Chapter 4. Database structure 87
Content Manager OnDemand for z/OS allocates its table space during the creation of a new 
table based on the following space allocation parameters:
/SM590000DBSIZE/two for primary allocation
/SM590000Primary allocation/four for the secondary allocation
The allocation of the database is in kilobytes. The allocation values depend on the maximum 
row limit that is set when you create the application group. The DBSIZE depends on the 
number of index fields that are defined in the application. 
DBSIZE is calculated in the following way:
Maximum number of rows * Default Table Factor / records per page
The Default Table Factor is set to “1,2” by the program. The records per page value is a DB2 
parameter. For more information about records per page, see Chapter 8, “Estimating Disk 
Storage”, in the DB2 Version 10 for z/OS Administration Guide, SC19-2968.
Note: Based on this calculation, when you define the application group, ensure that you 
select the appropriate number for Max_Rows: 
/SM590000If you expect the number of documents and indexes that are stored to be low, reduce 
the default value of 10 million rows.
/SM590000If you expect the number of documents and indexes that are stored to be high, increase 
the default of 10 million rows.
/SM590000If you leave the 10-million-row default unchanged, Content Manager OnDemand 
allocates 6 million rows as the primary allocation.