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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2018/01/30 02:16:00 UTC
[jira] [Created] (KAFKA-6499) Avoid creating dummy checkpoint files
with no state stores
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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