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Posted to hdfs-dev@hadoop.apache.org by "Haohui Mai (JIRA)" <ji...@apache.org> on 2015/08/29 09:01:45 UTC

[jira] [Created] (HDFS-8991) Provide information on BPOfferService in DN JMX and UI

Haohui Mai created HDFS-8991:
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             Summary: Provide information on BPOfferService in DN JMX and UI
                 Key: HDFS-8991
                 URL: https://issues.apache.org/jira/browse/HDFS-8991
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Haohui Mai
            Assignee: Mingliang Liu


In cases like HDFS-7714 where the BPOfferService thread is missing, which require nontrivial effort to debug that which NN that the DN thinks it active / standby.

It would make sense to make the information more accessible through JMX or Web UI.



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