Application design considerations
In this chapter, we highlight some of the key application design considerations when building a batch application to run in CICS.
4.1 When to use Batch Data Streams to read input to a batch job
The use of a Batch Data Stream makes sense in the following circumstances:
•The batch job is processing lots of records and needs to exploit checkpoint/restart.
•You want to maintain a logical physical indirection to an input/output source.
•You allow the application to open something, for example, for input/output based ...