Learn tips and tricks of monitoring Web applications with Web Performance Monitor. Handle perils of JavaScript, create efficient and maintainable transactions and utilize transaction players to their full potential.

1. SolarWinds® thwackCamp 2.0
”Get the Most out of your Web Performance Monitor”
© 2013 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.

2. Agenda
» Perils of JavaScript®
» Maintainable and robust transactions
» Optimizing the load of transactions
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3. Perils of JavaScript
» Dynamic pages using JavaScript makes it interesting to monitor
» Many reasons
 Hidden elements in HTML
 Dynamically generated elements
 Dynamically generated ID
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4. Handling the edge cases
» Navigate with keyboard
» Use alternative navigation path
» Use native keyboard commands support by Web App
» Record all JavaScript events
» Use XY-mode (with extra validation)
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5. Maintainable and Robust Transactions
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» Web Applications are under constant development
» User navigation during recording is not mechanically precise

6. Keep it clean and minimalistic
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» Re-record your transaction few times
» Find ideal series of actions to exercise whole business process
» Remove or modify redundant steps and recorded actions
 Use export/import function to modify XML

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Variations in response times
» False alerts can be caused by many reasons
 Network traffic
 Server load
 Application performance issues

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Add Wait action after the step
» Wait times won’t count into the overall timing of the transaction

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Add Image Match to absorb variation
» Waiting time is counted into the
duration of a transaction
» If the image match expires before the
image is loaded, transaction will fail

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Internet Explorer® Versions
» Sometimes will
transaction fail, but
work fine on your
desktop
» Match versions of IE
in the recorder and
on the player

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Optimization of Player Load
» WPM recording is a copy of
what a user does in Internet
Explorer
» This fact has certain
requirements for memory
and CPU

12. Player load =
number of running playbacks /
total number of playback workers *
100 +
transactions waiting for playback
© 2013 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.
Player Load Formula

13. © 2013 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.
How to optimize load
How to work with the load value?
1. If the load is consistently below 100%, there is capacity for more transactions.
2. If the load is consistently above 100%, player is too busy.
» Simplify your transactions
» Reduce frequency of playbacks
» Move transactions to another player
» Add resources to the player

14. © 2013 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.
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