What are the differences among Parquet, Avro and compression codecs in Hadoop?

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Gopal Raj

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avro is row level compression format and parquet is column level compression
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Avro is used for containing Avro serilized object Parquet is a kind of file format and it is allowd colomnized storage. it is space efficient. you also can used somany more efficent formats like IFF and JPG for images) and less so (PSD)
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