The file format for hadoop tools is a sequence file. For most queries this is the second slowest format, after text. Rcfile or parquet would be a more interesting benchmark.
HDFS now supports placement groups with one use case being columnar storage.
The file format for hadoop tools is a sequence file. For most queries this is the second slowest format, after text. Rcfile or parquet would be a more interesting benchmark.
HDFS now supports placement groups with one use case being columnar storage.