== sanity test 124b: lru resize (performance test) ================================================================================= 23:58:17 (1767329897)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2605 (time 1767329908.77 total 10.00 last 260.45)
 - open/close 4866 (time 1767329918.78 total 20.00 last 226.05)
 - open/close 7259 (time 1767329928.78 total 30.01 last 239.28)
total: 8000 open/close in 33.66 seconds: 237.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
400
 - unlinked 0 (time 1767330021 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2930 (time 1767330054.17 total 10.00 last 292.87)
 - open/close 5944 (time 1767330064.18 total 20.01 last 301.29)
total: 8000 open/close in 27.19 seconds: 294.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 4052
3955
ls -la is 16% faster with lru resize enabled
 - unlinked 0 (time 1767330151 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second