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These settings configure the ClickHouse server and are autogenerated from ClickHouse source.

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global_profiler_cpu_time_period_ns

Period for CPU clock timer of global profiler (in nanoseconds). Set 0 value to turn off the CPU clock global profiler. Recommended value is at least 10000000 (100 times a second) for single queries or 1000000000 (once a second) for cluster-wide profiling. Defaults to 0 in MemorySanitizer builds, where the sampling profiler is disabled.

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global_profiler_real_time_period_ns

Period for real clock timer of global profiler (in nanoseconds). Set 0 value to turn off the real clock global profiler. Recommended value is at least 10000000 (100 times a second) for single queries or 1000000000 (once a second) for cluster-wide profiling. Defaults to 0 in MemorySanitizer builds, where the sampling profiler is disabled.
Last modified on September 6, 2026