Spring Batch Preparation Practice Exams

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Description: Spring Batch is a lightweight, comprehensive batch processing framework designed to handle large volumes of data efficiently. It provides reusable functions that are essential in processing records, including logging, transaction management, job processing, and restart capabilities. It is commonly used in enterprise applications where batch processing of data is critical, such as payroll systems, billing, and ETL operations.Architecture of Spring Batch is based on two major concepts: jobs and steps. A job represents the entire batch process, whereas a step is a phase in the job that encapsulates a specific task such as reading data, processing, or writing output. The architecture is layered and supports job repository management, job launchers, and job configuration. This layered approach ensures scalability and modularity in batch processing.Job and Step concepts in Spring Batch are central to its functioning. A job is a container for steps, and each step can be configured to execute a specific function. Steps can be sequential or conditional, allowing developers to build complex workflows. The job also keeps track of execution status, enabling the resumption of failed jobs from a specific step rather than restarting the entire process.ItemReader, ItemProcessor, and ItemWriter form the core processing components of Spring Batch. The ItemReader is responsible for reading data from a source such as a file, database, or message queue. The ItemProcessor applies business logic or transformations on the data, and the ItemWriter outputs the processed data to the desired destination. This clear separation of concerns makes the system flexible and maintainable.Transaction Management in Spring Batch ensures consistency and reliability of data during processing. Each step can be executed within a transaction boundary, allowing rollback in case of errors. This is especially important in high-volume data processing where failure at one point should not compromise the entire batch. Spring Batch
Category: IT & Software > IT Certifications > Spring Batch
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