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Posted to issues@storm.apache.org by "Rui Li (Jira)" <ji...@apache.org> on 2020/02/21 22:04:00 UTC

[jira] [Created] (STORM-3588) RAS scheduler should not pre-empt and evict topologies due to generic resource

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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