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Elasticsearch Articles

Posts covering Elasticsearch architecture, performance tuning, search optimisation, and operating clusters at scale.

Magento 2 - Elasticsearch 8 Fixing _id disallowed indices in Warden

The single configuration option you need to set to solve the 'Fielddata access on the _id field is disallowed' error within Magento 2 with Warden

Magento 2.4.6+ and Elasticsearch 8: Compatibility, Configuration & Common Errors

Magento 2.4.6 dropped ES7 support and requires Elasticsearch 8 or OpenSearch 2. Covers the supported versions matrix, ES8 configuration, and fixes for common errors including indices.id_field_data.enabled.