[Bug 1639932] Re: cpu constraints not being applied
James Page
james.page at ubuntu.com
Tue Nov 8 14:33:03 UTC 2016
5 core LXD - 10 copies
------------------------------------------------------------------------
Benchmark Run: Tue Nov 08 2016 13:54:48 - 14:24:40
5 CPUs in system; running 10 parallel copies of tests
Dhrystone 2 using register variables 164210758.1 lps (10.0 s, 7 samples)
Double-Precision Whetstone 24005.9 MWIPS (9.9 s, 7 samples)
Execl Throughput 24406.9 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1037110.0 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 283484.2 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2941636.5 KBps (30.0 s, 2 samples)
Pipe Throughput 9318487.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 1423460.9 lps (10.0 s, 7 samples)
Process Creation 59959.1 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 38400.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 5164.8 lpm (60.1 s, 2 samples)
System Call Overhead 6473343.6 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 164210758.1 14071.2
Double-Precision Whetstone 55.0 24005.9 4364.7
Execl Throughput 43.0 24406.9 5676.0
File Copy 1024 bufsize 2000 maxblocks 3960.0 1037110.0 2619.0
File Copy 256 bufsize 500 maxblocks 1655.0 283484.2 1712.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 2941636.5 5071.8
Pipe Throughput 12440.0 9318487.9 7490.7
Pipe-based Context Switching 4000.0 1423460.9 3558.7
Process Creation 126.0 59959.1 4758.7
Shell Scripts (1 concurrent) 42.4 38400.8 9056.8
Shell Scripts (8 concurrent) 6.0 5164.8 8608.0
System Call Overhead 15000.0 6473343.6 4315.6
========
System Benchmarks Index Score 5138.0
That's pretty much the same index score as with 5 copies
--
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https://bugs.launchpad.net/bugs/1639932
Title:
cpu constraints not being applied
Status in nova-lxd package in Ubuntu:
New
Bug description:
When lxd containers are launched, CPU constraints are either not being
applied or not being honored by the server/hypervisor
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