== sanity test 124b: lru resize (performance test) ================================================================================= 17:23:55 (1718400235)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012e6f4800.lru_size=400
 - open/close 1796 (time 1718400246.45 total 10.00 last 179.58)
 - open/close 3661 (time 1718400256.45 total 20.00 last 186.43)
 - open/close 5750 (time 1718400266.46 total 30.01 last 208.84)
 - open/close 7547 (time 1718400276.46 total 40.01 last 179.64)
total: 8000 open/close in 42.98 seconds: 186.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 46 seconds
lru_size = 400
 - unlinked 0 (time 1718400328 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012e6f4800.lru_size=0
 - open/close 2654 (time 1718400368.55 total 10.00 last 265.39)
 - open/close 5893 (time 1718400378.55 total 20.01 last 323.70)
total: 8000 open/close in 27.45 seconds: 291.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 5 seconds
lru_size = 8005
ls -la is 89% faster with lru resize enabled
 - unlinked 0 (time 1718400394 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second