ClickHouse.Telemetry (ClickHouse v0.20.0) View Source
ClickHouse produces multiple telemetry events.
Events
[:clickhouse, :init, :start]
- Called when a ClickHouse client init starts.Measurements
:system_time
- The current monotonic system time.Metadata
:client
- The name of the client.
[:clickhouse, :init, :stop]
- Called when a ClickHouse client init stops.Measurements
:duration
- The amount of time taken to start the ClickHouse client.Metadata
:client
- The name of the client.
[:clickhouse, :init, :exception]
- Called when a ClickHouse client init has an exception.Measurements
:duration
- The amount of time before the error occurred.Metadata
:client
- The name of the client.:kind
- The kind of error raised.:reason
- The reason for the error.:stacktrace
- The stacktrace of the error.
[:clickhouse, :prepare, :start]
- Called when a ClickHouse query preparation starts.Measurements
:system_time
- The current monotonic system time.Metadata
:client
- The name of the client.
[:clickhouse, :prepare, :stop]
- Called when a ClickHouse query preparation stops.Measurements
:duration
- The amount of time taken to prepare the query.Metadata
:client
- The name of the client.
[:clickhouse, :prepare, :exception]
- Called when a ClickHouse query preparation has an exception.Measurements
:duration
- The amount of time before the error occurred.Metadata
:client
- The name of the client.:kind
- The kind of error raised.:reason
- The reason for the error.:stacktrace
- The stacktrace of the error.
[:clickhouse, :execute, :start]
- Called when a ClickHouse query execution starts.Measurements
:system_time
- The current monotonic system time.Metadata
:client
- The name of the client.
[:clickhouse, :execute, :stop]
- Called when a ClickHouse query execution stops.Measurements
:duration
- The amount of time taken to execute the query.Metadata
:client
- The name of the client.
[:clickhouse, :execute, :error]
- Called when a ClickHouse query execution has an error.Metadata
:client
- The name of the client.:error
- The error that occured.
[:clickhouse, :execute, :exception]
- Called when a ClickHouse query execution has an exception.Measurements
:duration
- The amount of time before the error occurred.Metadata
:client
- The name of the client.:kind
- The kind of error raised.:reason
- The reason for the error.:stacktrace
- The stacktrace of the error.