Zhipeng Zhang created FLINK-31410:
-------------------------------------
Summary: ListStateWithCache Should support incremental snapshot
Key: FLINK-31410
URL: https://issues.apache.org/jira/browse/FLINK-31410
Project: Flink
Issue Type: Bug
Components: Library / Machine Learning
Affects Versions: ml-2.2.0
Reporter: Zhipeng Zhang
In Flink ML, we used ListStateWithCache [2] to enable caching data in memory
and filesystem. However, it does not support incremental snapshot now — It
writes all the data to checkpoint stream when calling snapshot [1], which could
be inefficient.
[1][https://github.com/apache/flink-ml/blob/master/flink-ml-iteration/src/main/java/org/apache/flink/iteration/datacache/nonkeyed/DataCacheSnapshot.java#L116]
[2][https://github.com/apache/flink-ml/blob/master/flink-ml-iteration/src/main/java/org/apache/flink/iteration/datacache/nonkeyed/ListStateWithCache.java]
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
