== sanity test 124b: lru resize (performance test) ================================================================================= 03:55:03 (1769763303)
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 4573 (time 1769763317.57 total 10.00 last 457.22)
total: 8000 open/close in 17.26 seconds: 463.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 400
400
 - unlinked 0 (time 1769763408 ; 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 4443 (time 1769763431.30 total 10.00 last 444.26)
total: 8000 open/close in 18.65 seconds: 429.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 4006
4001
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1769763500 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second