== sanity test 124b: lru resize (performance test) ================================================================================= 18:52:45 (1746139965)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1216 (time 1746139978.12 total 10.00 last 121.54)
 - open/close 2323 (time 1746139988.13 total 20.01 last 110.62)
 - open/close 3563 (time 1746139998.14 total 30.02 last 123.91)
 - open/close 4711 (time 1746140008.14 total 40.03 last 114.71)
 - open/close 5834 (time 1746140018.14 total 50.03 last 112.30)
 - open/close 7003 (time 1746140028.15 total 60.03 last 116.88)
total: 8000 open/close in 68.43 seconds: 116.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 149 seconds
lru_size = 400
 - unlinked 0 (time 1746140190 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second
 - open/close 1119 (time 1746140262.73 total 10.00 last 111.85)
 - open/close 2306 (time 1746140272.73 total 20.01 last 118.63)
 - open/close 3463 (time 1746140282.73 total 30.01 last 115.69)
 - open/close 4748 (time 1746140292.74 total 40.02 last 128.42)
 - open/close 5935 (time 1746140302.74 total 50.02 last 118.67)
 - open/close 7199 (time 1746140312.75 total 60.02 last 126.35)
total: 8000 open/close in 66.89 seconds: 119.60 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 70% faster with lru resize enabled
 - unlinked 0 (time 1746140373 ; total 0 ; last 0)
total: 8000 unlinks in 40 seconds: 200.000000 unlinks/second