Yun Gao created FLINK-17590:
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Summary: Add Bucket lifecycle listener to support acquiring bucket
state
Key: FLINK-17590
URL: https://issues.apache.org/jira/browse/FLINK-17590
Project: Flink
Issue Type: New Feature
Components: Connectors / FileSystem
Reporter: Yun Gao
Fix For: 1.11.0
Hive sink will reuse the Buckets class of StreamingFileSink, which encapsulate
most of the logic of StreamingFileSink. Hive sink requires to writing one-piece
of meta-info into Hive meta store after a partition (namely Bucket in
StreamingFileSink) has been terminated. Currently the termination is judged by
event-time/processing time
([FLIP-115|[https://cwiki.apache.org/confluence/display/FLINK/FLIP-115%3A+Filesystem+connector+in+Table]]).
To support the requirement of the Hive Sink, we would add listener for
acquiring the event bucket creation and getting inactive. A bucket get inactive
if all the previous records have been committed. Then Hive Sink could safely
writing meta-info if the time has exceeded the bucket's boundary and it has
been inactive.
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