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by bbrazil
3337 days ago
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> I don't believe this will work out well because it will introduce read amplification during query time (compared to file per series approach that they're using now). It'll end up about the same in practice, only the time series data that needs to be read is read. Query performance is looking quite a bit better with this design. > And I'm really curious how they managed to get 20M writes per second on laptop. I understand that was a micro-benchmark of one part of the system. The whole system is looking to be roughly in line with the Gorilla numbers. |
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This makes sense now. I've found out that the compression algorithm performance numbers affect the overall performance in a big way. On modern SSD the entire workload is CPU bound.