[jira] [Created] (HADOOP-17876) ABFS to log @ debug each config option *And where it comes from*

["Steve Loughran (Jira)" <ji...@apache.org>]

Steve Loughran created HADOOP-17876:
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             Summary: ABFS to log @ debug each config option *And where it comes from*
                 Key: HADOOP-17876
                 URL: https://issues.apache.org/jira/browse/HADOOP-17876
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/azure
    Affects Versions: 3.3.1
            Reporter: Steve Loughran


as with the other stores, there's a lot of options in abfs related to authentication, and when they are misconfigured, nothing works.

cloudstore's storediag can print out the options and their origins, but it's a command line tool, so cannot debug what applications like spark or hive are getting. 

Proposed: as each config option is resolved, print out where it came from, including which jcecks credential provider. 



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