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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10490) OperatorSnapshotUtil should probably use SavepointV2Serializer
Date Wed, 24 Oct 2018 13:35:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16662292#comment-16662292

ASF GitHub Bot commented on FLINK-10490:

dawidwys commented on issue #6910: [FLINK-10490][tests] OperatorSnapshotUtil should use SavepointV2Seria…
URL: https://github.com/apache/flink/pull/6910#issuecomment-432657823
   The changes look good. 
   I am just wondering though, does it mean that all savepoints that we use in migration tests
were written with V1 format? If so, isn't it a problem? Do those serializers are actually
compatible in a way that savepoint written with V1 format can be read with V2? (Apparently
it does as all tests pass)

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> OperatorSnapshotUtil should probably use SavepointV2Serializer
> --------------------------------------------------------------
>                 Key: FLINK-10490
>                 URL: https://issues.apache.org/jira/browse/FLINK-10490
>             Project: Flink
>          Issue Type: Test
>          Components: Tests
>    Affects Versions: 1.7.0
>            Reporter: Stefan Richter
>            Priority: Major
>              Labels: pull-request-available
> {{OperatorSnapshotUtil}} is used for testing savepoint migration. This utility internally
still uses {{SavepointV1Serializer}} and I would assume that it should use {{SavepointV2Serializer}}.
I wonder if that means that some newer cases are actually not covered in the migration tests.

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