== sanity test 124b: lru resize (performance test) ================================================================================= 19:31:09 (1776209469)
ldlm.namespaces.lustre-MDT0000-mdc-ffff926a08f6d800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff926a08f6d800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 663 (time 1776209485.45 total 10.01 last 66.26)
 - open/close 1412 (time 1776209495.45 total 20.01 last 74.85)
 - open/close 2201 (time 1776209505.46 total 30.02 last 78.84)
 - open/close 2853 (time 1776209515.47 total 40.03 last 65.14)
 - open/close 3523 (time 1776209525.47 total 50.03 last 66.97)
 - open/close 4222 (time 1776209535.48 total 60.04 last 69.87)
 - open/close 4959 (time 1776209545.48 total 70.04 last 73.66)
 - open/close 5707 (time 1776209555.50 total 80.06 last 74.70)
 - open/close 6491 (time 1776209565.50 total 90.06 last 78.37)
 - open/close 7319 (time 1776209575.51 total 100.07 last 82.70)
total: 8000 open/close in 108.31 seconds: 73.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1776209668 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff926a08f6d800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff926a08f6d800.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 718 (time 1776209790.51 total 10.01 last 71.74)
 - open/close 1368 (time 1776209800.51 total 20.01 last 64.97)
 - open/close 2134 (time 1776209810.53 total 30.03 last 76.50)
 - open/close 2912 (time 1776209820.53 total 40.03 last 77.80)
 - open/close 3665 (time 1776209830.54 total 50.04 last 75.17)
 - open/close 4454 (time 1776209840.54 total 60.04 last 78.90)
 - open/close 5231 (time 1776209850.55 total 70.05 last 77.68)
 - open/close 6032 (time 1776209860.55 total 80.05 last 80.08)
 - open/close 6852 (time 1776209870.56 total 90.06 last 81.94)
 - open/close 7581 (time 1776209880.56 total 100.06 last 72.87)
total: 8000 open/close in 105.05 seconds: 76.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 4006
4001
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1776209954 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second