r8 - 2013-05-14 - 09:52:19 - StevenBeardYou are here: TWiki >  Deployment Web > DeploymentTroubleshooting > PerformanceTroubleshooting > IntermittentPerformanceProblems

uc.png Intermittent performance problems

Authors: Gerald Mitchell
Build basis: CLM 2011, Rational Team Concert 3.0.1, Rational Quality Manager 3.0.1, Rational Requirements Composer 3.0.1

Intermediate performance problems are initially hard to recognize and harder to troubleshoot.   The first thing to recognize is that chaos theory and perfect storm scenarios do happen: these are generally timing related.  As an example, the garbage collection occurring during high volume usage on a system running reports and a virus scan starts.

Recognizing that you have a problem

Because intermediate performance issues can be hard to consistently see, there are several tactics that have to be performed in order to understand what scenario actually exists. Specifically:

  • Consistency
  • Timing
  • Severity

Consistency 

Consistency is important for reproducing the problem. One instance of occurrence is sometimes once more than practical.

How do I do so for an intermittent problem?

test box

### TBC

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