[jira] [Created] (STORM-1723) Introduce ClusterMetricsConsumer

["Jungtaek Lim (JIRA)" <ji...@apache.org>]

Jungtaek Lim created STORM-1723:
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             Summary: Introduce ClusterMetricsConsumer
                 Key: STORM-1723
                 URL: https://issues.apache.org/jira/browse/STORM-1723
             Project: Apache Storm
          Issue Type: New Feature
          Components: storm-core
    Affects Versions: 2.0.0, 1.0.1
            Reporter: Jungtaek Lim
            Assignee: Jungtaek Lim


NOTE: This issue is already discussed shortly. Please refer [here|http://mail-archives.apache.org/mod_mbox/storm-dev/201604.mbox/%3CCAF5108hDCcMKxLXKUYLReOoKkNNdgW2YudweR+mKr=1hLSL2Ew@mail.gmail.com%3E] for details.

This issue focuses to introduce ClusterMetricsConsumer and provide interface to let users plugin their consumers.

ClusterMetricsConsumers will be attached to Nimbus, and leader of Nimbus will push cluster related metrics to ClusterMetricsConsumer.

Requirements of ClusterMetricsConsumer are here:

- Only leader of Nimbus should publish cluster metrics to consumer.
- Nimbus shouldn't be affected by crashing or heavy latency on consumer.
- Consumer should have resilient when crashing or Nimbus should take care of.



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