You can set advanced Content Manager parameters.
 Advanced
Content Manager parameters include settings for the database connection
pool, sorted entries for non-English locales, synchronization, and
browsing of external namespaces.
  
Procedure
- Start IBM® Cognos® Connection.
 
- In the upper-right corner, click Launch, IBM
Cognos Administration.
 
- On the Status tab, click System.
 
- In the upper-left corner of the Scorecard pane,
click the arrow to view the Change view menu. Click Services,
and then click Content Manager.
 
- Click the arrow next to ContentManagerService to
display the Actions menu, and then click Set properties.
 
- Click the Settings tab.
 
- Click Edit next to Advanced
Settings.
 
- Select Override the settings acquired from the
parent entry.
 
- In the Parameter column, type the
parameter name.   
For example, type CM.DbConnectPoolCleanUpPeriod.
  
- In the Value column, type the associated
value for the setting.
 
- Continue typing setting names and values as required.
 
- Click OK.
 
- On the Set properties page, click OK.