Zhengdai Hu created STORM-3151:
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Summary: Negative Scheduling Resource/Overscheduling issue
Key: STORM-3151
URL: https://issues.apache.org/jira/browse/STORM-3151
Project: Apache Storm
Issue Type: Bug
Components: storm-server
Affects Versions: 2.0.0
Reporter: Zhengdai Hu
Fix For: 2.0.0
Possible overscheduling captured when follow steps are performed
1) launch nimbus & zookeeper
2) launch supervisor 1
3) launch topology 1 (I used org.apache.storm.starter.WordCountTopology)
4) launch supervisor 2
5) launch topology 2 (I used org.apache.storm.starter.ExclamationTopology)
{noformat}
2018-07-13 12:58:43.196 o.a.s.d.n.Nimbus timer [WARN] Memory over-scheduled on
176ec6d4-2df3-40ca-95ca-c84a81dbcc22-172.130.97.212
{noformat}
Indicating there may be issues inside scheduler.
It is discovered when I ported ClusterSummay to StormMetrics
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