Comment 8 for bug 1553256

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Charles Butler (lazypower) wrote :

actually - now that i've looked at it closer, it seems like we can completely do a data migration

https://www.elastic.co/guide/en/elasticsearch/reference/current/restart-upgrade.html

this is listed as supported from the 1.x -> 2.x series, and one we land on the 2.x series it supports rolling upgrades out of the box