ================================================================================= 04:29:46 (1749544186)
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 5439 (time 1749544197.18 total 10.00 last 543.87)
total: 8000 open/close in 14.78 seconds: 541.24 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 1749544248 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5608 (time 1749544269.20 total 10.00 last 560.72)
total: 8000 open/close in 14.24 seconds: 561.62 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 1749544289 ; total 0 ; last 0)
total: 8000 unlinks in 8 seconds: 1000.000000 unlinks/second