KB

Kofi Bartlett

Author’s articles

Joining two indexes in Elasticsearch

May 9, 2025

Joining two indexes in Elasticsearch

Explaining how to use the terms query and the enrich processor for joining two indexes in Elasticsearch.

Understanding Elasticsearch scoring and the Explain API

May 7, 2025

Understanding Elasticsearch scoring and the Explain API

Diving into the scoring mechanism of Elasticsearch and exploring the Explain API.

Removing a node from an Elasticsearch cluster

May 5, 2025

Removing a node from an Elasticsearch cluster

Explaining how to remove a node from an Elasticsearch cluster.

Index templating in Elasticsearch: How to use composable templates

May 2, 2025

Index templating in Elasticsearch: How to use composable templates

Exploring composable templates and how to create them.

Elasticsearch search by two fields

April 30, 2025

Elasticsearch search by two fields

Exploring techniques for searching by two fields, including multi-match queries, bool queries, and query-time field boosting.

Elasticsearch heap size usage and JVM garbage collection

April 22, 2025

Elasticsearch heap size usage and JVM garbage collection

Exploring Elasticsearch heap size usage and JVM garbage collection, including best practices and how to resolve issues when heap memory usage is too high or when JVM performance is not optimal.

How to increase primary shard count in Elasticsearch

April 17, 2025

How to increase primary shard count in Elasticsearch

Exploring methods for increasing primary shard count in Elasticsearch.

How to migrate data between different versions of Elasticsearch & between clusters

April 14, 2025

How to migrate data between different versions of Elasticsearch & between clusters

Exploring methods for transferring data between Elasticsearch versions and clusters.

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