Reindex API vs using logstash for reindexing from elastic search 5.5 (remote) to elastic search 7.7 (local)

Asked Jun 17 '20 at 14:17

Active Jun 17 '20 at 14:17

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I am looking for migrating the data from elastic search version 5.5 to 7.7, I found the following two ways,

which looks easy (as it involves java code) and able to see all the possible cases for moving all the documents from version 5.5 to 7.7

Which is the most proper way to do this? Any advantages or disadvantages in the above?

asked Jun 17 '20 at 14:17

Harry

There's a fourth way using elasticdump: https://stackoverflow.com/a/34922623/4604579 – Val Jun 17 '20 at 14:29
@Val How to do the index name change / data structure change ? – Harry Jun 17 '20 at 14:45
Your question didn't state this :-) Please reformulate your exact needs. – Val Jun 17 '20 at 14:49

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