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https://issues.apache.org/jira/browse/FLINK-15253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17336356#comment-17336356
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Flink Jira Bot commented on FLINK-15253:
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This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> Accumulators are not checkpointed
> ---------------------------------
>
> Key: FLINK-15253
> URL: https://issues.apache.org/jira/browse/FLINK-15253
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream, Runtime / Checkpointing
> Reporter: Maximilian Michels
> Priority: Major
> Labels: stale-major
>
> Accumulators are not checkpointed which make them relatively useless for
> streaming applications. They are also tied to the heartbeat (FLINK-15252),
> which makes them fragile.
> We could consider deactivating accumulators in streaming mode since they seem
> to originally be a batch feature.
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