== sanity test 124b: lru resize (performance test) ================================================================================= 23:39:30 (1747798770)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 2302 (time 1747798782.03 total 10.00 last 230.16)
 - open/close 4594 (time 1747798792.03 total 20.00 last 229.15)
 - open/close 6875 (time 1747798802.03 total 30.01 last 228.01)
total: 8000 open/close in 34.92 seconds: 229.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 400
 - unlinked 0 (time 1747798917 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
 - open/close 2273 (time 1747798961.73 total 10.00 last 227.30)
 - open/close 4519 (time 1747798971.74 total 20.00 last 224.53)
 - open/close 6753 (time 1747798981.74 total 30.00 last 223.38)
total: 8000 open/close in 35.50 seconds: 225.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 18 seconds
lru_size = 8005
ls -la is 83% faster with lru resize enabled
 - unlinked 0 (time 1747799011 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second