== sanity test 124b: lru resize (performance test) ================================================================================= 22:37:33 (1746153453)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1362 (time 1746153465.72 total 10.00 last 136.18)
 - open/close 2866 (time 1746153475.72 total 20.00 last 150.40)
 - open/close 4331 (time 1746153485.72 total 30.00 last 146.49)
 - open/close 5663 (time 1746153495.73 total 40.01 last 133.12)
 - open/close 7032 (time 1746153505.73 total 50.01 last 136.87)
total: 8000 open/close in 57.71 seconds: 138.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 125 seconds
lru_size = 400
 - unlinked 0 (time 1746153643 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second
 - open/close 1334 (time 1746153707.11 total 10.00 last 133.38)
 - open/close 2743 (time 1746153717.12 total 20.00 last 140.86)
 - open/close 4177 (time 1746153727.12 total 30.01 last 143.35)
 - open/close 5538 (time 1746153737.12 total 40.01 last 136.06)
 - open/close 6761 (time 1746153747.13 total 50.01 last 122.25)
total: 8000 open/close in 59.19 seconds: 135.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 42 seconds
lru_size = 8006
ls -la is 66% faster with lru resize enabled
 - unlinked 0 (time 1746153808 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second