I do not know java, so I do not know how to use the following tools.
Therefore, we are trying to make use of the following tools.(like RDBMS migration tool)
· Prepare the changed mapping file and put the version name in the file name
· Using reindex and alias, after creating a new schema, import data from the old schema
Does such a migration tool exist in the world?
Is there another way to do it?
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