Hi, I am trying to reindex data in Elasticsearch without actually changing index names. I am ingesting data to indices based on monthly index names(index-%{+ YYYY.MM }). I've seen concept of using aliases, but I am not sure how to create new index. Do I need to create index_new or index_new-%{+ YYYY.M…

You should be able to create a new, updated index template that apply to all indices that starts with the pattern project-*. This will apply to all new indices being created, e.g. project-1017.11. If you then reindex the content of project-2017.09 into project-2017.09-1, the template will apply her…

How to reindex data in Elasticsearch without actually changing index names?

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amruth (Amruth) October 18, 2017, 1:39pm 11

Thanks a lot Christian. I have reindexed everything. It's working now.

This is fine since I have just 3 indices, what if I have 20 indices? Do I need to repeat the process for all 20 indices and delete old indices?

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How to reindex data in Elasticsearch without actually changing index names?

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