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https://issues.apache.org/jira/browse/FLINK-9887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16565007#comment-16565007
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ASF GitHub Bot commented on FLINK-9887:
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StefanRRichter opened a new pull request #6467: [FLINK-9887] Ensure serializer
upgrades work with timer service remake
URL: https://github.com/apache/flink/pull/6467
## Brief change log
This PR sits on top of #6438, so review only needs to consider commits
starting from a9978de.
Adds checks for serializer compatibility and ensures that the new serializer
if propagated to the meta-data in all places where priority-queue state is
created.
## Verifying this change
Mainly by a test case added to `StateBackendTestBase`.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (yes)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
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> Ensure serializer upgrades work with timer service remake
> ---------------------------------------------------------
>
> Key: FLINK-9887
> URL: https://issues.apache.org/jira/browse/FLINK-9887
> Project: Flink
> Issue Type: Sub-task
> Components: State Backends, Checkpointing
> Affects Versions: 1.6.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.6.0
>
>
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