Upgrade Elastic Search Version 5.5.2 to 7.1.1

Hi All,
I am very new to elastic search. I need to upgrade my version 5.5.2 to 7.2.

Can you please guide to do the upgrade. Thank you advance.


I'd probably reindex everything in the new cluster using reindex from remote API.

Otherwise you need basically to update to latest 5.x version, run the upgrade manager (can't recall the exact name), then upgrade to latest 6.8 version, then run the upgrade manager and probably rewrite all segments, then upgrade to 7.2.x.

Note that you should read for each step the upgrade documentation.

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Hello @dadoonet,

Thank you for your reply . I successfully installed and able to access from the external system by adding these.

   network.host: ::1


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