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https://issues.apache.org/jira/browse/FLINK-17719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski closed FLINK-17719.
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Fix Version/s: 1.11.0
Resolution: Fixed
Merged to master as 2b42209dd6
> Provide ChannelStateReader#hasStates for hints of reading channel states
> ------------------------------------------------------------------------
>
> Key: FLINK-17719
> URL: https://issues.apache.org/jira/browse/FLINK-17719
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Checkpointing, Runtime / Task
> Reporter: Zhijiang
> Assignee: Zhijiang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
>
> Currently we rely on whether unaligned checkpoint is enabled to determine
> whether to read recovered states during task startup, then it will block the
> requirements of recovery from previous unaligned states even though the
> current mode is aligned.
> We can make `ChannelStateReader` provide the hint whether there are any
> channel states to be read during startup, then we will never lose any chances
> to recover from them.
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