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What are compression codecs available in hadoop ?



DEFLATE – This compression format doesn’t support splitting for mapreduce processing
gzip – This format also doesn’t support splitting for mapreduce processing
bzip2 – It supports splitting for mapreduce processing
LZO – With the help of indexer tool that comes with Hadoop LZO libraries, LZO files can be made splittable.
Snappy – Supports splitting.
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