Smalyshev added a comment.

Our production instance consume ~3-4K IOPS just for updates.

To clarify here, this would just allow us to barely run the updater. The server under production load - i.e. something we might need for performance evaluation and testing - are significantly higher, peaks reaching 60K and routine load in 5-10K range.

See e.g. https://grafana.wikimedia.org/dashboard/db/wikidata-query-service?refresh=1m&orgId=1&panelId=16&fullscreen

We also need a lot of diskspace - current DB is over 500G, and to work with it comfortably we probably need somewhere around 1T diskspace capacity.


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https://phabricator.wikimedia.org/T206636

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To: Smalyshev
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