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I noticed that there is a considerable (5x) performance penalty when upgrading my app from InfluxDB 1.8 to 2.0. I'm using ILP and the only change I made on the ingress side was switching from /write to /api/v2/write, adding the auth token and org and bucket query parameters. I am writing 25,000 data points per second in bursts of 100 data points using 10 connections in parallel. My laptop runs at ~18% with 1.8 and ~94% with 2.0.

Is this an expected behavior? Maybe some default database performance settings changed?

Michael
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  • We haven't observed write performance degradation in 2.1, but we are generally using larger batches of 1000 up to 5000 points. Did not try 2.0. – alespour Apr 28 '22 at 08:12
  • I would also suggest trying much larger batches to see if that helps. You may also need to review your index type configuration – Ian M May 05 '22 at 10:47

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