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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2015/02/10 17:50:12 UTC

[jira] [Created] (HADOOP-11574) Uber-JIRA: improve Hadoop network resilience & diagnostics

Steve Loughran created HADOOP-11574:
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             Summary: Uber-JIRA: improve Hadoop network resilience & diagnostics
                 Key: HADOOP-11574
                 URL: https://issues.apache.org/jira/browse/HADOOP-11574
             Project: Hadoop Common
          Issue Type: Task
          Components: net
    Affects Versions: 2.6.0
            Reporter: Steve Loughran


Improve Hadoop's resilience to bad network conditions/problems, including

* improving recognition of problem states
* improving diagnostics
* better handling of IPv6 addresses, even if the protocol is unsupported.
* better behaviour client-side when there are connectivity problems. (i.e while some errors you can spin on, DNS failures are not on the list)



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