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langchain/docs/integrations/cassandra.md
Leonid Ganeline b201cfaa0f docs ecosystem/integrations update 4 (#5590) 
# docs `ecosystem/integrations` update 4

Added missed integrations. Fixed inconsistencies. 

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Cassandra

Cassandra is a free and open-source, distributed, wide-column store, NoSQL database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. Cassandra offers support for clusters spanning multiple datacenters, with asynchronous masterless replication allowing low latency operations for all clients. Cassandra was designed to implement a combination of Amazon's Dynamo distributed storage and replication techniques combined with Google's Bigtable data and storage engine model.

Installation and Setup

pip install cassandra-drive

Memory

See a usage example.

from langchain.memory import CassandraChatMessageHistory