Your COBOL application is encountering performance issues when reading large amounts of data from a VSAM file. What optimization techniques can you apply to improve performance?
- Apply caching mechanisms to reduce disk I/O
- Implement parallel processing for data retrieval
- Increase buffer size in COBOL I/O statements
- Use indexed file organization for faster access
To improve performance when reading large amounts of data from a VSAM file, applying caching mechanisms to reduce disk I/O is effective. Caching stores frequently accessed data in memory, minimizing the need for repeated disk reads and enhancing overall application speed.
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