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Instaclustr Blog
Category: Dev Rel

Optimizing AI Search in OpenSearch: A practical guide

Classic lexical search matches tokens: if the user does not use the same words as the document, relevance suffers. Semantic search...

How to create a hybrid search pipeline in OpenSearch®

Hybrid search in OpenSearch is a retrieval method that combines multiple search techniques, such as keyword matching and semantic ...

Kafka® to Iceberg: Build a queryable data lake with ClickHouse®

That's ClickHouse below querying an Iceberg table on S3 within 0.31 seconds to read metadata and return the first rows. No Spark&...

Apache Iceberg explained: A better table format for modern data lakes

Data lakes had a reputation problem. The promise was compelling: dump all your data into cheap object storage—S3, GCS, Azure Blob—...

How to handle bad messages safely in Kafka Streams with KIP-1034 Dead Letter Queues

What should you do with messages that can’t be delivered? If you have spent time developing Kafka Streams applications in Java, ...

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 ...