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Instaclustr Blog
Category: Dev Rel

What’s new in Cassandra® 6? A roundup of features for users and operators

Apache Cassandra 6 is shaping up to be significant release as some of its biggest changes affect the core behavior of the&hellip...

When (and when not) to use Apache Kafka® Diskless Topics

I recently wrote a Visual Guide to Apache Kafka Diskless Topics, which introduces the main ideas behind Kafka Diskless Topics and ...

Kafka Sink Connectors explained: Bridging your data pipeline

A "sink connector" sounds simple—until you realize different systems use the term from different perspectives. In Apache Kafka ...

Understanding OpenSearch® vector field type—Part 2: sparse_vector

Overview: Beyond semantic search In part 1, we explored how knn_vector field type enables semantic search by retrieving results ...

Apache Cassandra® 6 Accord transactions: What you need to know

There have always been architectural trade-offs when considering a distributed database like Apache Cassandra versus a relational ...

Apache Kafka® 4.1.0: Advancing Queues and rack-aware rebalancing returns

What is new in the latest Kafka release? In my previous blog, I introduced the new Streams Rebalance Protocol. Now, I'm diving&...

What’s new in Kafka® 4.1.0? Introducing the new Streams Rebalance Protocol

It’s been a while since I’ve looked at new Apache Kafka versions and features (Kafka 4.0.0 back in July/August 2025, just after&...

Understanding OpenSearch® knn_vector: A Developer's Guide to Semantic Search

What Is knn_vector in OpenSearch? knn_vector is OpenSearch's dedicated field type for storing dense vector embeddings and ...

OpenSearch version 3.6 release—smart agents and fast search

OpenSearch 3.6 is a major release that advances machine learning, vector search, neural search, and application performance ...