Evolving Mainframe Batch: Java Workload Strategies on z/OS

Author(s)	Chandra mouli Yalamanchili
Country	United States
Abstract	IBM's z/OS platform has evolved into a market leader in enterprise computing known for its unmatched reliability, security, and throughput. Over the past few decades, IBM has introduced numerous innovations enabling Java applications to harness the full potential of z/OS, allowing modern, portable code to benefit from the underlying high-performance system architecture. This paper provides a comprehensive technical analysis of executing Java-based batch workloads on IBM's z/OS, examining the rationale, benefits, methods, interoperability, performance considerations, and common challenges. This paper details advantages and use cases and explores BPXBATCH, BPXATSL, JZOS Batch Launcher, WebSphere Liberty Profile, and WebSphere Compute Grid. Java's interoperability with COBOL and HLASM through Language Environment (LE) and Java Native Interface (JNI) is thoroughly discussed. Performance tuning strategies and methods for overcoming typical encoding and integration challenges are also addressed.
Field	Engineering
Published In	Volume 4, Issue 8, August 2023
Published On	2023-08-04
Cite This	Evolving Mainframe Batch: Java Workload Strategies on z/OS - Chandra mouli Yalamanchili - IJLRP Volume 4, Issue 8, August 2023. DOI 10.5281/zenodo.15154885
DOI	https://doi.org/10.5281/zenodo.15154885
Short DOI	https://doi.org/g9csq9

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