Upgrade ES to 5.4


We currently use in our system elasticsearch 2.4 and we want to upgrade to 5.4.
What are the major changes? Will we need data migration? Will our code that querying and inserting into the ES need to change?

(Tim Vernum) #2

There is an upgrade guide available online.

Please read through that and then come back with any specific questions you have.

(system) #3

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