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https://issues.apache.org/jira/browse/FLINK-19356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee reassigned FLINK-19356:
------------------------------------
Assignee: Jingsong Lee
> Introduce FileLifeCycleListener to Buckets
> ------------------------------------------
>
> Key: FLINK-19356
> URL: https://issues.apache.org/jira/browse/FLINK-19356
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Task
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Major
> Fix For: 1.12.0
>
>
> The interface:
> {code:java}
> /**
> * Listener about the status of file.
> */
> @Internal
> public interface FileLifeCycleListener<IN, BucketID> {
> /**
> * Notifies a new file has been opened.
> *
> * <p>Note that this does not mean that the file has been created in the file
> system. It is
> * only created logically and the actual file will be generated after it is
> committed.
> *
> * @param bucket The bucket of newly opened file.
> * @param newPath The path of newly opened file.
> */
> void openPartFile(Bucket<IN, BucketID> bucket, Path newPath);
> }
> {code}
> Currently, only supports fileCreated. It can be set to Buckets like
> {{BucketLifeCycleListener}}
> FLINK-19345 depends on this to compact files in downstream operator
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