== sanity test 124b: lru resize (performance test) ================================================================================= 01:08:49 (1787893729)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 812 (time 1787893744.16 total 10.01 last 81.13)
 - open/close 1691 (time 1787893754.16 total 20.01 last 87.86)
 - open/close 2584 (time 1787893764.17 total 30.02 last 89.24)
 - open/close 3464 (time 1787893774.17 total 40.02 last 88.00)
 - open/close 4343 (time 1787893784.17 total 50.02 last 87.89)
 - open/close 5266 (time 1787893794.18 total 60.03 last 92.19)
 - open/close 6126 (time 1787893804.18 total 70.03 last 86.00)
 - open/close 6950 (time 1787893814.20 total 80.05 last 82.26)
 - open/close 7723 (time 1787893824.21 total 90.06 last 77.22)
total: 8000 open/close in 93.33 seconds: 85.72 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 1787893911 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 842 (time 1787894019.33 total 10.01 last 84.15)
 - open/close 1726 (time 1787894029.33 total 20.01 last 88.35)
 - open/close 2599 (time 1787894039.33 total 30.01 last 87.28)
 - open/close 3431 (time 1787894049.34 total 40.02 last 83.14)
 - open/close 4284 (time 1787894059.35 total 50.03 last 85.23)
 - open/close 5104 (time 1787894069.36 total 60.04 last 81.94)
 - open/close 5961 (time 1787894079.36 total 70.04 last 85.67)
 - open/close 6892 (time 1787894089.37 total 80.05 last 93.04)
 - open/close 7764 (time 1787894099.37 total 90.05 last 87.17)
total: 8000 open/close in 92.86 seconds: 86.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 4006
4001
ls -la is 5% faster with lru resize enabled
 - unlinked 0 (time 1787894192 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second