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Scaling and Parallel Processing :: Spring Batch

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Many batch processing problems can be solved with single-threaded, single-process jobs, so it is always a good idea to properly check if that meets your needs before thinking about more complex implementations. Measure the performance of a realistic job and see if the simplest implementation meets your needs first. You can read and write a file of several hundred megabytes in well under a minute, even with standard hardware. When you are ready to start implementing a job with some parallel processing, Spring Batch offers a range of options, which are described in this chapter, although some features are covered elsewhere. At a high level, there are two modes of parallel processing: Single-process, multi-threaded Multi-process These break down into categories as well, as follows: Multi-threaded Step (single-process) Parallel Steps (single-process) Remote Chunking of Step (multi-process) Partitioning a Step (single or multi-process) First, we review the single-process options. Then we re

Scaling and Parallel Processing Many batch processing problems can be solved with single-threaded, single-process jobs, so it is always a good idea to properly check if that meets your needs before thinking about more complex implementations. Measure the performance of a realistic job and see if the simplest implementation meets your needs first. You can read and write a file of several hundred megabytes in well under a minute, even with standard hardware. When you are ready to start implementing a job with some parallel processing, Spring Batch offers a range of options, which are described i

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