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@MrAlias MrAlias released this 16 Mar 16:20
· 1378 commits to main since this release
v1.5.0
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MrAlias Tyler Yahn
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Learn about vigilant mode.
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Learn about vigilant mode.

Added

  • Log the Exporters configuration in the TracerProviders message. (#2578)

  • Added support to configure the span limits with environment variables.
    The following environment variables are supported. (#2606, #2637)

    • OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT
    • OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT
    • OTEL_SPAN_EVENT_COUNT_LIMIT
    • OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT
    • OTEL_SPAN_LINK_COUNT_LIMIT
    • OTEL_LINK_ATTRIBUTE_COUNT_LIMIT

    If the provided environment variables are invalid (negative), the default values would be used.

  • Rename the gc runtime name to go (#2560)

  • Add resource container ID detection. (#2418)

  • Add span attribute value length limit.
    The new AttributeValueLengthLimit field is added to the "go.opentelemetry.io/otel/sdk/trace".SpanLimits type to configure this limit for a TracerProvider.
    The default limit for this resource is "unlimited". (#2637)

  • Add the WithRawSpanLimits option to go.opentelemetry.io/otel/sdk/trace.
    This option replaces the WithSpanLimits option.
    Zero or negative values will not be changed to the default value like WithSpanLimits does.
    Setting a limit to zero will effectively disable the related resource it limits and setting to a negative value will mean that resource is unlimited.
    Consequentially, limits should be constructed using NewSpanLimits and updated accordingly. (#2637)

Changed

  • Drop oldest tracestate Member when capacity is reached. (#2592)
  • Add event and link drop counts to the exported data from the oltptrace exporter. (#2601)
  • Unify path cleaning functionally in the otlpmetric and otlptrace configuration. (#2639)
  • Change the debug message from the sdk/trace.BatchSpanProcessor to reflect the count is cumulative. (#2640)
  • Introduce new internal envconfig package for OTLP exporters. (#2608)
  • If http.Request.Host is empty, fall back to use URL.Host when populating http.host in the semconv packages. (#2661)

Fixed

  • Remove the OTLP trace exporter limit of SpanEvents when exporting. (#2616)
  • Default to port 4318 instead of 4317 for the otlpmetrichttp and otlptracehttp client. (#2614, #2625)
  • Unlimited span limits are now supported (negative values). (#2636, #2637)

Deprecated

  • Deprecated "go.opentelemetry.io/otel/sdk/trace".WithSpanLimits.
    Use WithRawSpanLimits instead.
    That option allows setting unlimited and zero limits, this option does not.
    This option will be kept until the next major version incremented release. (#2637)
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