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Merge pull request #66283 from ClickHouse/alexey-milovidov-patch-8

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docs/en/operations/opentelemetry.md
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slug: /en/operations/opentelemetry
sidebar_position: 62
sidebar_label: Tracing ClickHouse with OpenTelemetry
title: "[experimental] Tracing ClickHouse with OpenTelemetry"
title: "Tracing ClickHouse with OpenTelemetry"
---
[OpenTelemetry](https://opentelemetry.io/) is an open standard for collecting traces and metrics from the distributed application. ClickHouse has some support for OpenTelemetry.
:::note
This is an experimental feature that will change in backwards-incompatible ways in future releases.
:::
## Supplying Trace Context to ClickHouse
ClickHouse accepts trace context HTTP headers, as described by the [W3C recommendation](https://www.w3.org/TR/trace-context/). It also accepts trace context over a native protocol that is used for communication between ClickHouse servers or between the client and server. For manual testing, trace context headers conforming to the Trace Context recommendation can be supplied to `clickhouse-client` using `--opentelemetry-traceparent` and `--opentelemetry-tracestate` flags.