== sanity test 124b: lru resize (performance test) ================================================================================= 03:23:30 (1786346610)
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 4548 (time 1786346625.42 total 10.00 last 454.75)
total: 8000 open/close in 17.59 seconds: 454.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
400
 - unlinked 0 (time 1786346708 ; total 0 ; last 0)
total: 8000 unlinks in 11 seconds: 727.272705 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 4588 (time 1786346730.53 total 10.00 last 458.80)
total: 8000 open/close in 17.10 seconds: 467.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 4006
4001
ls -la is 23% faster with lru resize enabled
 - unlinked 0 (time 1786346800 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second