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Spring / Spring batch Interview questions

How do I configure parallel execution of steps in Spring batch?

The split configuration can be used to execute a job steps in parallel. In the below example flow1 and flow2 are executed parallely.

<job id="myJob">
    <split id="split1" task-executor="taskExecutor" next="step4">
        <flow id="flow1">
            <step id="step1" parent="s1" next="step2"/>
            <step id="step2" parent="s2"/>
        </flow>
        <flow id="flow2">
            <step id="step3" parent="s3"/>
        </flow>
    </split>
    <step id="step4" parent="s4"/>
</job>

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