PSMDB-2163 vector search#1147
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Percona Server for MongoDB (PSMDB) currently lacks integrated support for advanced search capabilities such as Vector Search and Full-text Search, which are becoming increasingly critical for users analyzing large-scale, semi-structured, or unstructured datasets. MongoDB Community Edition will introduce these features natively, including a new component (mongot - aka Search Node) that wraps Lucene to deliver search indexing and query capabilities. In the current “coupled” search architecture, one mongot runs alongside each mongod or mongos. Each mongod/
mongosand mongot pair is on the same physical box/server and communicates via localhost. mongot replicates the data from its collocated mongod node using change streams and builds Lucene indexes on that replicated data. mongot is guaranteed to be eventually consistent with mongod.Without this support in PSMDB, our users are limited in how they query text data or leverage machine learning embeddings for vector similarity. This leads them to rely on external tools or migrate to Atlas or other vendors that natively support these features.
For more details, see https://perconadev.atlassian.net/browse/PSMDB-1725