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Posted to hdfs-dev@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2015/11/03 02:29:27 UTC

[jira] [Created] (HDFS-9364) Unnecessary DNS resolution attempts when NameNodeProxies

Xiao Chen created HDFS-9364:
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             Summary: Unnecessary DNS resolution attempts when NameNodeProxies
                 Key: HDFS-9364
                 URL: https://issues.apache.org/jira/browse/HDFS-9364
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Xiao Chen
            Assignee: Xiao Chen


When creating NameNodeProxies, we always try to DNS-resolve namenode URIs. This is unnecessary if the URI is logical, and may be significantly slow if the DNS is having problems. 



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