== sanity test 124b: lru resize (performance test) ================================================================================= 13:08:23 (1776186503)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9dff87ec9000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9dff87ec9000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 709 (time 1776186518.46 total 10.00 last 70.88)
 - open/close 1457 (time 1776186528.47 total 20.02 last 74.65)
 - open/close 2198 (time 1776186538.48 total 30.02 last 74.09)
 - open/close 2912 (time 1776186548.48 total 40.02 last 71.40)
 - open/close 3585 (time 1776186558.49 total 50.04 last 67.20)
 - open/close 4150 (time 1776186568.51 total 60.06 last 56.38)
 - open/close 4810 (time 1776186578.52 total 70.07 last 65.94)
 - open/close 5495 (time 1776186588.52 total 80.07 last 68.50)
 - open/close 6046 (time 1776186598.52 total 90.07 last 55.08)
 - open/close 6677 (time 1776186608.53 total 100.08 last 63.03)
 - open/close 7241 (time 1776186618.55 total 110.09 last 56.34)
 - open/close 7923 (time 1776186628.56 total 120.10 last 68.13)
total: 8000 open/close in 121.48 seconds: 65.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 400
400
 - unlinked 0 (time 1776186731 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9dff87ec9000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9dff87ec9000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 673 (time 1776186860.18 total 10.02 last 67.19)
 - open/close 1312 (time 1776186870.19 total 20.02 last 63.88)
 - open/close 1959 (time 1776186880.19 total 30.02 last 64.68)
 - open/close 2660 (time 1776186890.20 total 40.03 last 70.01)
 - open/close 3196 (time 1776186900.21 total 50.04 last 53.55)
 - open/close 3882 (time 1776186910.22 total 60.05 last 68.52)
 - open/close 4508 (time 1776186920.23 total 70.07 last 62.53)
 - open/close 5195 (time 1776186930.24 total 80.07 last 68.66)
 - open/close 5827 (time 1776186940.24 total 90.08 last 63.17)
 - open/close 6447 (time 1776186950.24 total 100.08 last 62.00)
 - open/close 6893 (time 1776186960.25 total 110.09 last 44.55)
 - open/close 7383 (time 1776186970.26 total 120.10 last 48.95)
 - open/close 7808 (time 1776186980.27 total 130.10 last 42.48)
total: 8000 open/close in 134.60 seconds: 59.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4006
4001
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1776187046 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second