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Posted to dev@storm.apache.org by "troy ding (JIRA)" <ji...@apache.org> on 2014/05/19 08:54:38 UTC

[jira] [Created] (STORM-326) task metric send repeatedly

troy ding created STORM-326:
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             Summary: task metric send repeatedly
                 Key: STORM-326
                 URL: https://issues.apache.org/jira/browse/STORM-326
             Project: Apache Storm (Incubating)
          Issue Type: Bug
    Affects Versions: 0.9.2-incubating, 0.9.1-incubating, 0.9.0.1
         Environment: CentOS 6.4 x64
            Reporter: troy ding


Tasks send unnecessary Metrics and the repeated time is equal to the number of tasks in the executor, which runs them.

Scenario: each time, a task will send repeated metric-tuples to the metricConsumer bolt (the 1st metric-tuple is normal, but the rest contain mostly zero-valued results). 

Causality: when a task receives a metric-tick-tuple, it "mistakenly" triggers all the tasks (belonging to the same executor) sending out metrics.
  



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