== sanity test 124b: lru resize (performance test) ================================================================================= 01:39:16 (1734676756)
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 2423 (time 1734676768.44 total 10.00 last 242.19)
 - open/close 5476 (time 1734676778.44 total 20.01 last 305.23)
total: 8000 open/close in 29.70 seconds: 269.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 57 seconds
lru_size = 400
400
 - unlinked 0 (time 1734676848 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2100 (time 1734676879.29 total 10.00 last 209.92)
 - open/close 4678 (time 1734676889.29 total 20.00 last 257.78)
 - open/close 7484 (time 1734676899.29 total 30.01 last 280.55)
total: 8000 open/close in 31.66 seconds: 252.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 15 seconds
lru_size = 4006
4001
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1734676921 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second