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  1. Hadoop Common
  2. HADOOP-2552

enable hdfs permission checking by default

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.16.0
    • Component/s: None
    • Labels:
      None

      Description

      We should enable permission checking in dfs by default. Currently, on upgrade, all file permissions are 777, so this is a back-compatible change. After an upgrade folks can change owners and groups and limit permissions, and things will work as expected.

      The current default, dfs.permissions=false, gives inconsistent behaviour: permissions are displayed in 'ls' and returned by the FileSystem APIs, but they're not enforced. In future releases we will certainly want dfs.permissions=true to be the default, and making it so now will thus also avoid an incompatible change.

      dfs.permissions=false should be an optional, non-default configuration that some sites may decide to use. It is further defined in HADOOP-2543.

        Attachments

        1. HADOOP-2552.patch
          0.4 kB
          Doug Cutting

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            • Assignee:
              cutting Doug Cutting
              Reporter:
              cutting Doug Cutting
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              • Created:
                Updated:
                Resolved: