Learn PLI-MAINFRAME with Real Code Examples

Optimize loops and array operations for large files

Minimize unnecessary I/O to improve batch performance

Use compiler optimization options

Leverage mainframe resources efficiently (memory, buffers)

Schedule jobs to avoid peak system load

Restrict dataset access via RACF or mainframe security

Validate input datasets for integrity

Use secure transaction monitors for online programs

Audit program changes in source libraries

Monitor batch job execution for unauthorized access

Batch job logs and output reports

Transaction monitoring via CICS or MQ

Dataset audit and validation reports

Performance metrics for batch runtime

Error and exception tracking via logs

Follow structured programming practices

Document code and copybooks

Unit test subroutines and modular code

Use naming conventions for datasets and variables

Maintain version control in source libraries