[STORM-3151] Negative Scheduling Resource/Overscheduling issue

• Type: Bug
• Status: Open
• Priority: Critical
• Resolution: Unresolved
• Affects Version/s: 2.0.0
• Component/s: storm-server
• Assignee: Unassigned
• Reporter: Zhengdai Hu
• Created: 13/Jul/18 19:40
• Updated: 16/Jul/18 21:17

Description

Possible overscheduling captured when follow steps are performed (Logging is added in STORM-3147)

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)

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

Indicating there may be issues inside scheduler.
It is discovered when I ported ClusterSummay to StormMetrics

Issue Links

• relates to: STORM-3147 Port ClusterSummary as Metrics to StormMetricsRegistry