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I had another go at this new release after failing to get any of the 0.9.x releases to suit my use case of massively high volume writes. Now that I managed to get some of my data in it, aggregation queries seem to be lagging in speed, I would like to know more about what is actually being done currently to improve the query speed rather than waiting out for the v0.11 release as I am deciding whether InfluxDB is the way forward for my use case.

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The new query engine work should get merged into master early next week. You'll be able to test against a nightly build then to see what kind of performance improvement will be part of 0.11.

What kinds of queries are you seeing poor performance with? That would help us troubleshoot and improve, thanks.

Thanks for the update. Most of the queries I am testing now are 'mean' and 'group by' aggregation for downsampling and visualization in Grafana. Looks like the problem is CPU bound as I see all 8 cores got maxed out when processing the queries. Currently there are about 50 series and 5B data points in total.

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