== sanity test 124b: lru resize (performance test) ================================================================================= 02:56:38 (1724309798)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6cbf800.lru_size=400
 - open/close 1354 (time 1724309810.32 total 10.01 last 135.33)
 - open/close 2702 (time 1724309820.32 total 20.01 last 134.75)
 - open/close 4396 (time 1724309830.33 total 30.01 last 169.37)
 - open/close 6496 (time 1724309840.33 total 40.01 last 209.98)
 - open/close 7912 (time 1724309850.33 total 50.02 last 141.50)
total: 8000 open/close in 50.79 seconds: 157.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 146 seconds
lru_size = 400
 - unlinked 0 (time 1724310000 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800b6cbf800.lru_size=0
 - open/close 1094 (time 1724310083.66 total 10.00 last 109.40)
 - open/close 2233 (time 1724310093.66 total 20.01 last 113.82)
 - open/close 3295 (time 1724310103.67 total 30.01 last 106.13)
 - open/close 4360 (time 1724310113.68 total 40.02 last 106.40)
 - open/close 5418 (time 1724310123.68 total 50.03 last 105.77)
 - open/close 6534 (time 1724310133.68 total 60.03 last 111.59)
 - open/close 7780 (time 1724310143.69 total 70.04 last 124.50)
total: 8000 open/close in 71.81 seconds: 111.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 39 seconds
lru_size = 8005
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1724310192 ; total 0 ; last 0)
total: 8000 unlinks in 39 seconds: 205.128204 unlinks/second