When you work with Apache Hadoop, one of the key design decisions that you take is to identify the most appropriate data structures for storing your data in HDFS. In general, Apache Hadoop provides different data storage for any kind of data, which could be text data, image data, or any other binary data format. We will be looking at different data structures supported by HDFS, as well as other ecosystems, in this section.
Working with data structures in HDFS
Understanding SequenceFile
Hadoop SequenceFile is one of the most commonly used file formats for all HDFS storage. SequenceFile is a binary file format that persists all of the data that is passed to Hadoop in <key, value> pairs in a serialized form, depicted in...