Chapter 3. Planning considerations 39
thumb is to allocate approximately 60-70% of the total memory on the system.
Allocating more than that has shown signs of excessive paging.
The Siebel application itself is currently still in 32-bit. If you plan to have DB2
UDB database on 64-bit instance and Siebel Server on the same machine, you
must:
Run export EXTSHM=ON before starting a Siebel Server.
Create a DB2 UDB 32-bit instance on the same server and catalog the
database on the 32-bit instance; then, have Siebel initialize and connect via
the 32-bit instance.
Depending on the 32-bit or 64-bit DB2 UDB you choose, the Siebel stored
procedure siebproc is different. Copy siebproc (32-bit Siebel stored procedure)
or siebproc64 (64-bit Siebel stored ...