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https://issues.apache.org/jira/browse/FLINK-7831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16202217#comment-16202217
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ASF GitHub Bot commented on FLINK-7831:
---
GitHub user tillrohrmann opened a pull request:
https://github.com/apache/flink/pull/4817
[FLINK-7831] Make last received heartbeat retrievable
## What is the purpose of the change
This commit adds functionality to retrieve the last received heartbeat from
the HeartbeatManager.
## Verifying this change
- `HeartbeatManagerTest#testLastHeartbeatFrom` and
`HeartbeatManager#testLastHeartbeatFromUnregisteredTarget`
## 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)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tillrohrmann/flink addLastHeartbeat
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4817.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 #4817
commit 9f86e7393d7825a16faf2cf91cb7ac9e6f511bff
Author: Till
Date: 2017-10-12T16:24:02Z
[FLINK-7831] Make last received heartbeat retrievable
This commit adds functionality to retrieve the last received heartbeat from
the HeartbeatManager.
> Retrieve last received heartbeat from HeartbeatManager
> --
>
> Key: FLINK-7831
> URL: https://issues.apache.org/jira/browse/FLINK-7831
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
>Affects Versions: 1.4.0
>Reporter: Till Rohrmann
>Assignee: Till Rohrmann
>Priority: Minor
> Labels: flip-6
>
> In order to serve the information needed for the Web UI the
> {{HeartbeatManager}} should expose when it received the last heartbeat from
> the individual {{TaskExecutors}}.
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