felse opened a new pull request #8478: [FLINK-12550] fix local input split
assignment for hostnames containing a dot (".")
URL: https://github.com/apache/flink/pull/8478
## What is the purpose of the change
LocatableInputSplitAssigner does not assign input splits locally if the
hostname contains a dot ("."), like in hostname.domain. This PR should fix this
issue.
## Brief change log
The hostnames of the input split locations are now prepared in the same way
as the hostname of the TaskManager that is getting the next input split, before
they are compared to each other.
## Verifying this change
A unit test has been added (testLocalSplitAssignmentForHostWithDomainName in
LocatableSplitAssignerTest). This test fails with all previous versions of
LocatableInputSplitAssigner and passes with the change introcuced in this PR.
## 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: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
- 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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