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<Importing and exporting JSON data from Apache Cassandra ⁄ >




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Importing and exporting data from a database is something important, it keeps you save when hardware / software fails and adds the ability to perform common database administration tasks. If something goes wrong you can just recover an earlier made backup.

Cassandra support two different ways of backing up data. The first way is by using the nodetool in combination with the snapshot argument, this creates a complete dump of the data. Before you start using the snapshot tool to create a backup read the documentation online, there are some playing rules involved.

However, in this topic i will discuss the second method. Cassandra provides two applications for exporting and importing data, sstable2json and json2sstable. Like the name suggests, an export is stored in a JSON style formatting, if you want to know more about the JSON data structures i suggest you head over to the following website:



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