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Posted to issues@flink.apache.org by "Aljoscha Krettek (Jira)" <ji...@apache.org> on 2020/01/03 12:13:00 UTC

[jira] [Updated] (FLINK-15253) Accumulators are not checkpointed

     [ https://issues.apache.org/jira/browse/FLINK-15253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek updated FLINK-15253:
-------------------------------------
    Description: 
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.

  was:
Accumulators are not checkpointed which make them relatively useless for streaming applications. They are also tight 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.


> Accumulators are not checkpointed
> ---------------------------------
>
>                 Key: FLINK-15253
>                 URL: https://issues.apache.org/jira/browse/FLINK-15253
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing
>            Reporter: Maximilian Michels
>            Priority: 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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