COGNOiSe.com - The IBM Cognos Community

IBM Cognos 8 Platform => COGNOS 8 => Report Studio => Topic started by: Cognos8 on 22 Jun 2009 03:14:01 AM

Title: Performance issue
Post by: Cognos8 on 22 Jun 2009 03:14:01 AM
Hi ,

Normally the report runs  within 40 seconds. but i have used the render variable ( 60 ) . to hide and display the list , prompt ... normally will it affect performance ?
Title: Re: Performance issue
Post by: uttam.mistry on 22 Jun 2009 04:29:39 AM
once, i have asked this to cognos consultant, and he said.. it should not affect much..

let me know your findings!!
Title: Re: Performance issue
Post by: CognosPaul on 22 Jun 2009 03:43:51 PM
SQL is usually not generated for non-rendered objects. If the list is a major bottleneck, using a render variable should improve performance significantly. An easy way to confirm would be to either examine the audit logs, or run a trace as the report is running.