== sanity test 124b: lru resize (performance test) ================================================================================= 05:34:58 (1731753298)
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 2433 (time 1731753310.30 total 10.00 last 243.24)
 - open/close 4927 (time 1731753320.30 total 20.01 last 249.32)
 - open/close 7667 (time 1731753330.31 total 30.01 last 273.90)
total: 8000 open/close in 31.39 seconds: 254.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 400
400
 - unlinked 0 (time 1731753381 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3156 (time 1731753417.61 total 10.00 last 315.53)
 - open/close 5826 (time 1731753427.62 total 20.01 last 266.93)
total: 8000 open/close in 28.65 seconds: 279.27 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 1731753451 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second