Compass 2.2.0 to Elastic Search 7.2.0


In our legacy product Compass:2.2.0 is used for searching. Now we are planning to upgrade it to Elastic Search 7.2. Can anyone provide us a few steps or links that can help our cases?

We use PostgreSQL, MySQL, MSSQL and Oracle database in our product based on the customer needs. So I need to know how I can index a whole running database with elasticsearch


I shared most of my thoughts there:

Basically, I'd recommend modifying the application layer if possible and send data to elasticsearch in the same "transaction" as you are sending your data to the database.

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