== sanity test 124b: lru resize (performance test) ================================================================================= 14:14:41 (1776190481)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9bbad011f000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9bbad011f000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 875 (time 1776190495.69 total 10.01 last 87.46)
 - open/close 1655 (time 1776190505.70 total 20.01 last 77.97)
 - open/close 2576 (time 1776190515.70 total 30.02 last 92.03)
 - open/close 3433 (time 1776190525.71 total 40.02 last 85.68)
 - open/close 4237 (time 1776190535.72 total 50.03 last 80.33)
 - open/close 5075 (time 1776190545.72 total 60.03 last 83.78)
 - open/close 6038 (time 1776190555.72 total 70.03 last 96.30)
 - open/close 6859 (time 1776190565.72 total 80.03 last 82.05)
 - open/close 7711 (time 1776190575.72 total 90.03 last 85.19)
total: 8000 open/close in 93.00 seconds: 86.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 400
400
 - unlinked 0 (time 1776190671 ; total 1 ; last 1)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9bbad011f000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9bbad011f000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 859 (time 1776190792.37 total 10.01 last 85.84)
 - open/close 1624 (time 1776190802.38 total 20.02 last 76.42)
 - open/close 2454 (time 1776190812.38 total 30.02 last 82.95)
 - open/close 3325 (time 1776190822.39 total 40.02 last 87.09)
 - open/close 4141 (time 1776190832.40 total 50.04 last 81.50)
 - open/close 4988 (time 1776190842.40 total 60.04 last 84.69)
 - open/close 5759 (time 1776190852.40 total 70.04 last 77.06)
 - open/close 6741 (time 1776190862.41 total 80.05 last 98.12)
 - open/close 7717 (time 1776190872.42 total 90.06 last 97.50)
total: 8000 open/close in 93.10 seconds: 85.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 4006
4001
ls -la is 35% faster with lru resize enabled
 - unlinked 0 (time 1776190942 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second