Did you know that 53% of all companies have VMware servers with Performance degradation due to Memory Swap In/Swap Out? This presentation details a survey of the top 5 VMware performance issues. We will share how businesses can evaluate and evolve their network infrastructure performance and get the most out of their VMware Infrastructure. This presentation explores the VMware Troubleshooting Guide and how to use that information to improve your environment. - Which overlooked items can have the most impact on your VMware performance - How to use information that is available at your fingertips - How to gather this information in your own environment - And the best practices for delivering high-performance VMware to support your business

1. Virtualization Webinar Series
5 Most Common
VMware Performance Issues
January 22, 2014
Speaker: Jeremy Littlejohn, Founder and Chief Analyst RISC Networks

2. Agenda
1) Which items have the most impact on your VMware performance
2) How to use information that is available at your fingertips
3) How to gather this information in your own environment
4) Best practices for a high-performance VMware environment

3. Analysis &
Trends
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0 1 1 0 0 1 0 0 11 0 1
110010101011
001001110101
By The Numbers

4. What’s Actually Running
The average # of VM’s
on a single host is 15

5. The Highest # of VM’s on a single host
987 VM’s
The highest # of VM’s on
a single host was 987

6. Survey Question
What Platform Are You or Your
Customers Using The Most
With Vmware?

7. Most Common Platforms Running VMware
1.Dell R710
2.Cisco N20 UCS B-Series
3.HP Proliant DL380 G7
4.HP Proliant DL 380 G6
5.Dell PowerEdge 2950

8. Trend is Shifting
• The most common hardware platform running VMware
vSphere 4.X Dell R710
• The most common hardware platform running VMware
vSphere 5.x Cisco UCS –B Series
4.X
5.X

9. Top 5 Performance Issues

10. # 5 Most Common VMware Issue
33% of businesses have
CPU oversubscription
within their VMware
hypervisors
Learn More: VMware recommends less than 5% ready time for all VMs’

11. # 4 Most Common VMware Issue
53%
Organizations have
VMware Servers with
performance degradation
due to Memory Swap In /
Swap Out.
Learn More: Performance Troubleshooting for VMware vSphere

12. # 3 Most Common VMware Issue
53% of businesses have
storage latency within their
VMware environment
Learn More: troubleshooting-storage-performance-in-vsphere-part-1-the-basics

13. # 2 Most Common VMware Issue
63% of VMware systems
have swap wait

14. # 1 Most Common VMware Issue
64%
26%
64% of organizations have receive packet
loss occurring on virtual switch ports and
26% have transmit packet loss occurring
on virtual switch ports

15. Survey Question
What Vmware Performance &
Monitoring Tools Are You
Using?

16. Before
After
Establishing a
Performance Baseline

17. Infrastructure Performance Statistics
10
In order to establish an effective
baseline, you have to focus on more
than ONE dimension.
9
8
7
6
5
4
3
2
1
Infrastructure Performance Statistics
CPU Usage

18. Cross-Functional Analysis
Data Center
54%
Vmware
Perf
Problems
33 %
Oversubscribed
Line Cards
47 %
Storage
Perf
Problems
73 %
Network
Perf
Problems
1.
2.
3.
4.
5.
Don’t Just Focus on CPU usage
Analyze Disk I/O
Analyze Network I/O
Capture Network Traffic
Look at the network relations
and dependency

19. Analyze, Don’t Monitor
VS

20. Collect (at least) the following data
• CPU
• Usage %
• % Steal time OR % Ready Time
Data Collection
• Memory
• Swap In/Out Rate (hypervisor if virtual)
• CPU % Wait Time (can show disk slowness for swapping)
• VM Swap Wait
• Disk
• IOPS (I/O Per Second)
• I/O Block Size
• Latency and Queue Length
• Network
• Packet Loss %
• Delay

21. How to analyze my
Environment?

22. Gather Data
• General usage info for CPU, Memory, Disk
• Current usage and impact on performance
• Current network performance information
• Virtualized environment analysis

23. Benchmarking
• Clearly identify specific areas of opportunity
• Set performance expectations
• Validate infrastructure assumption
• Monitor company performance and manage change

24. Resources
Performance and Troubleshooting Guide
http://www.vmware.com/resources/techresources/10179
http://blogs.vmware.com/vsphere/2012/05/troubleshooti
ng-storage-performance-in-vsphere-part-1-thebasics.html
http://www.vkernel.com/files/docs/white-papers/top-20vmware-performance-metrics.pdf

25. Our Analysis

26. Our Analysis

27. Our Analysis by the #’s
97,000
Virtual Machines
VMware Virtual Machines Analyze

28. Our Analysis by the #’s
4,000 +
Business
Networks
Analyzed

29. Our Offering

30. IT HealthCheck

31. IT HealthCheck
•
•
•
•
Quick & Easy Analysis – as little as 7 days
Improve & Optimize Network Infrastructure
Holistic Data Set Across Multiple Technologies
Solves problem faster and helps with planning

32. Upcoming Webinars
• Subscribe to our BrightTALK™ Channel:
https://www.brighttalk.com/channel/10539
•
•
•
•
February 5th – Why Network Testing is Critical for Cloud Success
February 19th – Top 5 Network Infrastructure Performance Issues
March 5th – Be Confident That Your Cloud Solution is Working Well
March 12th – Performance Benchmarking for Private and Hybrid Cloud

33. Thank you

34. About Us
At RISC Networks we imagine a world where IT leaders are not constrained by the complexities of their
IT tools. We have a perspective, a different way of thinking about IT, a simpler way! We believe you
should have more meaningful data analysis; information that actually helps guide you in solving your
problems, tools that help you research and take immediate action. IT – As simple as it should be™
Based in Asheville, North Carolina, RISC Networks is a Actionable IT Analytics firm that focuses on
developing research and technology that helps IT organizations improve their IT operations. More
information is available at: http://www.riscnetworks.com/. Follow RISC Networks on Twitter
@Risc_Networks or on Facebook at http://www.facebook.com/RiscNetworks.
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