Meltwater Under the Hood company blog

We upgraded an old, 3PB large, Elasticsearch cluster without downtime

by Engineers at Meltwater underthehood.meltwater.com 7 min read

Back in 2018, now five years ago, we published a blog post describing our 400+ node Elasticsearch cluster. In that post we brought up an important topic: So far, we have elected to not upgrade the cluster. We would like to, but so far there have been more urgent tasks. How we actually perform the upgrade is undecided…

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Databases & DataSystems & Performance2022

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