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Posted to hdfs-dev@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2020/04/08 00:47:00 UTC

[jira] [Created] (HDFS-15269) NameNode should check the authorization API version only once during initialization

Wei-Chiu Chuang created HDFS-15269:
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             Summary: NameNode should check the authorization API version only once during initialization
                 Key: HDFS-15269
                 URL: https://issues.apache.org/jira/browse/HDFS-15269
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 3.3.0
            Reporter: Wei-Chiu Chuang


After HDFS-14743, every authorization check logs a messages like the following

{noformat}
2020-04-07 23:44:55,276 INFO org.apache.hadoop.security.UserGroupInformation: Default authorization provider supports the new authorization provider API
2020-04-07 23:44:55,276 INFO org.apache.hadoop.security.UserGroupInformation: Default authorization provider supports the new authorization provider API
2020-04-07 23:44:55,277 INFO org.apache.hadoop.security.UserGroupInformation: Default authorization provider supports the new authorization provider API
2020-04-07 23:44:55,278 INFO org.apache.hadoop.security.UserGroupInformation: Default authorization provider supports the new authorization provider API
{noformat}

The intend was to check for authorization provider's API compatibility during initialization. This will result in serious performance regression.



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