Piotr Nowojski created FLINK-25276:
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Summary: Support native and incremental savepoints
Key: FLINK-25276
URL: https://issues.apache.org/jira/browse/FLINK-25276
Project: Flink
Issue Type: New Feature
Reporter: Piotr Nowojski
Motivation. Currently with non incremental canonical format savepoints, with
very large state, both taking and recovery from savepoints can take very long
time. Providing options to take native format and incremental savepoint would
alleviate this problem.
In the past the main challenge lied in the ownership semantic and files clean
up of such incremental savepoints. However with FLINK-25154 implemented some of
those concerns can be solved. Incremental savepoint could leverage "force full
snapshot" mode provided by FLINK-25192, to duplicate/copy all of the savepoint
files out of the Flink's ownership scope.
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