wantTenFields: `3389224,2,2014-03-26 00:26:15,2014-03-26 00:28:38,N,1,-73.950431823730469,40.792251586914063,-73.938949584960937,40.79442...

min_temp wind pickup_nyct2010_gid pickup_ctlabel pickup_borocode pickup_boroname pickup_ct2010 pickup_boroct2010 pickup_cdeligibil pickup_ntacode pickup_ntaname pickup_puma dropoff_nyct2010_gid dropoff_ctlabel dropoff_borocode dropoff_boroname dropoff_ct2010 dropoff_boroct2010 dropoff_cdeligibil dropoff_ntacode dropoff_ntaname dropoff_puma 3389224 2 2014-03-26 00:26:15 2014-03-26 00:28:38 N 1 -73.950431823730469 40.792251586914063 -73.938949584960937 40.794425964355469 1 0.84 4.5 0.5 0.5 1 0 6.5 1 1 75...

```
cat ${HADOOP_CONF_DIR}/core-site.xml | kv-pairify | grep "mapred"

mapred.maxthreads.generate.mapoutput=2 # Num threads to write map outputs
mapred.maxthreads.partition.closer=0 # Asynchronous map flushers
mapreduce.fileoutputcommitter.algorithm.version=2 # Use the latest committer version

		// Returns an empty int slice for cardinality < 0.
		return nil
	}

	nums := make([]int, cardinality)
	keyCrc := crc32.Checksum([]byte(key), crc32.IEEETable)

	start := int(keyCrc % uint32(cardinality))
	for i := 1; i <= cardinality; i++ {
		nums[i-1] = 1 + ((start + i) % cardinality)
	}
	return nums
}

// Reads all `xl.meta` metadata as a FileInfo slice.