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  1. Apache Arrow
  2. ARROW-7309

[Python] Support HDFS federation viewfs://

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      • Add viewfs support to pyarrow.filesystem.resolve_filesystem_and_path
      • libhdfs already supports injecting the scheme and will automatically resolve federation in
        fs = FileSystem#get(URI, conf, ugi)
      • works with Hadoop 2/3

      see:
      https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs/hdfs.c#L770
      https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs/hdfs.c#L637

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              fhoering Fabian Höring
              fhoering Fabian Höring
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