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Posted to notifications@accumulo.apache.org by "Christopher Tubbs (JIRA)" <ji...@apache.org> on 2013/06/19 23:02:20 UTC

[jira] [Created] (ACCUMULO-1524) Abstract file pointers in metadata table

Christopher Tubbs created ACCUMULO-1524:
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             Summary: Abstract file pointers in metadata table
                 Key: ACCUMULO-1524
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1524
             Project: Accumulo
          Issue Type: Improvement
            Reporter: Christopher Tubbs


ACCUMULO-118 interprets full URIs for file entries. It may be useful to instead to store a VolumeID + path, with a separate VolumeID -> URI mapping in configuration, for a level of indirection. This helps keep the METADATA from needing to be rewritten in strange cases, like moving a namenode from one host to another, or DNS name/IP address of namenode changes, or switching to a redundant fail-over DFS instance.

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