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https://issues.apache.org/jira/browse/FLINK-14857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski closed FLINK-14857.
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Fix Version/s: 1.10.0
Release Note:
Deprecated {{getCheckpointLock}} method of the
{{org.apache.flink.streaming.runtime.tasks.StreamTask}} class.
Users should use {{MailboxExecutor}} to run actions that require
synchronization with the task's thread (e.g. collecting output produced by an
external thread). {{MailboxExecutor#yield}} or {{MailboxExecutor#tryYield}}
methods can be used for actions that should give control to other actions
temporarily, if the current operator is blocked.
{{MailboxExecutor}} can be accessed by using {{YieldingOperatorFactory}}.
Example usage can be found in the {{AsyncWaitOperator}}.
was:
Deprecated {{getCheckpointLock}} method of the
{{org.apache.flink.streaming.runtime.tasks.StreamTask}} class.
Users should use {{MailboxExecutor}} to run actions that require
synchronization with the task's thread (e.g. collecting output produced by an
external thread). {{MailboxExecutor#yield}} or {{MailboxExecutor#tryYield}}
methods can be used for actions that should give control to other actions
temporarily, if the current operator is blocked.
{{MailboxExecutor}} can be accessed by using {{YieldingOperatorFactory}}.
Example usage can be found in {{AsyncWaitOperator}}.
Resolution: Fixed
merged as commits 4dfb925 and 16de600
> Deprecate checkpoint lock from the Operators API
> ------------------------------------------------
>
> Key: FLINK-14857
> URL: https://issues.apache.org/jira/browse/FLINK-14857
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Task
> Affects Versions: 1.9.1
> Reporter: Roman Khachatryan
> Assignee: Roman Khachatryan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Drop `this.checkpointLock = getContainingTask().getCheckpointLock();` access
> (used for example in `ContinuousFileReaderOperator`).
> Redirect users to the mailbox (enqueuing/yielding).
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