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https://issues.apache.org/jira/browse/CLOUDSTACK-4488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13749784#comment-13749784
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terryye commented on CLOUDSTACK-4488:
-------------------------------------
when i set global setting is 1000.
mount nfs and test is :
time dd if=/dev/zero of=testfile bs=8k count=10240
记录了10240+0 的读入
记录了10240+0 的写出
83886080字节(84 MB)已复制，43.5254 秒，1.9 MB/秒
> There have some error on bandwidth limits. vm's network speed is 800kbyte/s.
> ----------------------------------------------------------------------------
>
> Key: CLOUDSTACK-4488
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4488
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Hypervisor Controller, KVM, Network Controller
> Affects Versions: 4.1.2
> Environment: ubuntu1204 kvm
> Reporter: terryye
> Labels: bandwidth, kvm, limits
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> Global configs
> network.throttling.rate 40000
>
> vm.network.throttling.rate 40000
> rate limits is not set.
> But i test the vm to another nfs ,speed is so poor.
> Using wget to test ,the speed is similar.
> so i edit the global config,but it seems not any role.
> when i set it to 100000000,the vm can not be created.
> agent log is :
> 2013-08-25 15:07:54,032 WARN [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-3:null) Exception
> org.libvirt.LibvirtException: internal error cannot set bandwidth limits on
> vnet0
> at org.libvirt.ErrorHandler.processError(Unknown Source)
> at org.libvirt.Connect.processError(Unknown Source)
> at org.libvirt.Connect.domainCreateXML(Unknown Source)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.startDomain(LibvirtComputingResource.java:1012)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3148)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1128)
> at com.cloud.agent.Agent.processRequest(Agent.java:525)
> at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:852)
> at com.cloud.utils.nio.Task.run(Task.java:83)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:679)
> 2013-08-25 15:08:05,252 WARN [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-1:null) Exception
> org.libvirt.LibvirtException: internal error cannot set bandwidth limits on
> vnet0
> at org.libvirt.ErrorHandler.processError(Unknown Source)
> at org.libvirt.Connect.processError(Unknown Source)
> at org.libvirt.Connect.domainCreateXML(Unknown Source)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.startDomain(LibvirtComputingResource.java:1012)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3148)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1128)
> at com.cloud.agent.Agent.processRequest(Agent.java:525)
> at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:852)
> at com.cloud.utils.nio.Task.run(Task.java:83)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:679)
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