== sanity test 124b: lru resize (performance test) ================================================================================= 22:08:56 (1746151736)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1443 (time 1746151748.88 total 10.00 last 144.24)
 - open/close 2812 (time 1746151758.88 total 20.01 last 136.85)
 - open/close 4354 (time 1746151768.89 total 30.01 last 154.09)
 - open/close 5722 (time 1746151778.90 total 40.02 last 136.73)
 - open/close 7092 (time 1746151788.90 total 50.02 last 136.99)
total: 8000 open/close in 56.64 seconds: 141.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 400
 - unlinked 0 (time 1746151918 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second
 - open/close 1310 (time 1746151991.92 total 10.00 last 130.94)
 - open/close 2646 (time 1746152001.93 total 20.01 last 133.53)
 - open/close 3901 (time 1746152011.94 total 30.02 last 125.33)
 - open/close 5149 (time 1746152021.94 total 40.03 last 124.77)
 - open/close 6513 (time 1746152031.95 total 50.03 last 136.34)
 - open/close 7867 (time 1746152041.96 total 60.04 last 135.24)
total: 8000 open/close in 61.10 seconds: 130.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 37 seconds
lru_size = 8005
ls -la is 68% faster with lru resize enabled
 - unlinked 0 (time 1746152090 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second