[jira] [Created] (KAFKA-6499) Avoid creating dummy checkpoint files with no state stores

["Guozhang Wang (JIRA)" <ji...@apache.org>]

Guozhang Wang created KAFKA-6499:
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             Summary: Avoid creating dummy checkpoint files with no state stores
                 Key: KAFKA-6499
                 URL: https://issues.apache.org/jira/browse/KAFKA-6499
             Project: Kafka
          Issue Type: Improvement
          Components: streams
            Reporter: Guozhang Wang


Today, for a streams task that contains no state stores, its processor state manager would still write a dummy checkpoint file that contains some characters (version, size). This introduces unnecessary disk IOs and should be avoidable.



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