== sanity test 124b: lru resize (performance test) ================================================================================= 11:14:22 (1761318862)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9b8642e95800.lru_size=400
 - open/close 998 (time 1761318874.29 total 10.01 last 99.72)
 - open/close 2116 (time 1761318884.30 total 20.01 last 111.76)
 - open/close 3120 (time 1761318894.30 total 30.02 last 100.34)
 - open/close 4166 (time 1761318904.30 total 40.02 last 104.56)
 - open/close 5101 (time 1761318914.31 total 50.03 last 93.42)
 - open/close 6311 (time 1761318924.32 total 60.04 last 120.93)
 - open/close 7496 (time 1761318934.33 total 70.04 last 118.40)
total: 8000 open/close in 75.56 seconds: 105.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 400
 - unlinked 0 (time 1761318991 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9b8642e95800.lru_size=0
 - open/close 1177 (time 1761319073.55 total 10.01 last 117.58)
 - open/close 2251 (time 1761319083.55 total 20.02 last 107.35)
 - open/close 3334 (time 1761319093.56 total 30.02 last 108.24)
 - open/close 4850 (time 1761319103.56 total 40.02 last 151.58)
 - open/close 6426 (time 1761319113.56 total 50.03 last 157.52)
 - open/close 7683 (time 1761319123.57 total 60.03 last 125.64)
total: 8000 open/close in 61.87 seconds: 129.30 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 61% faster with lru resize enabled
 - unlinked 0 (time 1761319148 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second