== sanity test 124b: lru resize (performance test) ================================================================================= 07:41:09 (1743507669)
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 2273 (time 1743507684.67 total 10.00 last 227.30)
 - open/close 4559 (time 1743507694.68 total 20.00 last 228.51)
 - open/close 6870 (time 1743507704.68 total 30.01 last 231.06)
total: 8000 open/close in 35.03 seconds: 228.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 117 seconds
lru_size = 400
400
 - unlinked 0 (time 1743507835 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2309 (time 1743507881.99 total 10.00 last 230.89)
 - open/close 4648 (time 1743507891.99 total 20.00 last 233.83)
 - open/close 6991 (time 1743507902.00 total 30.01 last 234.23)
total: 8000 open/close in 34.10 seconds: 234.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 4006
4001
ls -la is 23% faster with lru resize enabled
 - unlinked 0 (time 1743508016 ; total 0 ; last 0)
total: 8000 unlinks in 26 seconds: 307.692322 unlinks/second