GitHub user casidiablo opened a pull request:
https://github.com/apache/flink/pull/5182
[FLINK-8162] [kinesis-connector] Emit Kinesis' millisBehindLatest metric
## What is the purpose of the change
- Emits [Kinesis'
millisBehindLatest](http://docs.aws.amazon.com/kinesis/latest/APIReference/API_GetRecords.html)
metric, which can be used to detect delays in the pipeline
## Brief change log
- Publish `millisBehindLatest` as a gauge metric under the `Kinesis`
group using `<shard_id>` as parameter
- Updated metrics documentation
## Verifying this change
This change is already covered by existing tests, such as
`ShardConsumerTest`.
## 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? yes
- If yes, how is the feature documented? `metrics.md` file
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/casidiablo/flink kinesis-fork
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5182.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 #5182
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commit bc8426ec3be364323d65cedcc1c1c5cb4e442c8b
Author: Cristian <[email protected]>
Date: 2017-12-19T15:14:22Z
Emit Kinesis' millisBehindLatest metric
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