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https://issues.apache.org/jira/browse/FLINK-15253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17328151#comment-17328151
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Flink Jira Bot commented on FLINK-15253:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> 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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