== sanity test 124b: lru resize (performance test) ================================================================================= 11:43:53 (1761320633)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9332e040d000.lru_size=400
 - open/close 1168 (time 1761320645.56 total 10.00 last 116.77)
 - open/close 2319 (time 1761320655.57 total 20.00 last 115.09)
 - open/close 3420 (time 1761320665.57 total 30.01 last 110.06)
 - open/close 4385 (time 1761320675.57 total 40.01 last 96.46)
 - open/close 5610 (time 1761320685.58 total 50.01 last 122.48)
 - open/close 6647 (time 1761320695.58 total 60.01 last 103.69)
 - open/close 7618 (time 1761320705.58 total 70.02 last 97.06)
total: 8000 open/close in 74.73 seconds: 107.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 400
 - unlinked 0 (time 1761320767 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9332e040d000.lru_size=0
 - open/close 1015 (time 1761320841.33 total 10.00 last 101.50)
 - open/close 2109 (time 1761320851.33 total 20.00 last 109.36)
 - open/close 3121 (time 1761320861.35 total 30.02 last 101.06)
 - open/close 4151 (time 1761320871.35 total 40.02 last 102.96)
 - open/close 5294 (time 1761320881.35 total 50.02 last 114.28)
 - open/close 6383 (time 1761320891.36 total 60.03 last 108.87)
 - open/close 7839 (time 1761320901.36 total 70.03 last 145.55)
total: 8000 open/close in 71.18 seconds: 112.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 16 seconds
lru_size = 8005
ls -la is 68% faster with lru resize enabled
 - unlinked 0 (time 1761320924 ; total 1 ; last 1)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second