Jungtaek Lim created STORM-1832:
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Summary: Consistently slow metrics consumer triggers backpressure
which will be never back to normal
Key: STORM-1832
URL: https://issues.apache.org/jira/browse/STORM-1832
Project: Apache Storm
Issue Type: Bug
Components: storm-core
Affects Versions: 1.0.0, 2.0.0, 1.0.1
Reporter: Jungtaek Lim
Assignee: Jungtaek Lim
Priority: Critical
If metrics consumer is too slow to keep up processing received messages,
eventually backpressure is triggered. Spout throttles, but metrics messages are
not throttled so it could be chance for topology to be never back to normal.
While STORM-1698 can resolve this issue, I made this issue to clarify this
behavior and mark this as 'bug'.
If you'd like to see its symptom, please refer here:
https://github.com/apache/storm/pull/1324#issuecomment-218962460
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