Rui Li created STORM-3588:
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Summary: RAS scheduler should not pre-empt and evict topologies
due to generic resource
Key: STORM-3588
URL: https://issues.apache.org/jira/browse/STORM-3588
Project: Apache Storm
Issue Type: Improvement
Reporter: Rui Li
Assignee: Rui Li
Currently, when we enabled generic resource support in our cluster, RAS
scheduler will evict scheduled topologies if new inappropriate asks for crazy
amount of generic resources.
We have identified the currently getScore() function in
DefaultSchedulingPriorityStrategy does not consider the generic resource
factor. Ideally, if user topology is asking way too much generic resources, it
should be assigned lower priority in scheduling and won't affect other running
topologies.
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