Key-value stores

Key-value stores are used by other LangChain components to store and retrieve data.

📄️ Cassandra KV

This example demonstrates how to setup chat history storage using the CassandraKVStore BaseStore integration. Note there is a CassandraChatMessageHistory

📄️ File System Store

Only available on Node.js.

📄️ In Memory Store

This example demonstrates how to setup chat history storage using the InMemoryStore KV store integration.

📄️ Key-value stores

Key-value stores are used by other LangChain components to store and retrieve data.

📄️ IORedis

This example demonstrates how to setup chat history storage using the RedisByteStore BaseStore integration.

📄️ Upstash Redis

This example demonstrates how to setup chat history storage using the UpstashRedisStore BaseStore integration.

📄️ Vercel KV

This example demonstrates how to setup chat history storage using the VercelKVStore BaseStore integration.