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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