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https://issues.apache.org/jira/browse/HADOOP-13972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16363857#comment-16363857
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ASF GitHub Bot commented on HADOOP-13972:
-----------------------------------------

Github user steveloughran commented on a diff in the pull request:

    https://github.com/apache/hadoop/pull/339#discussion_r168154261
  
    --- Diff: 
hadoop-tools/hadoop-azure-datalake/src/main/java/org/apache/hadoop/fs/adl/AdlFileSystem.java
 ---
    @@ -68,12 +69,16 @@
     
     import static org.apache.hadoop.fs.adl.AdlConfKeys.*;
     
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    --- End diff --
    
    statics at the bottom; these should go into the same block as com.*, 
ideally in order. 


> ADLS to support per-store configuration
> ---------------------------------------
>
>                 Key: HADOOP-13972
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13972
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/adl
>    Affects Versions: 3.0.0-alpha2
>            Reporter: John Zhuge
>            Assignee: Sharad Sonker
>            Priority: Major
>
> Useful when distcp needs to access 2 Data Lake stores with different SPIs.
> Of course, a workaround is to grant the same SPI access permission to both 
> stores, but sometimes it might not be feasible.
> One idea is to embed the store name in the configuration property names, 
> e.g., {{dfs.adls.oauth2.<store>.client.id}}. Per-store keys will be consulted 
> first, then fall back to the global keys.



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