== sanity test 124b: lru resize (performance test) ================================================================================= 10:23:06 (1736263386)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a7704800.lru_size=400
 - open/close 1388 (time 1736263398.58 total 10.00 last 138.77)
 - open/close 2764 (time 1736263408.59 total 20.01 last 137.43)
 - open/close 3925 (time 1736263418.59 total 30.02 last 116.09)
 - open/close 5149 (time 1736263428.59 total 40.02 last 122.39)
 - open/close 6395 (time 1736263438.59 total 50.02 last 124.60)
 - open/close 7818 (time 1736263448.59 total 60.02 last 142.28)
total: 8000 open/close in 61.23 seconds: 130.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 400
 - unlinked 0 (time 1736263501 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a7704800.lru_size=0
 - open/close 1627 (time 1736263555.42 total 10.01 last 162.61)
 - open/close 3607 (time 1736263565.42 total 20.01 last 197.93)
 - open/close 5626 (time 1736263575.43 total 30.02 last 201.73)
 - open/close 7821 (time 1736263585.44 total 40.02 last 219.38)
total: 8000 open/close in 41.00 seconds: 195.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 7 seconds
lru_size = 8005
ls -la is 86% faster with lru resize enabled
 - unlinked 0 (time 1736263596 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second