To determine the settings that are best suited for your environment, performance testing is advised.
Use the following memory settings as a starting point and adjust them based on the memory usage of your system.2 GB for the base operating system and accompanying software, such as antivirus, back up, and enterprise management software4 GB for a 64-bit Content Manager JVM4 GB for a 64-bit Application Tier JVM2 GB for the graphics JVM (IBM Cognos Workspace)2-4 GB for the query service (dynamic query mode) JVM1 GB per core for the report services processes (dynamic query mode) (JVM)2 GB per core for the report services processes (compatible query mode) (BIBuS)The following table shows the suggested memory settings by architectural tier for a 64-bit operating system.
[tr=rgb(181,] | Architectural Tier | Memory settings |
IBM Cognos Gateway Tier | 2 GB |
IBM Cognos Application Tier (compatible query mode) | 2 GB per core |
IBM Cognos Application Tier (dynamic query mode | 4 GB + 1 GB per core |
IBM Cognos Content Manager Tier | 4 GB |
More resources might be required when installing additional software.