URI uri = new URI(url);
Path outputDir = new Path(props.getString("build.output.dir"), uri.getHost());
Path inputPath = getInputPath();
String keySelection = props.getString("key.selection", null);
String valSelection = props.getString("value.selection", null);
CheckSumType checkSumType = CheckSum.fromString(props.getString("checksum.type",
CheckSum.toString(CheckSumType.MD5)));
boolean saveKeys = props.getBoolean("save.keys", true);
boolean reducerPerBucket = props.getBoolean("reducer.per.bucket", false);
int numChunks = props.getInt("num.chunks", -1);