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Posted to issues@flink.apache.org by "Congxian Qiu (Jira)" <ji...@apache.org> on 2021/01/29 01:30:00 UTC
[jira] [Commented] (FLINK-20976) Unify Binary format for Keyed
State savepoints
[ https://issues.apache.org/jira/browse/FLINK-20976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17274088#comment-17274088 ]
Congxian Qiu commented on FLINK-20976:
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[~dwysakowicz] thanks very much for pushing this forward. after this issue been resolved, users can switch backend as they want. Please let me if there is any work I can help with here, thanks.
> Unify Binary format for Keyed State savepoints
> ----------------------------------------------
>
> Key: FLINK-20976
> URL: https://issues.apache.org/jira/browse/FLINK-20976
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Checkpointing, Runtime / State Backends
> Reporter: Dawid Wysakowicz
> Priority: Major
> Fix For: 1.13.0
>
>
> The main goal of this proposal is the following:
> * Unify across all state backends a savepoint format for keyed state that is more future-proof and applicable for potential new state backends. Checkpoint formats, by definition, are still allowed to be backend specific.
> * Make it possible to switch a state backend via a savepoint
> * Rework abstractions related to snapshots and restoring, to reduce the overhead and code duplication when attempting to implement a new state backend.
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