Elastic Stack Upgradation

Hi All, so I want to upgrade the entire elk stack version from 7.2 to 8.4 , could anyone shed some light here upon what all backup and prerequisites I need to take care of. Thanks in advance.

As outlined in the documentation you must first upgarde to 7.17 and run the upgrade assistant. Once any identified issues have been addressed I would recommend you upgrade to version 8.8, which is the latest at this point, and not the now old 8.4 version.

Before starting the process I would recommend taking a full backup using the snapshot API.

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