How to Create a Custom Indexer in Magento 2 (with Mview)
Build a custom Magento 2 indexer: indexer.xml, mview.xml subscriptions, full and partial reindex, changelog tables, batching and safe table swapping.
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Build a custom Magento 2 indexer: indexer.xml, mview.xml subscriptions, full and partial reindex, changelog tables, batching and safe table swapping.
How Magento 2 indexer modes work, why production stores use Update by Schedule, how mview triggers and changelogs work, and how to keep the index cron healthy.