[jira] [Updated] (FLINK-9574) Add a dedicated documentation page for state evolution

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann updated FLINK-9574:
---------------------------------
    Fix Version/s:     (was: 1.6.0)
                   1.7.0

> Add a dedicated documentation page for state evolution
> ------------------------------------------------------
>
>                 Key: FLINK-9574
>                 URL: https://issues.apache.org/jira/browse/FLINK-9574
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Documentation, State Backends, Checkpointing, Type Serialization System
>            Reporter: Tzu-Li (Gordon) Tai
>            Assignee: Tzu-Li (Gordon) Tai
>            Priority: Critical
>             Fix For: 1.7.0
>
>
> Currently, the only bit of documentation about serializer upgrades / state evolution, is [https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/stream/state/custom_serialization.html#handling-serializer-upgrades-and-compatibility.], which only explains things at an API level.
> State evolution over the time has proved to be a rather complex topic that is often overlooked by users. Users would probably benefit from a actual full-grown dedicated page that covers both API, some necessary internal details regarding interplay of state serializers, best practices, and caution notices.
> I propose to add this documentation as a subpage under Streaming/State & Fault-Tolerance/.



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