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Appeon Performance Tuning Guide
Appeon Performance
Expected performance level
Automatic performance boosting
Impact of the Internet and slow networks
Impact of “heavy” client-side logic
Impact of large data transmission
Performance-Related Settings
Overview
Appeon Developer performance settings
Appeon Enterprise Manager performance settings
Timeout settings
DataWindow data caching
Multi-thread download settings
Custom Libraries download settings
Log file settings
Internet Explorer performance settings
Web and application server performance settings
SAP Sybase EAServer
JVM startup option
Configuring data sources
HTTP properties
Microsoft IIS server
Recommendations for avoiding common errors on IIS
Advanced thread settings
Database performance settings
Recommended database driver
Recommended database setting
Identifying Performance Bottlenecks
Overview
Heavy window report
Appeon Performance Analyzer
Getting Started
Enabling Appeon Performance Analyzer
Starting Appeon Performance Analyzer
Getting to know Appeon Performance Analyzer
Removing Appeon Performance Analyzer
Working with Appeon Performance Analyzer
System Configuration
Calls Analysis
Download Analysis
View Detail
Additional Functions
Testing Appeon Web applications with LoadRunner
LoadRunner
General Limitations on Performance Testing
Testing Environment
Testing Steps
Configuring AEM
Data Preparation (for update only)
Preparing Test Cases
Recording Scripts
Modifying Scripts
Additional steps for Update operation
Parameterization of SQL statements
Playing back Script to test the correctness of scripts
Setting Scenarios
Additional steps for Update operation
Running Scenarios
Appendix
Modifying the scripts of NVO
Modifying the scripts of EJB/JavaBean
Troubleshooting
Errors appear when playing back scripts with LoadRunner 8.0
The value of sessionID is null
Error message appears in script playback
Error message in Appeon Log
Failed to parameterize scripts
Out of memory error and application server shut down
Field values do not change after parameterization and playback
Runtime errors causing scenario failure
Transactions failed
Unable to connect to remote servers
Analyzing log files
Analyzing Windows application log files
Analyzing Appeon Server log files
Analyzing active transaction log
Identifying Performance Bottlenecks of Web Server and Application Server
Identifying Performance Bottlenecks of DB Server
Deadlock analysis
Identifying Performance Bottlenecks of PB application
Analyzing performance bottlenecks of PB application
Tuning: DB Server
Database
Tuning: Excessive Server Calls
Overview
Technique #1: partitioning transactions via stored procedures
Technique #2: partitioning non-visual logic via NVOs
Technique #3: eliminating recursive Embedded SQL
Technique #4: grouping multiple server calls with Appeon Labels
Tuning: Heavy Client
Overview
Technique #1: thin-out “heavy” Windows
Technique #2: thin-out “heavy” UI logic
Manipulating the UI in loops
Triggering events repeatedly
Performing single repetitive tasks
Initializing “heavy” tabs
Using ShareData or RowsCopy/RowsMove for data synchronization
Using computed fields
Using DataWindow expressions
Using complex filters
Using RowsFocusChanging/RowsFocusChanged events
Technique #3: offload “heavy” non-visual logic
Tuning: Large Data Transmissions
Overview
Technique #1: retrieving data incrementally
For Oracle database server
For all other database servers
Technique #2: minimizing excessive number of columns
Conclusion

View Detail

By default, the View | View Detail menu item is selected, so the View Detail panel is automatically displayed beneath the analyzing panel. If you do not want to see the View Detail panel, you can click the View Detail menu item to unselect it.

The detail view panel enables you to view the details and statistics of calls.

View details of JavaScript calls in the detail view panel:

Display the View Detail panel by clicking the View Detail menu item in the View menu.

Click the View JS Calls menu item in the View menu to display the JavaScript calls in the analyzing panel, then select a JavaScript call, the details of the selected call are displayed in the Details tab of the detail view panel.

View details of JavaScript calls

In the Statistics tab of the detail view panel, it shows the calls statistics as below:

View statistics of JavaScript calls

View details of ActiveX calls in the detail view panel in a similar way as JavaScript calls:

View details of ActiveX calls

View statistics of ActiveX calls in the detail view panel in a similar way as JavaScript calls:

View statistics of ActiveX calls

View details of RPC calls in the detail view panel in a similar way as JavaScript calls:

The sending and receiving procedure is roughly displayed in the Details tab, to help you check the RPC process.

View details of RPC calls

View details of downloads in the Detail View panel:

The Details tab shows the download URL on the Web server and the storage location of the downloaded file.

View details of downloads

View statistics of root items in the detail view panel:

When you click the item of Root, the Statistics tab shows the statistics for all the calls.

View statistics of root items

Apart from the above, the Detail View panel can also show the search results. Refer to the Find function for details.