== sanity test 124b: lru resize (performance test) ================================================================================= 17:36:56 (1746135416)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1406 (time 1746135428.67 total 10.00 last 140.57)
 - open/close 2819 (time 1746135438.67 total 20.01 last 141.21)
 - open/close 4061 (time 1746135448.68 total 30.01 last 124.15)
 - open/close 5245 (time 1746135458.68 total 40.02 last 118.33)
 - open/close 6408 (time 1746135468.69 total 50.02 last 116.27)
 - open/close 7509 (time 1746135478.69 total 60.03 last 110.03)
total: 8000 open/close in 63.94 seconds: 125.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 144 seconds
lru_size = 400
 - unlinked 0 (time 1746135630 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second
 - open/close 1254 (time 1746135705.24 total 10.00 last 125.38)
 - open/close 2684 (time 1746135715.25 total 20.01 last 142.85)
 - open/close 4042 (time 1746135725.25 total 30.01 last 135.78)
 - open/close 5086 (time 1746135735.25 total 40.02 last 104.38)
 - open/close 6223 (time 1746135745.27 total 50.03 last 113.53)
 - open/close 7419 (time 1746135755.27 total 60.03 last 119.55)
total: 8000 open/close in 65.28 seconds: 122.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 8006
ls -la is 69% faster with lru resize enabled
 - unlinked 0 (time 1746135814 ; total 0 ; last 0)
total: 8000 unlinks in 38 seconds: 210.526321 unlinks/second