GitHub user sihuazhou opened a pull request:
https://github.com/apache/flink/pull/5734
[FLINK-9026][Metrics] Close the TaskManagerMetricGroup when the
TaskExecutor is shut down
## What is the purpose of the change
We should close the `TaskManagerMetricGroup` when the `TaskExecutor` is
shutdown.
## Brief change log
- close the `TaskManagerMetricGroup` when the `TaskExecutor` is shutdown.
## Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes /
**no** / don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (not applicable / docs /
JavaDocs / **not documented**)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sihuazhou/flink FLINK_9026
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5734.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 #5734
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commit 94ecbc87e53b4fff306a864971f164c765122194
Author: sihuazhou <summerleafs@...>
Date: 2018-03-21T09:46:31Z
close the TaskManagerMetricGroup when the TaskExecutor is shut down
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