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---
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id: cassandra
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title: "Apache Cassandra"
---
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To use this Apache Druid extension, [include ](../../development/extensions.md#loading-extensions ) `druid-cassandra-storage` in the extensions load list.
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[Apache Cassandra ](http://www.datastax.com/what-we-offer/products-services/datastax-enterprise/apache-cassandra ) can also
be leveraged for deep storage. This requires some additional Druid configuration as well as setting up the necessary
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schema within a Cassandra keystore.
