Skip to main content
These settings are available in system.settings and are autogenerated from source.

opentelemetry_start_keeper_trace_probability

Probability to start a trace for ZooKeeper request - whether there is a parent trace or not. Possible values:
  • ‘auto’ - Equals the opentelemetry_start_trace_probability setting
  • 0 — Tracing is disabled
  • 0 to 1 — Probability (e.g., 1.0 = always enable)

opentelemetry_start_trace_probability

Sets the probability that the ClickHouse can start a trace for executed queries (if no parent trace context is supplied). Possible values:
  • 0 — The trace for all executed queries is disabled (if no parent trace context is supplied).
  • Positive floating-point number in the range [0..1]. For example, if the setting value is 0,5, ClickHouse can start a trace on average for half of the queries.
  • 1 — The trace for all executed queries is enabled.
Last modified on July 23, 2026