== sanity test 124b: lru resize (performance test) ================================================================================= 16:45:15 (1746132315)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2289 (time 1746132327.62 total 10.00 last 228.81)
 - open/close 4706 (time 1746132337.63 total 20.01 last 241.66)
 - open/close 6677 (time 1746132347.63 total 30.01 last 196.96)
total: 8000 open/close in 35.93 seconds: 222.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 400
 - unlinked 0 (time 1746132459 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second
 - open/close 2435 (time 1746132493.85 total 10.00 last 243.45)
 - open/close 4242 (time 1746132503.85 total 20.00 last 180.68)
 - open/close 6591 (time 1746132513.85 total 30.00 last 234.86)
total: 8000 open/close in 34.95 seconds: 228.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 18 seconds
lru_size = 8006
ls -la is 82% faster with lru resize enabled
 - unlinked 0 (time 1746132542 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second