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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-14970) MiniHadoopClusterManager doesn't respect lack of format option
Date Fri, 20 Oct 2017 18:17:00 GMT
Erik Krogen created HADOOP-14970:
------------------------------------

             Summary: MiniHadoopClusterManager doesn't respect lack of format option
                 Key: HADOOP-14970
                 URL: https://issues.apache.org/jira/browse/HADOOP-14970
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Erik Krogen
            Assignee: Erik Krogen
            Priority: Minor


The CLI MiniCluster, {{MiniHadoopClusterManager}}, says that by default it does not format
its directories, and provides the {{-format}} option to specify that it should do so. However,
it builds its {{MiniDFSCluster}} like:
{code}
      dfs = new MiniDFSCluster.Builder(conf).nameNodePort(nnPort)
          .nameNodeHttpPort(nnHttpPort).numDataNodes(numDataNodes)
          .startupOption(dfsOpts).build();
{code}
{{MiniDFSCluster.Builder}}, by default, sets {{format}} to true, so even though the {{startupOption}}
is {{REGULAR}}, it will still format regardless of whether or not the flag is supplied.



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