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@carlosalberto carlosalberto released this 14 Feb 15:29
· 947 commits to main since this release
v1.9.0
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Learn about vigilant mode.

v1.9.0 (2022-02-14)

Context

  • No changes.

Traces

  • Clarify StartSpan returning the parent as a non-recording Span when no SDK is in use
    (#2121)
  • Align Jaeger remote sampler endpoint with OTLP endpoint.
    (#2246)
  • Add JaegerRemoteSampler spec.
    (#2222)
  • Add support for probability sampling in the OpenTelemetry tracestate entry and
    add optional specification for consistent probability sampling.
    (#2047)
  • Change description and default value of OTEL_EXPORTER_JAEGER_ENDPOINT env var
    to point to the correct HTTP port and correct description of OTEL_TRACES_EXPORTER
    (#2333).

Metrics

  • Rename None aggregation to Drop.
    (#2101)
  • Add details to the Prometheus Exporter requirements.
    (#2124)
  • Consolidate the aggregation/aggregator term.
    (#2153)
  • Remove the concept of supported temporality, keep preferred.
    (#2154)
  • Rename extra dimensions to extra attributes.
    (#2162)
  • Mark In-memory, OTLP and Stdout exporter specs as Stable.
    (#2175)
  • Remove usage of baggage in View from initial SDK specification.
    (#2215)
  • Add to the supplemental guidelines for metric SDK authors text about implementing
    attribute-removal Views for asynchronous instruments.
    (#2208)
  • Clarify integer count instrument units.
    (#2210)
  • Use UCUM units in Metrics Semantic Conventions.
    (#2199)
  • Add semantic conventions for process metrics.
    #2032
  • Changed default Prometheus Exporter host from 0.0.0.0 to localhost.
    (#2282)
  • Clarified wildcard and predicate support in metrics SDK View API.
    (#2325)

Logs

  • Fix attributes names in Google Cloud Logging mapping.
    (#2093)
  • Add OTEL_LOGS_EXPORTER environment variable.
    (#2196)
  • Added ObservedTimestamp to the Log Data Model.
    (#2184)
  • Change mapping for log_name of Google Cloud Logging.
    (#2092)
  • Drop Log name field
    (#2271)

Resource

  • No changes.

Semantic Conventions

  • Align runtime metric and resource namespaces
    (#2112)
  • Prohibit usage of retired names in semantic conventions.
    (#2191)
  • Add device.manufacturer to describe mobile device manufacturers.
    (2100)
  • Change golang namespace to 'go', rather than 'gc'
    (#2262)
  • Add JVM memory runtime semantic
    conventions. (#2272)
  • Add opentracing.ref_type semantic convention.
    (#2297)

Compatibility

  • Simplify Baggage handling in the OpenTracing Shim layer.
    (#2194)
  • State that ONLY error mapping can happen in the OpenTracing Shim layer.
    (#2148)
  • Define the instrumentation library name for the OpenTracing Shim.
    (#2227)
  • Add a Start Span section to the OpenTracing Shim.
    (#2228)

OpenTelemetry Protocol

  • Rename OTEL_EXPORTER_OTLP_SPAN_INSECURE to OTEL_EXPORTER_OTLP_TRACES_INSECURE and
    OTEL_EXPORTER_OTLP_METRIC_INSECURE to OTEL_EXPORTER_OTLP_METRICS_INSECURE
    so they match the naming of all other OTLP environment variables.
    (#2240)

SDK Configuration

  • No changes.

Telemetry Schemas

  • No changes.
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