== sanity test 124b: lru resize (performance test) ================================================================================= 07:18:56 (1781263136)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8be986b5a000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8be986b5a000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 625 (time 1781263152.41 total 10.02 last 62.37)
 - open/close 1171 (time 1781263162.44 total 20.05 last 54.45)
 - open/close 1776 (time 1781263172.44 total 30.05 last 60.47)
 - open/close 2514 (time 1781263182.46 total 40.07 last 73.67)
 - open/close 3085 (time 1781263192.46 total 50.07 last 57.09)
 - open/close 3632 (time 1781263202.47 total 60.08 last 54.67)
 - open/close 4159 (time 1781263212.47 total 70.08 last 52.68)
 - open/close 4584 (time 1781263222.48 total 80.09 last 42.45)
 - open/close 5149 (time 1781263232.49 total 90.10 last 56.46)
 - open/close 5672 (time 1781263242.51 total 100.12 last 52.18)
 - open/close 6310 (time 1781263252.54 total 110.15 last 63.63)
 - open/close 6923 (time 1781263262.56 total 120.17 last 61.18)
 - open/close 7453 (time 1781263272.60 total 130.21 last 52.78)
 - open/close 7939 (time 1781263282.60 total 140.22 last 48.58)
total: 8000 open/close in 141.52 seconds: 56.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
400
 - unlinked 0 (time 1781263397 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8be986b5a000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8be986b5a000.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 512 (time 1781263539.46 total 10.02 last 51.12)
 - open/close 1039 (time 1781263549.47 total 20.02 last 52.65)
 - open/close 1623 (time 1781263559.52 total 30.08 last 58.10)
 - open/close 2127 (time 1781263569.53 total 40.09 last 50.34)
 - open/close 2763 (time 1781263579.54 total 50.09 last 63.56)
 - open/close 3381 (time 1781263589.55 total 60.10 last 61.73)
 - open/close 4068 (time 1781263599.56 total 70.11 last 68.65)
 - open/close 4704 (time 1781263609.58 total 80.13 last 63.47)
 - open/close 5368 (time 1781263619.58 total 90.13 last 66.38)
 - open/close 5887 (time 1781263629.58 total 100.14 last 51.89)
 - open/close 6455 (time 1781263639.59 total 110.14 last 56.77)
 - open/close 7017 (time 1781263649.59 total 120.14 last 56.18)
 - open/close 7573 (time 1781263659.59 total 130.15 last 55.59)
total: 8000 open/close in 137.62 seconds: 58.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4052
3955
ls -la is 35% faster with lru resize enabled
 - unlinked 0 (time 1781263747 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second