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Shiv Iyer
Shiv Iyer

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Impact of Faster CPUs vs. More CPUs on ClickHouse Performance

In ClickHouse, faster CPUs can enhance performance, especially for CPU-bound operations such as complex query calculations, data compression, and decompression. Faster CPUs can execute these tasks more quickly compared to several slower CPUs. However, the benefit depends on the specific workload:

  • For operations that are parallelizable, having more CPUs can be more advantageous as ClickHouse can distribute the workload across multiple cores.
  • For operations that are not easily parallelizable or where the bottleneck is the single-threaded performance, faster CPUs would provide more benefits.

The choice between faster CPUs and more CPUs should be based on the specific use case and the nature of the queries being run in ClickHouse.

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