How to Upgrade ElasticSearch from 0.20.4 to 0.90.11 or RC1?

(Rok Inroks) #1


I've been assigned to upgrade a single node production Elasticsearch

The ideal would be to have an upgrade process description witch avoid
losing data . So my question taking this requirement into account is it
possible to upgrade such a server knowing from ElasticSearch version 0.20.4
straight to 090.11 ( or even 1.0.0 RC1) and what the instruction to
accomplish it ?

Thanks for the helps

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(system) #2