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Solving RAG hallucinations: Prompt structure and evaluation guide

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.

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October 27, 2026

By Ramya Ravi

Getting started: Query Parquet on Amazon FSx for NetApp® ONTAP with ClickHouse®

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.

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October 26, 2026

By Walt Ribeiro

5 questions to ask before your next DataStax Enterprise renewal

Facing a DataStax Enterprise renewal? Five questions to answer first, from IBM’s roadmap and HCD to DSE features, flexibility, and what leaving costs.

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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

Explore an A2A demo using the Agent2Agent protocol, the official A2A Java reference server, JSON-RPC, and SSE for streaming task updates.

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October 8, 2026

By Paul Brebner

See all featured blogs
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
Vector Search in Apache Cassandra for RAG Retrieval
September 23, 2026 | By Mariah McLaughlin
Learn how Apache Cassandra vector search supports RAG retrieval with native embeddings, ANN queries, and no separate vector database.
September 23, 2026 | By Mariah McLaughlin
Build OpenSearch Vector Indexes faster with NetApp Instaclustr and NVIDIA cuVS
September 21, 2026 | By Alex Bunday
NetApp Instaclustr brings GPU-accelerated vector indexing to managed OpenSearch with NVIDIA cuVS, helping teams build large-scale vector indexes faster for RAG, semantic search, and AI search workloads.
September 21, 2026 | By Alex Bunday
OpenSearch vector search and RAG pipelines: Free hands-on courses for builders
September 21, 2026 | By Brian Graf
Take free OpenSearch courses on vector search and RAG pipelines with hands-on labs in a live OpenSearch cluster. Build practical AI search skills with no credit card required.
September 21, 2026 | By Brian Graf
Scaling agent systems with Apache Kafka and A2A (Part 5): The Clockwork Agent - A Java A2A example
September 9, 2026 | By Paul Brebner
Learn how the Agent2Agent (A2A) protocol works through a practical Java A2A example. Explore Agent Cards, SendMessage, task lifecycles, polling, multi-turn interactions, and how Apache Kafka helps scale agent systems
September 9, 2026 | By Paul Brebner

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