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https://issues.apache.org/jira/browse/FLINK-25528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17494350#comment-17494350
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刘方奇 commented on FLINK-25528:
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[~yunta] THX for your reply, there is no problem when we read incremental
checkpoint. But we can not write the incremental checkpoint, even we set the
rocksDb backend option.
We can check the code detail in
org.apache.flink.state.api.output.SnapshotUtils#snapshot, there is a Checkpoint
Options that set the checkpoint type to SAVEPOINT.
> state processor api do not support increment checkpoint
> -------------------------------------------------------
>
> Key: FLINK-25528
> URL: https://issues.apache.org/jira/browse/FLINK-25528
> Project: Flink
> Issue Type: Improvement
> Components: API / State Processor, Runtime / State Backends
> Reporter: 刘方奇
> Priority: Major
>
> As the title, in the state-processor-api, we use the savepoint opition to
> snapshot state defaultly in org.apache.flink.state.api.output.SnapshotUtils.
> But in many cases, we maybe need to snapshot state incremently which have
> better performance than savepoint.
> Shall we add the config to chose the checkpoint way just like flink stream
> backend?
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