Infinispan Infinispan is an open-source in-memory data grid that provides a key/value data store able to hold all types of data, from Java objects to plain text. Since version 15 Infinispan supports vector search over caches.

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Installation and Setup

See Get Started to run an Infinispan server, you may want to disable authentication (not supported atm)

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Vector Store

See a usage example. 
from langchain_community.vectorstores import InfinispanVS