java - How to move a whole ElasticSearch 0.20.6 Cluster? -

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we running old elasticsearch 0.20.6 cluster on legacy-system, need move , scale down single machine, since service used anymore.

we can not upgrade es, since afaik imply updating java clients, can not do.

does know "simple" way move indices new machine running 0.20.6?

try moving /data directory.


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