Need VMware Performance Monitor tool

Posted on 2011-10-02
Last Modified: 2012-08-14
I am looking for a free tool that helps to find the Performance of VMs and the ESX host. Thanks
Question by:jmohan0302
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    Veeam ( has a frre tool that is pretty good, as well as vkernel & xangati.

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    by:Andrew Hancock (VMware vExpert / EE MVE)
    Well there are many to select and choose:-

    Veeam Monitor for free

    If you want a quick tool, to help you with wanting to know all the individual elements, then I would suggest using Veeam Monitor Free Edition

    Veeam Monitor leverages Veeam Business View™ to enable performance monitoring, alerting and reporting for virtual machine groups based on criteria such as business unit, department, location, purpose, service-level agreement or any other criteria you define. This ability to perform business-centric monitoring helps to identify the business impact of a virtual infrastructure’s performance and respond accordingly. It also allows you to configure flexible alerts based on known server type characteristics and the potential business impact of an outage for more granular service-level management. You can also create targeted reports showing only the data relevant to specific business units, departments or types of server.
    More features


    If you want to get down and dirty with the servers, then I would recommend the following documents

    Performance Monitoring and Analysis

    Guest-based performance monitoring is an inaccurate and unhelpful means of evaluating performance in virtual deployments.  See Guest-based Performance Measurement for more inforamtion.  Monitoring and analysis of VMware ESX Server should be performed with esxtop and VirtualCenter.

    esxtop is the tried-and-true means of collecting every performance stat  needed and making it available in a way that is conducive to analysis.  The best source of information on launching esxtop can be found in the Resource Management Guide (page 159).

    1. Check and correct CPU utilization: CPU Performance Analysis and Monitoring

    2. Identify memory bottlenecks and remove: Memory Performance Analysis and Monitoring

    3. Characterize storage performance and correct: Storage Performance Analysis and Monitoring

    4. Understand and improve the network utilization profile: Network Performance Analysis and Monitoring

    Within each of these articles are techniques for using counters from  VirtualCenter and esxtop.  Information on those counters is provided in

    vCenter Performance Counters
    esxtop Performance Counters

    Also, note that, while useless in collecting performance data, Perfmon  can help with analysis of large esxtop output files.  

    Using Perfmon for esxtop-based Performance Analysis

    The vSphere Client can indicate that VM network traffic is causing a 1 GB Ethernet adapter to have a 99% utilization rate. But strangely, it doesn't display which kind of traffic is going across the virtual networks, where it came from or where it's going.

    To learn which traffic is going across a virtual network, there's another free tool for vSphere: Xangati for ESX, a virtual appliance that tracks conversations on the virtual network. It's great for troubleshooting any virtual network issue, analyzing virtual desktop infrastructure and correlating vCenter performance stats with virtual network stats. (free)

    Otherwise another long list to select, apart from

    VMware Capacity IQ (free trial)

    Quest vFoglight (trial available)

    VMKernel (trial available)

    Veeam Monitor and Reporter. Monitor and Reported are seperate programs. offers monitoring options and is the easiest to configure monitoring and alarms, it's the quickest product to get up and running quickly, however, it does not provide any customization which the Quest vFoglight product offers, but if there is a team of you, you will benefit from getting up and running with Veeam Monitor and Reporter, very quickly in your team with out reading manuals or requiring additional training. It has good capcity planning and reporting tools, I don't like the Reporting module, as it requires seperate installation, and database (but hey!). One thing that Veeam Monitor and Reporting lacks is optimization and trending tools.

    vFoglight has optimization and trending tools, but I going to recommend another product called vKernel.

    vKernel comes as a virtual applicance, it is the quickest to get up and running, and provides fanastic best trending and optimization to find misallocated and misconfigured resources, BUT it's the weakest at monitoring and alarming, and relies heavily on vCenter.

    So there you have it....

    1. Veeam Monitor and Reporter - Monitoring and Alarming, Capacity Planning.
    2. vKernel - Optimization and Trending (if you need it!)

    Otherwise MORE Tools

    zabbix -
    Whats Up Gold

    Nagios is the leader in Open Source IT infrastructure monitoring....but you can find other multiple monitoring tools: GroundWork Monitor Enterprise Hyperic HQ Icinga  mrtg Nagios N-central op5 Monitor openITCockpit OpenNMS HP OpenView BMC PATROL ProactiveNet Performance Management Shinken IBM Tivoli CA Unicenter
    Q1 Labs (offers free VM version):
    Manage Engine with OpManager:

    ALL FREE:-

    But our  recommendation for a useful solution for syslog  and data correlation solutions: This is what we prepare for our Clients, in favour of Veeam for FREE!


    Nagios, Awarded Platform

    Winner of numerous awards and highly recognized, Nagios is the leader in Open Source IT infrastructure monitoring.

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