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https://issues.apache.org/jira/browse/HDFS-14850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lisheng Sun updated HDFS-14850:
-------------------------------
    Component/s: httpfs

> Optimize FileSystemAccessService#getFileSystemConfiguration
> -----------------------------------------------------------
>
>                 Key: HDFS-14850
>                 URL: https://issues.apache.org/jira/browse/HDFS-14850
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: httpfs
>            Reporter: Lisheng Sun
>            Assignee: Lisheng Sun
>            Priority: Major
>         Attachments: HDFS-14850.001.patch, HDFS-14850.002.patch
>
>
> {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´╝îwhen 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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