1. Improving .NET Scalability And Performance With Visual Studio
4/16/ :24 PM
TL24
Improving .NET Scalability And Performance With Visual Studio
 Steve Carroll
Senior Development Lead
Microsoft Corporation
 Ed Glas
Principal Group Manager
Microsoft Corporation
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Outline Performance lifecycle
Diagnosing common .NET performance problems

3. One Last Walkthrough Before Launch

4. We Got Lucky!

5. Visual Studio Team System provides performance tools to support you throughout the software lifecycle

6. Performance Lifecycle
Please use this format when talking about CURRENT
products, services or features.
4/16/ :24 PM
Performance Lifecycle
Gathering requirements
Maintenance
Design
Deployment
Development
Testing
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

7. Performance Requirements
Please use this format when talking about CURRENT
products, services or features.
4/16/ :24 PM
Performance Requirements
Gathering requirements
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

8. Example Performance Requirement
Scenario
Test Environment
Requirement
Goal
Home page
Perf Environment #1 2s
1.5s
Search results page – 10 results 3s 4s
Checkout complete 5s
E#1
Machine
CPU
RAM
Disk
Network
Client
Dell WS 650
1P 2.2 Ghz
1GB
7.5k eSata (100 GB)
600kb
App Server
Dell PE 6650
4P 2.2 Ghz
4GB
2x15k RPM SCSI
1Gb
SQL Server
HP DT 9250
8P 2.6 Ghz
16GB
3 x 7.2 K SATA (480 GB)
15 x 7.2 k SATA2 (3 TB)
Application
Data Size
1,000 restaurants, 50,000 menu items, 1,500 orders
Work load
1,000 virtual users
Throughput
100 home pages/sec
50 searches/sec
2 checkouts/sec

9. Performance Lifecycle
4/16/ :24 PM
Performance Lifecycle
Gathering requirements
Design
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

10. Design Phase Exploratory performance tests
Prototype to validate architecture
Run end-to-end performance tests
Run tests to isolate your server’s performance
Design UI
Action layer
Service API
Service API
Run tests to isolate performance of your dependencies
Web app
Web app
Database
Database

11. we are ready to implement and test
Now that we have the requirements,
we are ready to implement and test

12. Case Study: Performance And Stress Testing Team Foundation Server
4/16/ :24 PM
demo
Case Study: Performance And Stress Testing Team Foundation Server
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

13. TFS Perf Trends Report

14. TFS Perf Report 2 WebAccess: Run a query for 100 items 3.5 9.00 -157%
Pri
Scenario
Goal
Actual
Delta Goal
Delta build
Bug 2
WebAccess: Run a query for 100 items
3.5
9.00
-157%
-111%
518511
VC: CommandLine - Rollback 1000 edits and folder rename 30
49.61
-65% 9%
416557
WIT: UI - VS startup with connected Team Explorer (warm)
0.53
0.85
-61%
29%
535042 1
Office Integration: Excel - Get 100 work items from picker
1.54
-54%
-147%
468117
WIT: Run a In Group query
0.75
1.06
-41%
31%
468113
VC: UI - Open from SCC
120
165.97
-38%
-26%
510958

15. TFS Stress Trends Report

16. TFS Transaction Analysis
Application
Command
count
Percentage
Test Weight from Dogfood Server
Version Control
Download
82.98%
83.64%
QueryItems
470287
5.22%
5.24%
Integration
IsMember
173575
1.93%
2.01%
ReadIdentity
136990
1.52%
1.67%
WorkItem Tracking
PageWorkitemsByIds
93075
1.03%
1.56%
QueryWorkitems
84577
0.94%
1.10%
UpdateLocalVersion
75809
0.84%
1.23%

17. TFS Best Practices Start early Focus on key scenarios
Run tests regularly
Measure against requirements
Spend tuning time wisely

18. Using UI Tests as Performance Tests and JScript Profiling
4/16/ :24 PM
demo
Using UI Tests as Performance Tests and JScript Profiling
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

19. Types Of Performance Tests
Single User
Typical Load
Web App
Database
Unit Test UI
Action Layer
Service API
Web App
Database
UI Test
Manual Test
Web Server
Web App
Database
Web Test
Peak Load
Small DB
Expected Data Size
Target Layer
# Users
Peak Data Size
Data Scale

20. Deployment And Maintenance

21. Run To Run Comparison Of Load Tests
4/16/ :24 PM
demo
Run To Run Comparison Of Load Tests
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

22. Anticipating Common .NET Performance Problems

23. Performance Code Analysis
public struct BusinessValueType {
public int Value;
public string Name; }

25. Performance Quiz
<asp:SqlDataSource ID="SqlDataSource2" runat="server"
ConnectionString=“…“ ProviderName=“…"
SelectCommand="SELECT * FROM ...">
</asp:SqlDataSource>
Select Company:
<asp:DropDownList
ID="ddl1" runat="server”
DataTextField="Company Name"
DataValueField=“Company ID“
OnSelectedIndexChanged="Selection_Change”>
</asp:DropDownList>

26. About Generational GC Theory
Objects that were just allocated will soon die
Objects that have been alive for some time will keep on living

27. Gen 0 is full, start garbage collection!
New objects are allocated in Gen 0
Still living objects are promoted
Dead objects are found
Large object heap
Gen 0
Gen 1
Gen 2

28. Three Bad Allocation Patterns
Midlife crisis
Managed leaks
Large object heap

29. Diagnosing Memory Issues
4/16/ :24 PM
demo
Diagnosing Memory Issues
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

30. Detecting .NET Locking Problems
4/16/ :24 PM
Detecting .NET Locking Problems
Locks are the up and coming bottleneck
Multicore revolution
Contention profiling
Low overhead
Non-intrusive
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

31. demo Contention Profiler 4/16/2017 12:24 PM
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

32. What's Cool And New In Visual Studio Team System 10
4/16/ :24 PM
What's Cool And New In Visual Studio Team System 10
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

33. VSTS 10 Web And Load Test Features
4/16/ :24 PM
VSTS 10 Web And Load Test Features
Collect more analysis data
Remote profiler integration
Sys Info data collection
Extensible data collectors to support more platforms
Run to run reports in Microsoft Excel
Load test log visualization
Run functional tests as performance tests
New design-time extensibility points
Many usability enhancements
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

34. VSTS 10 Profiler New Features
4/16/ :24 PM
VSTS 10 Profiler New Features
Now works under virtualization!
New function details page
Rules and guidance to help detect common problems
JScript profiling
Just my code profiling
Many usability enhancements
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

35. Visual Studio Team System provides performance tools to support you throughout the software lifecycle

36. Resources Know your tools! Know your platform!
Profiler blog:
Web/load test blog:
Forums:
Know your platform!
Improving .NET Performance and Scalability

37. Related Sessions Session ID Session Title TL19
Bringing Out The Best In Multicore Systems
BB07
SQL Server 2008: Developing Large Scale Web Applications And Services
TL38
WCF: Zen Of Performance And Scale
PC53
Building High Performance JScript Applications
TL60
Improving Code Quality With Code Analysis
TL03
Microsoft Visual Studio Team System: Software diagnostics and quality

38. Evals & Recordings www.microsoftpdc.com
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39. Please use the microphones provided
4/16/ :24 PM
Q&A
Please use the microphones provided
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

40. 4/16/ :24 PM
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

41. 4/16/ :24 PM
© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.