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Is it a good practice to use HDFS for multiple small files?

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It is not a good practice to use HDFS for multiple small files because NameNode is an expensive high performance system. Occupying the NameNode space with the unnecessary amount of metadata generated for each of the small multiple files is not sensible. If there is a large file with loads of data, then it is always a wise move to use HDFS because it will occupy less space for metadata and provide optimized performance.

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