== sanity test 124b: lru resize (performance test) ================================================================================= 17:41:04 (1776202864)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9f35083e2800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9f35083e2800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 879 (time 1776202878.59 total 10.00 last 87.86)
 - open/close 1662 (time 1776202888.60 total 20.01 last 78.28)
 - open/close 2505 (time 1776202898.60 total 30.01 last 84.24)
 - open/close 3302 (time 1776202908.63 total 40.04 last 79.50)
 - open/close 4077 (time 1776202918.63 total 50.05 last 77.45)
 - open/close 4768 (time 1776202928.65 total 60.06 last 69.02)
 - open/close 5440 (time 1776202938.65 total 70.07 last 67.15)
 - open/close 6235 (time 1776202948.66 total 80.07 last 79.47)
 - open/close 7080 (time 1776202958.67 total 90.08 last 84.41)
 - open/close 7866 (time 1776202968.67 total 100.08 last 78.58)
total: 8000 open/close in 101.82 seconds: 78.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
400
 - unlinked 0 (time 1776203066 ; total 0 ; last 0)
total: 8000 unlinks in 98 seconds: 81.632652 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9f35083e2800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9f35083e2800.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 839 (time 1776203177.64 total 10.00 last 83.90)
 - open/close 1758 (time 1776203187.64 total 20.00 last 91.86)
 - open/close 2609 (time 1776203197.65 total 30.01 last 85.03)
 - open/close 3416 (time 1776203207.67 total 40.03 last 80.55)
 - open/close 4455 (time 1776203217.68 total 50.04 last 103.82)
 - open/close 5481 (time 1776203227.69 total 60.05 last 102.52)
 - open/close 6435 (time 1776203237.69 total 70.05 last 95.39)
 - open/close 7262 (time 1776203247.69 total 80.05 last 82.65)
total: 8000 open/close in 89.75 seconds: 89.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4006
4001
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1776203313 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second