Avro vs. Parquet

Avro is a Row based format. If you want to retrieve the data as a whole you can use Avro

Parquet is a Column based format. If your data consists of a lot of columns but you are interested in a subset of columns then you can use Parquet

HBase is useful when frequent updating of data is involved. Avro is fast in retrieval, Parquet is much faster.

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