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I was curious what would happen if I stopped the Elasticsearch service in Magento 2.4. What I found I cant seem to understand.

When the service is stopped it empties all the categories. I would have assumed Elasticsearch was for the mini search/advanced search not the catalog listings.

Can anyone confirm if this is by design or is there a bug in Magento 2.4? Also any ideas on how to fix this?

My setup is Magento 2.4 on Valet (MacOs/PHP 7.3.20). I installed Elasticsearch via Homebrew.

Elasticsearch running With Elasticsearch running

Elasticsearch stopped With Elasticsearch stopped

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    elastic search is used for all catalog search functions including product category lists and filtering. Disabling it in 2.4 is not an option... – paj Jul 31 '20 at 9:59
  • One question apart from your issue, I’m not able to install using valet plus, what ES version you using ? I’m getting error while installing. – Sudhanshu Bajaj Jul 31 '20 at 11:44
  • @SudhanshuBajaj I am using Valet not Valet Plus. ES is version 7.8.0 – Paul Donnelly Jul 31 '20 at 12:02
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ElasticSearch is in charge of the entire catalog and search, provisioning the data to Magento 2.4.

ElasticSearch is a requirement in Magento 2.4, as you can see in the page Magento 2.4 technology stack requirements, so it never can be disabled like in Magento 2.3.

I recommend to set the services to auto-restart in a production server, so if ElasticSearch or MySQL service goes down, it will restart automatically. You can do it in Docker using the parameter below.

docker run --restart=always
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    Thank you for confirming this is by design. I was aware it was a requirement but assume it was for search only. – Paul Donnelly Aug 1 '20 at 15:55
  • gah that's annoying - i have a third party search already setup on my M2 - but now I have to get a whole java stack on top no matter what? – iphigenie Aug 3 '20 at 9:16
  • you can set up your search engine as the main search engine instead of ElasticSearch. @iphigenie – Rafael Corrêa Gomes Aug 3 '20 at 13:04
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    Thanks @RafaelCorrêaGomes I had undestood you could not even upgrade to M2.4 without a configured elastic search. I guess I'll do a test run – iphigenie Aug 7 '20 at 13:19

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