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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8053) Move DFSIn/OutputStream and related classes to hadoop-hdfs-client
Date Fri, 25 Sep 2015 17:56:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14908409#comment-14908409
] 

Haohui Mai commented on HDFS-8053:
----------------------------------

{code}
-    static {
-      //Ensure that HDFS Configuration files are loaded before trying to use
-      // the renewer.
-      HdfsConfiguration.init();
-    }
-    
{code}

It might make sense to create a new class {{HdfsConfigurationLoader}} in the {{hadoop-hdfs-client}}
package and load the default configuration there.

> Move DFSIn/OutputStream and related classes to hadoop-hdfs-client
> -----------------------------------------------------------------
>
>                 Key: HDFS-8053
>                 URL: https://issues.apache.org/jira/browse/HDFS-8053
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: build
>            Reporter: Haohui Mai
>            Assignee: Mingliang Liu
>         Attachments: HDFS-8053.000.patch, HDFS-8053.001.patch, HDFS-8053.002.patch
>
>
> This jira tracks the effort of moving the {{DFSInputStream}} and {{DFSOutputSream}} classes
from {{hadoop-hdfs}} to {{hadoop-hdfs-client}} module.
> Guidelines:
> * As the {{DFSClient}} is heavily coupled to these two classes, we should move it together.
> * Related classes should be addressed in separate jiras if they're independent and complex
enough.
> * The checkstyle warnings can be addressed in [HDFS-8979 | https://issues.apache.org/jira/browse/HDFS-8979]
> * Removing the _slf4j_ logger guards when calling {{LOG.debug()}} and {{LOG.trace()}}
can be addressed in [HDFS-8971 | https://issues.apache.org/jira/browse/HDFS-8971].



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