OpenTelemetry - CNCF/opentelemetry-go: Release v1.4.0

Name: opentelemetry-go

Owner: OpenTelemetry - CNCF

Release: Release v1.4.0/v0.27.0

Released: 2022-02-11

License: Apache-2.0

Release Assets:

Added

  • Use OTEL_EXPORTER_ZIPKIN_ENDPOINT environment variable to specify zipkin collector endpoint. (#2490)
  • Log the configuration of TracerProviders, and Tracers for debugging. To enable use a logger with Verbosity (V level) >=1. (#2500)
  • Added support to configure the batch span-processor with environment variables. The following environment variables are used. (#2515)
    • OTEL_BSP_SCHEDULE_DELAY
    • OTEL_BSP_EXPORT_TIMEOUT
    • OTEL_BSP_MAX_QUEUE_SIZE.
    • OTEL_BSP_MAX_EXPORT_BATCH_SIZE

Changed

  • Zipkin exporter exports Resource attributes in the Tags field. (#2589)

Deprecated

  • Deprecate module the go.opentelemetry.io/otel/sdk/export/metric. Use the go.opentelemetry.io/otel/sdk/metric module instead. (#2382)
  • Deprecate "go.opentelemetry.io/otel/sdk/metric".AtomicFieldOffsets. (#2445)

Fixed

  • Fixed the instrument kind for noop async instruments to correctly report an implementation. (#2461)
  • Fix UDP packets overflowing with Jaeger payloads. (#2489, #2512)
  • Change the otlpmetric.Client interface's UploadMetrics method to accept a single ResourceMetrics instead of a slice of them. (#2491)
  • Specify explicit buckets in Prometheus example, fixing issue where example only has +inf bucket. (#2419, #2493)
  • W3C baggage will now decode urlescaped values. (#2529)
  • Baggage members are now only validated once, when calling NewMember and not also when adding it to the baggage itself. (#2522)
  • The order attributes are dropped from spans in the go.opentelemetry.io/otel/sdk/trace package when capacity is reached is fixed to be in compliance with the OpenTelemetry specification. Instead of dropping the least-recently-used attribute, the last added attribute is dropped. This drop order still only applies to attributes with unique keys not already contained in the span. If an attribute is added with a key already contained in the span, that attribute is updated to the new value being added. (#2576)

Removed

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