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Essential

Name	Description	Lifetime
CART	The association with your shopping cart.	1 Year
CATEGORY_INFO	Allows pages to be displayed more quickly.	1 Year
COMPARE	The items that you have in the Compare Products list.	1 Year
CUSTOMER	An encrypted version of your customer id.	1 Year
CUSTOMER_AUTH	An indicator if you are signed into the store.	1 Year
CUSTOMER_INFO	An encrypted version of the customer group you belong to.	1 Year

Marketing

Name	Description	Lifetime
CUSTOMER_SEGMENT_IDS	Stores your Customer Segment ID	1 Year
EXTERNAL_NO_CACHE	A flag that, indicates whether caching is on or off.	1 Year
FRONTEND	Your session ID on the server.	1 Year
GUEST-VIEW	Allows guests to edit their orders.	1 Year
LAST_CATEGORY	The last category you visited.	1 Year
LAST_PRODUCT	The last product you looked at.	1 Year
NEWMESSAGE	Indicates whether a new message has been received.	1 Year
NO_CACHE	Indicates whether it is allowed to use cache.	1 Year
PERSISTENT_SHOPPING_CART	A link to information about your cart and viewing history if you have asked the site.	1 Year

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Magento 2
Elastic Search

Elastic Search

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Fatal error: Uncaught Error: Class 'Elasticsearch\ClientBuilder' not found

Problem When you run search reindex or perform search by store catalog, Magento 2 returns error message: Fatal error: Uncaught Error: Class 'Elasticsearch\ClientBuilder' not found Reason The elasticsearch php library wasn’t installed in Magento 2. ...

Elastic Search

chevron-down chevron-right Fatal error: Uncaught Error: Class 'Elasticsearch\ClientBuilder' not found

Fatal error: Uncaught Error: Class 'Elasticsearch\ClientBuilder' not found