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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8800) Improve the listVirtualMachines API call to include memory utilization information for a VM
Date Thu, 17 Mar 2016 14:05:33 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15199573#comment-15199573
] 

ASF GitHub Bot commented on CLOUDSTACK-8800:
--------------------------------------------

Github user rafaelweingartner commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/780#discussion_r56508389
  
    --- Diff: plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
---
    @@ -3026,11 +3031,16 @@ public VmStatsEntry getVmStat(final Connect conn, final String
vmName) throws Li
             try {
                 dm = getDomain(conn, vmName);
                 final DomainInfo info = dm.getInfo();
    +            final MemoryStatistic[] mems = dm.memoryStats(NUMMEMSTATS);      //number
of memory statistics required.
     
                 final VmStatsEntry stats = new VmStatsEntry();
    +
                 stats.setNumCPUs(info.nrVirtCpu);
                 stats.setEntityType("vm");
     
    +            stats.setMemoryKBs(info.maxMem);
    +            stats.setTargetMemoryKBs(info.memory);
    +            stats.setIntFreeMemoryKBs((double) mems[0].getValue());
    --- End diff --
    
    the same problem pointed out by @swill at line 3128, may happen here.


> Improve the listVirtualMachines API call to include memory utilization information for
a VM
> -------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-8800
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8800
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.5.2
>            Reporter: Maneesha
>            Assignee: Maneesha
>             Fix For: 4.6.1
>
>
> Currently the feature of memory utilization is not available via API call (listVirtualMachines).
> https://cloudstack.apache.org/api/apidocs-4.5/root_admin/listVirtualMachines.html 
> The listVirtualMachine get its values from the "user_vm_view" table in the database.
Currently it shows the CPU utilization of the VM's.
> The only way to find out the memory utilization of VM's running on XenServer, is to run
the "xentop" command on the pool master of the cluster.



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