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https://issues.apache.org/jira/browse/CLOUDSTACK-9094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15050371#comment-15050371
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ASF GitHub Bot commented on CLOUDSTACK-9094:
--------------------------------------------
Github user DaanHoogland commented on the pull request:
https://github.com/apache/cloudstack/pull/1140#issuecomment-163537454
@wilderrodrigues it was merged before the freeze so I didn't revert it as
RM. But you are right about the not being tested.
> Multiple threads are being used to collect the stats from the same VR
> ---------------------------------------------------------------------
>
> Key: CLOUDSTACK-9094
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9094
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server, Virtual Router
> Affects Versions: 4.6.0
> Reporter: Harikrishna Patnala
> Assignee: Harikrishna Patnala
> Fix For: 4.7.0
>
>
> From the logs we can see that the management server is sending the
> networkusagecommand to a VR twice within a very short interval. This doesn't
> have any impact on the network usage being reported, however it seems to
> consume direct agent threads unnecessarily.
> See the below snippet from the logs where networkusage command was sent to
> the same VR at the same time
> 2014-03-04 00:02:07,178 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-113:null) Seq 10-1242718973: Executing request
> 2014-03-04 00:02:07,482 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-113:null) Seq 10-1242718973: Response Received:
> 2014-03-04 00:02:07,482 DEBUG [agent.transport.Request]
> (DirectAgent-113:null) Seq 10-1242718973: Processing: { Ans: , MgmtId:
> 144027776315500, via: 10, Ver: v1, Flags: 10,
> [{"com.cloud.agent.api.NetworkUsageAnswer":{"routerName":"r-59-VM","bytesSent":2937782,"bytesReceived":114175352,"result":true,"details":"","wait":0}}]
> }
> 2014-03-04 00:02:07,482 DEBUG [agent.transport.Request]
> (RouterMonitor-1:null) Seq 10-1242718973: Received: { Ans: , MgmtId:
> 144027776315500, via: 10, Ver: v1, Flags: 10, { NetworkUsageAnswer } }
> 2014-03-04 00:02:07,482 DEBUG [agent.manager.AgentManagerImpl]
> (RouterMonitor-1:null) Details from executing class
> com.cloud.agent.api.NetworkUsageCommand:
> 2014-03-04 00:02:07,198 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-244:null) Seq 10-1242718974: Executing request
> 2014-03-04 00:02:07,510 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-244:null) Seq 10-1242718974: Response Received:
> 2014-03-04 00:02:07,510 DEBUG [agent.transport.Request]
> (DirectAgent-244:null) Seq 10-1242718974: Processing: { Ans: , MgmtId:
> 144027776315500, via: 10, Ver: v1, Flags: 10,
> [{"com.cloud.agent.api.NetworkUsageAnswer":{"routerName":"r-59-VM","bytesSent":2937782,"bytesReceived":114175352,"result":true,"details":"","wait":0}}]
> }
> 2014-03-04 00:02:07,510 DEBUG [agent.transport.Request]
> (RouterMonitor-1:null) Seq 10-1242718974: Received: { Ans: , MgmtId:
> 144027776315500, via: 10, Ver: v1, Flags: 10, { NetworkUsageAnswer } }
> 2014-03-04 00:02:07,510 DEBUG [agent.manager.AgentManagerImpl]
> (RouterMonitor-1:null) Details from executing class
> com.cloud.agent.api.NetworkUsageCommand:
> 2014-03-04 00:02:07,513 DEBUG
> [network.router.VirtualNetworkApplianceManagerImpl] (RouterMonitor-1:null)
> Router stats changed from the time NetworkUsageCommand was sent. Ignoring
> current answer. Router: r-59-VM Rcvd: 114175352Sent: 2937782
> 2014-03-04 00:02:07,514 DEBUG [db.Transaction.Transaction]
> (RouterMonitor-1:null) Rolling back the transaction: Time = 2 Name =
> -VirtualNetworkApplianceManagerImpl$NetworkUsageTask.run:900-Executors$RunnableAdapter.call:471-FutureTask$Sync.innerRunAndReset:351-FutureTask.runAndReset:178-ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201:165-ScheduledThreadPoolExecutor$ScheduledFutureTask.run:267-ThreadPoolExecutor.runWorker:1146-ThreadPoolExecutor$Worker.run:615-Thread.run:701;
> called by
> -Transaction.rollback:897-Transaction.removeUpTo:840-Transaction.close:664-VirtualNetworkApplianceManagerImpl$NetworkUsageTask.run:955-Executors$RunnableAdapter.call:471-FutureTask$Sync.innerRunAndReset:351-FutureTask.runAndReset:178-ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201:165-ScheduledThreadPoolExecutor$ScheduledFutureTask.run:267-ThreadPoolExecutor.runWorker:1146-ThreadPoolExecutor$Worker.run:615-Thread.run:701
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