Nick Allen created METRON-1888:
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Summary: Default Topology Settings in MPack Cause Profiler to Stall
Key: METRON-1888
URL: https://issues.apache.org/jira/browse/METRON-1888
Project: Metron
Issue Type: Bug
Reporter: Nick Allen
Assignee: Nick Allen
The default max spout pending set by the Mpack for the Profiler topology is
300. This value is too low and causes the topology to stall and stop consuming
messages.
The Profiler topology is the only Metron topology that uses Storm's windowing
support. Storm will queue up messages for the window length (by default 30
seconds) and process each of those windows.
This causes Storm to need to "hang on" to tuples longer than the other
topologies and this requires a much greater max spout pending value.
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