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Posted to dev@storm.apache.org by "Li Wang (JIRA)" <ji...@apache.org> on 2015/08/26 07:50:46 UTC

[jira] [Created] (STORM-1007) Add more metrics to DisruptorQueue

Li Wang created STORM-1007:
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             Summary: Add more metrics to DisruptorQueue
                 Key: STORM-1007
                 URL: https://issues.apache.org/jira/browse/STORM-1007
             Project: Apache Storm
          Issue Type: Bug
            Reporter: Li Wang
            Assignee: Li Wang


The metrics of the queues for each component are very helpful to reason about the performance issues of a topology.

For instance, for the applications with strong time constraint (e.g., threat detection), if the elements in the input queue of a bolt have a long sojourn time, it indicates that the user should increase the parallelism of that bolt to reduce the processing delay.

However, the metrics on the DisruptorQueue currently available are limited. More useful metrics, such as average sojourn time and average throughput are expected.



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