== sanity test 124b: lru resize (performance test) ================================================================================= 17:53:09 (1776203589)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8d07cb14e800.lru_size=400
 - open/close 615 (time 1776203604.84 total 10.01 last 61.46)
 - open/close 1310 (time 1776203614.84 total 20.01 last 69.46)
 - open/close 2077 (time 1776203624.86 total 30.03 last 76.56)
 - open/close 2940 (time 1776203634.87 total 40.04 last 86.25)
 - open/close 3760 (time 1776203644.88 total 50.05 last 81.91)
 - open/close 4521 (time 1776203654.91 total 60.08 last 75.87)
 - open/close 5337 (time 1776203664.92 total 70.09 last 81.53)
 - open/close 6056 (time 1776203674.92 total 80.09 last 71.87)
 - open/close 6758 (time 1776203684.94 total 90.10 last 70.10)
 - open/close 7532 (time 1776203694.94 total 100.10 last 77.40)
total: 8000 open/close in 107.14 seconds: 74.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 400
 - unlinked 0 (time 1776203793 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8d07cb14e800.lru_size=0
 - open/close 852 (time 1776203908.08 total 10.00 last 85.17)
 - open/close 1726 (time 1776203918.09 total 20.01 last 87.34)
 - open/close 2571 (time 1776203928.09 total 30.01 last 84.49)
 - open/close 3381 (time 1776203938.10 total 40.01 last 80.98)
 - open/close 4186 (time 1776203948.11 total 50.03 last 80.41)
 - open/close 5051 (time 1776203958.11 total 60.03 last 86.47)
 - open/close 5880 (time 1776203968.12 total 70.04 last 82.83)
 - open/close 6716 (time 1776203978.13 total 80.05 last 83.51)
 - open/close 7349 (time 1776203988.13 total 90.05 last 63.28)
total: 8000 open/close in 98.38 seconds: 81.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1776204056 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second