> Your local storage should get used for MR. Use Lustre via file:// > (LocalFileSystem, iirc) > instead of HDFS via hdfs:// (DistributedFileSystem, irrc) as the default file > system type.
If Lustre has integrated checksums, you'll want to use the RawLocalFileSystem instead of LocalFileSystem. You'll want to make it accessible via: fs.raw.impl = org.apache.hadoop.fs.RawLocalFileSystem so that urls like raw:///my/path won't go through the Hadoop checksum code. -- Owen