Ray Chiang created YARN-5078:
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Summary: [Umbrella] NodeManager health checker improvements
Key: YARN-5078
URL: https://issues.apache.org/jira/browse/YARN-5078
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Reporter: Ray Chiang
Assignee: Ray Chiang
There have been a bunch of NodeManager health checker improvement requests in
the past.
Right now, I expect that initially there just need to be a bunch of base
functionality added. The most obvious parts are:
- Finding appropriate measurements of health
- Storing measurements as metrics. This should allow easy comparison of good
nodes and bad nodes. This should eventually lead to threshold
blacklisting/whitelisting.
- Adding metrics to the NodeManager UI
After this basic functionality is added, we can start consider some enhanced
form of NodeManager health status conditions.
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