Index creation and deployment strategies

Elastic Stack Elasticsearch
1

I have inherited a nice little java app which uses an elasticSearch Index as a back end data source.

At the moment the index is built from scratch every week on a build server and then the service is stopped (on UAT then Live) and the old cluster replaced by the new one.

I am rewriting the app the recreate the index and for various reasons we need to keep doing a full rebuild to replace the existing one each week but I'm thinking there must be a better way than this fairly manual approach ?

Is there a standard approach for this kind of deployment or do people normally live in a world where they are updating / deleting / adding on existing indexes ?

2

You should look at aliases. https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html
I think this could help a lot to do that without any interruption.

3

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