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Posted to hdfs-dev@hadoop.apache.org by "Eli Collins (JIRA)" <ji...@apache.org> on 2012/09/18 02:23:07 UTC

[jira] [Created] (HDFS-3945) HDFS conf is loading MR and YARN config files

Eli Collins created HDFS-3945:
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             Summary: HDFS conf is loading MR and YARN config files
                 Key: HDFS-3945
                 URL: https://issues.apache.org/jira/browse/HDFS-3945
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.0.0-alpha
            Reporter: Eli Collins


When running a recent trunk build and looking at the loaded NN conf (via  /conf on the Web UI) I noticed that we're loading all the mapred* and yarn* configuration options, rather than just core* and hdfs* and the things they may load. We shouldn't load everything because it pollutes the config space and also because these config files may override an option already configured in the core or hdfs config files (which is how I noticed this). Marking this as an incompatible change since fixing this will break people who are currently setting HDFS options via non-HDFS site files.

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