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https://issues.apache.org/jira/browse/FLINK-7461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16128948#comment-16128948
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ASF GitHub Bot commented on FLINK-7461:
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GitHub user StefanRRichter opened a pull request:
https://github.com/apache/flink/pull/4550
[FLINK-7461] Remove Backwards compatibility with <= Flink 1.1
## Brief change log
This PR removes backwards compatibility with Flink <= 1.1 from the code. In
particular, we can remove many special cases, such as the non-partitionable
state that was created by the `Checkpointed` interface (replaced by
`CheckpointedFunction` in 1.2).
We also drop aligned windows, which have already been a "hidden feature"
since 1.2, because they still rely on the outdated `Checkpointed` interface.
The `Checkpointed` and `CheckpointedRestoring` interfaces are also removed
and all related test cases have either been deleted or adapted.
## Verifying this change
This change is already covered by existing tests, such as *(please describe
tests)*.
## 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)`: (yes)
- The serializers: (yes, SavepointSerializer)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes)
## Documentation
- Does this pull request introduce a new feature? (no)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/StefanRRichter/flink drop-1.1-compatibility
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4550.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 #4550
----
commit 50bbc938f3484e8a0d81511db719ebe296b8df94
Author: Stefan Richter <[email protected]>
Date: 2017-08-14T12:01:03Z
[FLINK-7460] [state backends] Close all ColumnFamilyHandles when restoring
from rescaled incremental checkpoints
commit 95e44099784c9deaf2ca422b8dfc11c3d67d7f82
Author: Stefan Richter <[email protected]>
Date: 2017-08-14T12:02:37Z
[FLINK-7461] Remove Backwards compatibility with <= Flink 1.1
----
> Remove Backwards compatibility for Flink 1.1 from Flink 1.4
> -----------------------------------------------------------
>
> Key: FLINK-7461
> URL: https://issues.apache.org/jira/browse/FLINK-7461
> Project: Flink
> Issue Type: Improvement
> Affects Versions: 1.4.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> This issue tracks the removal of Flink 1.1 backwards compatibility from Flink
> 1.4. This step is helpful for further developments because it will remove
> many old code paths and special cases. In particular, we can drop all
> handling for non-partitionable state, i.e. state that was created with the
> old {{Checkpointed}} interface.
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