== sanity test 124b: lru resize (performance test) ================================================================================= 13:15:52 (1744132552)
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 3555 (time 1744132563.69 total 10.00 last 355.45)
 - open/close 6678 (time 1744132573.69 total 20.00 last 312.30)
total: 8000 open/close in 24.07 seconds: 332.42 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 1744132626 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2998 (time 1744132652.55 total 10.00 last 299.75)
 - open/close 6119 (time 1744132662.55 total 20.00 last 312.10)
total: 8000 open/close in 27.17 seconds: 294.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4006
4001
ls -la is 78% faster with lru resize enabled
 - unlinked 0 (time 1744132686 ; total 1 ; last 1)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second