== sanity test 124b: lru resize (performance test) ================================================================================= 12:21:26 (1761322886)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8f0190152800.lru_size=400
 - open/close 1195 (time 1761322898.61 total 10.00 last 119.47)
 - open/close 2267 (time 1761322908.61 total 20.01 last 107.17)
 - open/close 3366 (time 1761322918.61 total 30.01 last 109.87)
 - open/close 4405 (time 1761322928.62 total 40.01 last 103.86)
 - open/close 5485 (time 1761322938.62 total 50.02 last 107.95)
 - open/close 6811 (time 1761322948.63 total 60.02 last 132.52)
total: 8000 open/close in 67.80 seconds: 118.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 400
 - unlinked 0 (time 1761322999 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8f0190152800.lru_size=0
 - open/close 853 (time 1761323086.65 total 10.00 last 85.26)
 - open/close 1747 (time 1761323096.66 total 20.01 last 89.33)
 - open/close 2630 (time 1761323106.67 total 30.03 last 88.19)
 - open/close 3541 (time 1761323116.67 total 40.03 last 91.10)
 - open/close 4488 (time 1761323126.68 total 50.03 last 94.66)
 - open/close 5377 (time 1761323136.68 total 60.04 last 88.84)
 - open/close 6159 (time 1761323146.69 total 70.04 last 78.17)
 - open/close 7120 (time 1761323156.70 total 80.05 last 96.02)
total: 8000 open/close in 89.66 seconds: 89.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 28 seconds
lru_size = 8005
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1761323201 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second