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Hybrid RAG retrieval in Apache Cassandra: SAI filters plus vector search

Learn how Apache Cassandra 5 combines SAI filters with vector search to improve hybrid RAG retrieval using exact facts and semantic ranking in one CQL query.

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October 30, 2026

By Mariah McLaughlin

Kafka Tiered Storage on Azure: Instaclustr Public Preview

Explore Kafka tiered storage on Azure, now in Public Preview for new Instaclustr BYOC clusters, with historical data retained in Azure Blob Storage.

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October 29, 2026

By Varun Ghai

Scaling agent systems with Apache Kafka and A2A (Part 7): An experimental Kafka transport and the Semaphore Agent

Explore an experimental Apache Kafka transport for the Agent2Agent (A2A) protocol, with the Semaphore Agent demo, event replay, fan-out, and limitations.

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October 29, 2026

By Paul Brebner

Fix RAG retrieval in OpenSearch: Hybrid search and filters

Four RAG retrieval failures and how to fix them on OpenSearch, using hybrid search, BM25, k-NN filtering, and GPU-accelerated vector index builds.

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October 28, 2026

By Ramya Ravi

See all featured blogs
Hybrid RAG retrieval in Apache Cassandra: SAI filters plus vector search
October 30, 2026 | By Mariah McLaughlin
Learn how Apache Cassandra 5 combines SAI filters with vector search to improve hybrid RAG retrieval using exact facts and semantic ranking in one CQL query.
October 30, 2026 | By Mariah McLaughlin
Kafka Tiered Storage on Azure: Instaclustr Public Preview
October 29, 2026 | By Varun Ghai
Explore Kafka tiered storage on Azure, now in Public Preview for new Instaclustr BYOC clusters, with historical data retained in Azure Blob Storage.
October 29, 2026 | By Varun Ghai
Scaling agent systems with Apache Kafka and A2A (Part 7): An experimental Kafka transport and the Semaphore Agent
October 29, 2026 | By Paul Brebner
Explore an experimental Apache Kafka transport for the Agent2Agent (A2A) protocol, with the Semaphore Agent demo, event replay, fan-out, and limitations.
October 29, 2026 | By Paul Brebner
Fix RAG retrieval in OpenSearch: Hybrid search and filters
October 28, 2026 | By Ramya Ravi
Four RAG retrieval failures and how to fix them on OpenSearch, using hybrid search, BM25, k-NN filtering, and GPU-accelerated vector index builds.
October 28, 2026 | By Ramya Ravi
Solving RAG hallucinations: Prompt structure and evaluation guide
October 27, 2026 | By Ramya Ravi
Learn why RAG systems give different answers for the same question, and how to fix it with better prompt structure, chunk delimiters, and LLM-as-judge evaluation on OpenSearch.
October 27, 2026 | By Ramya Ravi
Getting started: Query Parquet on Amazon FSx for NetApp® ONTAP with ClickHouse®
October 26, 2026 | By Walt Ribeiro
Learn how to connect ClickHouse to Amazon FSx for NetApp ONTAP using ONTAP S3, then query Parquet files directly with ClickHouse’s S3 table function. No data copy required.
October 26, 2026 | By Walt Ribeiro
5 questions to ask before your next DataStax Enterprise renewal
October 19, 2026 | By Mo Ansari
Facing a DataStax Enterprise renewal? Five questions to answer first, from IBM’s roadmap and HCD to DSE features, flexibility, and what leaving costs.
October 19, 2026 | By Mo Ansari
Scaling agent systems with Apache Kafka and A2A (Part 6): The Quartz Chronometer Agent - An Example using the default A2A protocols
October 8, 2026 | By Paul Brebner
Explore an A2A demo using the Agent2Agent protocol, the official A2A Java reference server, JSON-RPC, and SSE for streaming task updates.
October 8, 2026 | By Paul Brebner
MCP Gateway RBAC tutorial: Add Role-Based Access Control to your AI agent with Auth0 and Apache Cassandra
September 28, 2026 | By Ramya Ravi
Learn how to add Auth0 authentication and role-based access control (RBAC) to an AI agent with MCP Gateway, Access Control Lists, and an Apache Cassandra backend. This step-by-step tutorial shows how to configure OAuth, map roles, control tool access, and enforce least-privilege access without changing chatbot code.
September 28, 2026 | By Ramya Ravi
Keep your engineers working on the roadmap, not the database
September 25, 2026 | By Sayan Saha
DBGorilla connects to your Instaclustr-managed PostgreSQL database in minutes. It combines data from Instaclustr’s monitoring APIs with signals from the database itself, giving it the operational context to improve every query and identify risks before they become problems.
September 25, 2026 | By Sayan Saha

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