Cognos Performance issue check



There are multiple factors which come in place when we look at performance tuning. Below are two broad categories to investigate:
 
  • Environment: Cognos, Database, OS, Network.
  • Application - Report, FM, Database, Data model, Data
 
Depending on how old application/changes happened, you can target specific area to find out issues quicker.
 
Quick things to check


  1. Environment compatibility
    • Client Drivers are higher version than DB version. Generally Client Drivers are backward compatible and have new features as well if DB is up to date
    • O/S Patches, Application Server are compatible with Cognos
  2. Applications
    • Queries running from DB client vs Cognos - may be Cognos is doing more local processing
    • Enable IPF trace to see how queries are being sent and getting responses

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