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From "Sowmya Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-3441) [Load Test] High delays between VM being allocated to Pod and network implementation causing delays in VM deployment
Date Wed, 10 Jul 2013 09:47:54 GMT
Sowmya Krishnan created CLOUDSTACK-3441:
-------------------------------------------

             Summary: [Load Test] High delays between VM being allocated to Pod and network
implementation causing delays in VM deployment
                 Key: CLOUDSTACK-3441
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3441
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server, Network Controller
    Affects Versions: 4.2.0
         Environment: Load test, with simulator setup
            Reporter: Sowmya Krishnan
             Fix For: 4.2.0


Scale Test  set up with 20K simulated hosts, 20K VMs, basic zone, 3 Management servers 
Also using security groups, ~5K VMs are deployed in every Security group.

While deployment of simulator VMs, following is observed after around 4K VMs:

There's delay between VM being allocated to Pod and network implementation causing delays
in VM deployment. Following are the logs: 

2013-06-10 15:51:01,215 DEBUG [cloud.vm.VirtualMachineManagerImpl] (Job-Executor-1004:job-3014)
VM is being created in podId: 1390 
2013-06-10 15:55:31,494 DEBUG [cloud.network.NetworkManagerImpl] (Job-Executor-1004:job-3014)
Lock is acquired for network id 204 as a part of network implement 

This causes delay in VM deployment and the async job to complete. The delays get higher and
higher as more and more VMs are deployed causing an unacceptable delay for huge deployments,
viz, > 15-20K  VMs


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