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Posted to notifications@accumulo.apache.org by "Christopher Tubbs (JIRA)" <ji...@apache.org> on 2015/05/30 00:26:17 UTC

[jira] [Created] (ACCUMULO-3872) Recommend consistent host identification

Christopher Tubbs created ACCUMULO-3872:
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             Summary: Recommend consistent host identification
                 Key: ACCUMULO-3872
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3872
             Project: Accumulo
          Issue Type: Task
          Components: docs
            Reporter: Christopher Tubbs
             Fix For: 1.8.0


ACCUMULO-3216 revealed a problem with users mixing and matching host identification schemes. Users should be careful to identify hosts consistently. 

We should make this recommendation in the user manual indicating a preference for DNS/hostnames over IP addresses (because it's easier to make configuration changes and is required for Kerberos-enabled Hadoop, and in general is more robust).

We could also add a one-time warning during {{accumulo init}} or when services are started if we see an IP address in the configuration rather than a hostname, just to make sure users are aware of potential pitfalls.



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