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Posted to hdfs-dev@hadoop.apache.org by "Lisheng Sun (Jira)" <ji...@apache.org> on 2019/09/16 02:27:00 UTC

[jira] [Created] (HDFS-14850) Optimize FileSystemAccessService#getFileSystemConfiguration

Lisheng Sun created HDFS-14850:
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             Summary: Optimize FileSystemAccessService#getFileSystemConfiguration
                 Key: HDFS-14850
                 URL: https://issues.apache.org/jira/browse/HDFS-14850
             Project: Hadoop HDFS
          Issue Type: Improvement
         Environment: *strong text*
            Reporter: Lisheng Sun
            Assignee: Lisheng Sun


{code:java}
 @Override
  public Configuration getFileSystemConfiguration() {
    Configuration conf = new Configuration(true);
    ConfigurationUtils.copy(serviceHadoopConf, conf);
    conf.setBoolean(FILE_SYSTEM_SERVICE_CREATED, true);

    // Force-clear server-side umask to make HttpFS match WebHDFS behavior
    conf.set(FsPermission.UMASK_LABEL, "000");

    return conf;
  }
{code}
As above code,when call FileSystemAccessService#getFileSystemConfiguration,current code  new Configuration every time.  
It is not necessary and affects performance. I think it only need to new Configuration in FileSystemAccessService#init once and  FileSystemAccessService#getFileSystemConfiguration get it.



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