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Kofi Bartlett

Articles by Kofi Bartlett

Displaying fields in an Elasticsearch index

Exploring techniques for displaying fields in an Elasticsearch index.

Kofi Bartlett

How to optimize Elasticsearch disk space and usage

Learn how to prevent and handle cases when the Elasticsearch disk is too full (overutilization) and when the disk capacity is underutilized to optimize cluster costs.

Kofi Bartlett

How to configure the number of replicas in an Elasticsearch index

Learn how to configure the number_of_replicas in an Elasticsearch index to improve search performance and provide resilience to node failure.

Kofi Bartlett

Excluding Elasticsearch fields from indexing

Learn how to configure Elasticsearch to exclude fields, the main reasons for excluding fields from indexing, and best practices to follow.

Kofi Bartlett

Deleting a field from a document in Elasticsearch

Learn how to delete fields from Elasticsearch documents using the Update API, scripts, or reindexing for single and bulk removals.

Kofi Bartlett

Understanding Elasticsearch scoring and the Explain API

Learn about Elasticsearch scoring mechanisms and the practical scoring function to audit search relevance and improve document ranking with the Explain API.

Kofi Bartlett

Index templating in Elasticsearch: How to use composable templates

Explore how to create composable and component index templates in Elasticsearch to ensure consistent mappings and automate index configuration.

Kofi Bartlett

Elasticsearch search by two fields

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

Kofi Bartlett

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.

Kofi Bartlett

How to increase primary shard count in Elasticsearch

Learn how to increase primary shard count in Elasticsearch using the split and reindex APIs for optimal shard scaling.

Kofi Bartlett

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

Exploring methods for transferring data between Elasticsearch versions and clusters.

Kofi Bartlett

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