Package io.opentelemetry.sdk.trace.config

Classes that holds global trace parameters

See: Description

Class Summary

Class	Description
TraceConfig	Class that holds global trace parameters.
TraceConfig.Builder	Builder for TraceConfig.

Package io.opentelemetry.sdk.trace.config Description

Classes that holds global trace parameters

Contents

• TraceConfig

Default values for TraceConfig

• SAMPLER: Samplers.alwaysOn()
• SPAN_MAX_NUM_ATTRIBUTES: 32
• SPAN_MAX_NUM_EVENTS: 128
• SPAN_MAX_NUM_LINKS: 32
• SPAN_MAX_NUM_ATTRIBUTES_PER_EVENT: 32
• SPAN_MAX_NUM_ATTRIBUTES_PER_LINK: 32

Configuration options for TraceConfig can be read from system properties, environment variables, or Properties objects.

For system Properties and Properties objects, TraceConfig will look for the following names:

• otel.config.sampler.probability: to set the global default sampler which is used when constructing a new Span.
• otel.config.max.attrs: to set the global default max number of attributes per Span.
• otel.config.max.events: to set the global default max number of events per Span.
• otel.config.max.links: to set the global default max number of links per Span.
• otel.config.max.event.attrs: to set the global default max number of attributes per event.
• otel.config.max.link.attrs: to set the global default max number of attributes per link.

For environment variable, TraceConfig will look for the following names:

• OTEL_CONFIG_SAMPLER_PROBABILITY: to set the global default sampler which is used when constructing a new Span.
• OTEL_CONFIG_MAX_ATTRS: to set the global default max number of attributes per Span.
• OTEL_CONFIG_MAX_EVENTS: to set the global default max number of events per Span.
• OTEL_CONFIG_MAX_LINKS: to set the global default max number of links entries per Span.
• OTEL_CONFIG_MAX_EVENT_ATTRS: to set the global default max number of attributes per event.
• OTEL_CONFIG_MAX_LINK_ATTRS: to set the global default max number of attributes per link.