== sanity test 124b: lru resize (performance test) ================================================================================= 03:50:31 (1727769031)
ldlm.namespaces.lustre-MDT0000-mdc-ffff880088183800.lru_size=400
 - open/close 1626 (time 1727769043.56 total 10.00 last 162.54)
 - open/close 2939 (time 1727769053.56 total 20.01 last 131.28)
 - open/close 4319 (time 1727769063.57 total 30.01 last 137.89)
 - open/close 5503 (time 1727769073.57 total 40.01 last 118.39)
 - open/close 6786 (time 1727769083.57 total 50.01 last 128.30)
total: 8000 open/close in 57.40 seconds: 139.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 126 seconds
lru_size = 400
 - unlinked 0 (time 1727769220 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff880088183800.lru_size=0
 - open/close 1154 (time 1727769283.94 total 10.01 last 115.33)
 - open/close 2312 (time 1727769293.94 total 20.01 last 115.71)
 - open/close 3793 (time 1727769303.95 total 30.02 last 148.06)
 - open/close 5520 (time 1727769313.95 total 40.02 last 172.63)
 - open/close 7113 (time 1727769323.95 total 50.02 last 159.30)
total: 8000 open/close in 56.50 seconds: 141.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 24 seconds
lru_size = 8006
ls -la is 80% faster with lru resize enabled
 - unlinked 0 (time 1727769360 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second