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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5979) Backwards compatibility for HeapKeyedStateBackend serialization format (1.2 -> 1.3)
Date Tue, 07 Mar 2017 11:02:37 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15899244#comment-15899244
] 

ASF GitHub Bot commented on FLINK-5979:
---------------------------------------

GitHub user StefanRRichter opened a pull request:

    https://github.com/apache/flink/pull/3483

    [FLINK-5979] Backwards compatibility for HeapKeyedStateBackend serialization format (1.2
-> 1.3)

    This PR re-establishes the broken backwards compatibility in the serialization format
of `KeyedStateTable` between Flink 1.2 and Flink 1.3.
    
    This PR sits on top of #3466 .

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/StefanRRichter/flink state-table-interface-backwards-compatibility

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/3483.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3483
    
----
commit dd0863fc029a0d5ab3d52bb402663c8543f7f483
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-02-20T17:12:10Z

    Introduce abstraction for StateTable

commit a0cc386d29dd6a76926fb260cac43019add5bc2a
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-03-03T09:51:15Z

    Improved copy performance for ArrayListSerializer

commit 222ae47622372268af895a1c3e4d559b5ece87ab
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-03-03T09:25:43Z

    Improve ManualWindowSpeedITCase by randomizing the access pattern

commit fdae4cd7674a755c43260e6b7ba756431157c141
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-03-03T09:50:52Z

    Additional unit tests

commit e13237e025691a4e3500e984c9b50364d916aa8c
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-03-03T10:08:00Z

    Asynchronous snapshots through CopyOnWriteStateTable

commit e92275b1ecef7fead004d92b5c6fc488dadbb52c
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-03-06T17:04:17Z

    Implement backwards compatibility for state table serialization format.

commit 2b083b84b371d75e1a59feeea1273938325af505
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2017-03-07T10:37:36Z

    Unit test

----


> Backwards compatibility for HeapKeyedStateBackend serialization format (1.2 -> 1.3)
> -----------------------------------------------------------------------------------
>
>                 Key: FLINK-5979
>                 URL: https://issues.apache.org/jira/browse/FLINK-5979
>             Project: Flink
>          Issue Type: New Feature
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.3.0
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>             Fix For: 1.3.0
>
>
> Changes in {{HeapKeyedStateBackend}} for Flink 1.3 have triggered a change of the serialization
format. This issue tracks the backwards compatibility story between the format in 1.2 and
1.3.



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