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https://issues.apache.org/jira/browse/KAFKA-10097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boyang Chen updated KAFKA-10097:
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Summary: Avoid passing task checkpoint file externally (was: Avoid getting
null map for task checkpoint)
> Avoid passing task checkpoint file externally
> ---------------------------------------------
>
> Key: KAFKA-10097
> URL: https://issues.apache.org/jira/browse/KAFKA-10097
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Boyang Chen
> Assignee: Boyang Chen
> Priority: Major
>
> In StreamTask, we have the logic to generate a checkpoint offset map to be
> materialized through StateManager#checkpoint. This map could be either empty
> map or null, which the former case indicates to only pull down existing state
> store checkpoint data, while the latter indicates no need to do a checkpoint
> in the case such as we are suspending a task.
> Having two similar special logics for checkpointing could lead to unexpected
> bugs, also we should think about separating the empty checkpoint case vs
> passed-in checkpoint case.
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