By now everyone should know that esxtop is a great tool that you can use to find out what might be causing performance issues on your ESX host. I don’t plan on writing a post on how to use esxtop. You can refer to Duncan’s ESXtop post for details on thresholds or to VMwares esxtop bible for good base information.
This post is more of a starting point on what ESXplot is and how to install and use. By now most of you should know that ESXplot was born out of the mind of Geoff White of VMware. Geoff is a coworker of Scott Drummonds the well known ESX performance expert. Esxplot is a GUI application that lets you explore the data collected by esxtop in batch mode. The program takes a single command line argument which is the esxtop batch mode output file.
Why would you want to use esxplot? Well in the past your options to examine these files were to use Excel or Perfmon. Both options were very slow, sometimes taking hours to import the file before viewing. With esxplot your dump file will open within seconds usually. For more details you can read Scott’s post on version 1.0.
If you are using Windows to view your files you have 2 options. You can use the Windows binary file or run the python script. If you wish to run the python script you will need the following applications installed.
Python 2.6 or higher but not Python 3.x – Download
wxPython – Download
NumPy is also needed – Download
Once installed the application is very easy to use. First thing to do in capture some data from esxtop in batch mode using the command below. Then copy the file over to your workstation that you will run esxplot on. Open the app and the File ->Import->Dataset option from the menu to view your file. Then from the lower left section that will list your Hosts name open the tree to view all the captured values.
esxtop -b -d 2 -n 100> esxtopcapturefile.csv
You can download esxplot from here.
About Brian
Brian is a Technical Architect for a VMware partner and owner of this website. He is active in the VMware community and helps lead the Chicago VMUG group. Specializing in VDI and Cloud project designs. Awarded VMware vExpert status for 2012 & 2011. VCP3, VCP5, VCA-DT, VCP5-DT, Cisco UCS Design
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