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From "Matthias J. Sax (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-6499) Avoid creating dummy checkpoint files with no state stores
Date Thu, 01 Mar 2018 02:14:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias J. Sax updated KAFKA-6499:
-----------------------------------
    Fix Version/s:     (was: 1.2.0)

> 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
>            Assignee: Guozhang Wang
>            Priority: Major
>             Fix For: 1.1.0
>
>
> 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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