Instaclustr Blog Archive
2026
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- ClickHouse
- Feature Releases
Instaclustr for ClickHouse® 26.8 LTS is now generally available
ClickHouse 26.8 arrives as our newest long-term support (LTS) release, packing all upstream capabilities from the 26.8 line, with powerful new ingestion features and faster reads across data lake and analytical workloads.
Learn MoreJaime BorucinskiNovember 11, 2026 -
- ClickHouse
- Feature Releases
Accelerate query performance with ClickHouse query cache
ClickHouse query cache stores SELECT results in memory to speed up repeated queries. Learn how to enable, size, and monitor it for dashboards and BI.
Learn MoreVikas KumarNovember 11, 2026 -
- Apache Kafka
- Feature Releases
Automated horizontal scaling for Apache Kafka® on NetApp Instaclustr
Scale Apache Kafka clusters up or down without a support ticket. NetApp Instaclustr automates health checks, broker changes and partition reassignment.
Learn MoreVarun GhaiNovember 10, 2026 -
- Apache Cassandra
- Dev Rel
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.
Learn MoreMariah McLaughlinOctober 30, 2026 -
- Apache Kafka
- Feature Releases
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.
Learn MoreVarun GhaiOctober 29, 2026 -
- AI
- AI/ML
- Apache Kafka
- Dev Rel
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.
Learn MorePaul BrebnerOctober 29, 2026 -
- AI/ML
- Dev Rel
- Open Source
- OpenSearch
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.
Learn MoreRamya RaviOctober 28, 2026 -
- AI/ML
- Dev Rel
- Open Source
- OpenSearch
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.
Learn MoreRamya RaviOctober 27, 2026