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https://issues.apache.org/jira/browse/FLINK-16712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijiang closed FLINK-16712.
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Resolution: Fixed
Merged in master: bb4ec22a7d0e0d0831ec56b121eefb465bf8f939
> Refactor StreamTask to construct final fields
> ---------------------------------------------
>
> Key: FLINK-16712
> URL: https://issues.apache.org/jira/browse/FLINK-16712
> Project: Flink
> Issue Type: Task
> Components: Runtime / Task
> Reporter: Zhijiang
> Assignee: Zhijiang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> At the moment there are four fields initialized in the method of
> StreamTask#beforeInvoke, such as `stateBackend`, `checkpointStorage`,
> `timerService`, `asyncOperationsThreadPool`.
> In general it is suggested to use final fields to get known benefits. So we
> can refactor the StreamTask to initialize these fields in the constructor
> instead.
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