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[Xen-API] Which API for Xen performance metrics

  • To: <xen-api@xxxxxxxxxxxxxxxxxxx>
  • From: "Vikas Aggarwal" <vikas04@xxxxxxxxx>
  • Date: Mon, 17 Oct 2011 23:41:20 -0700
  • Delivery-date: Mon, 17 Oct 2011 23:42:01 -0700
  • List-id: Discussion of API issues surrounding Xen <xen-api.lists.xensource.com>
  • Thread-index: AcyNYLqpibqABkZxRMSKiDpELCzcNw==

Hi all,

I am trying to determine which is the preferred API to get performance
metrics for the Xen hypervisor AND also, what is the complete list of
performance metrics that are available for the Xen hypervisor (v5.6 and
newer) - trying to write a XenServer monitor in java.

I saw a posting in April asking about this and the xend API going away, and
using XCP, but isn't there a non-XCP API which can give hypervisor metrics
for "normal XenServer" ? 

Lots of searching yielded
http://www.jansipke.nl/getting-xenserver-vm-metrics-in-java  but it seems a
bit weird to be using RRD for performance counters. There seem to be a lot
of well defined performance metrics for VMware, but cannot find a clean
solution for XenServer.

Any definitive answer would be great since I cannot seem to find one.


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