Big Data Tools Bytes Data Validation Metadata 
ProjectPro
JANUARY 31, 2023
The end of a data block points to the location of the next chunk of data blocks. DataNodes store data blocks, whereas NameNodes store these data blocks. Learn more about Big Data Tools and Technologies with Innovative and Exciting Big Data Projects Examples. Steps for Data preparation.
ProjectPro
AUGUST 21, 2015
JSON stores both data and schema together in a record and also enables complete schema evolution and splitability. Avro files store metadata with data and also let you specify independent schema for reading the files. If the primary NameNode goes down, the standby will take its place using the most recent metadata that it has.
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