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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 Guide & Fix for Missing Products

Does Magento 2.4.6 support Elasticsearch 8? Yes — but it needs manual steps. Full compatibility guide covering the missing module, config differences from ES7, and fixes for broken search and missing products.