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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2017/03/03 16:35:45 UTC

[jira] [Closed] (FLINK-5958) Asynchronous snapshots for heap-based keyed state backends

     [ https://issues.apache.org/jira/browse/FLINK-5958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek closed FLINK-5958.
-----------------------------------
    Resolution: Duplicate

[~srichter] please transfer the text and PR to the older issue. (If you need the newer description there.

> Asynchronous snapshots for heap-based keyed state backends
> ----------------------------------------------------------
>
>                 Key: FLINK-5958
>                 URL: https://issues.apache.org/jira/browse/FLINK-5958
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.3.0
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>
> The synchronous checkpointing mechanism of all heap-based keyed state backends is often painful for users because it stops processing for the duration of the checkpoint.
> We could implement an option for heap-based keyed state backends that allows for asynchronous checkpoints, using copy-on-write.



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