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Add prometheus compliance matrix (#3597)
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This is only for prometheus language exporters, and doesn't cover
collector components.
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@dashpole
dashpole authored Jul 18, 2023
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25 changes: 23 additions & 2 deletions spec-compliance-matrix.md
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Expand Up @@ -339,8 +339,29 @@ Note: Support for environment variables is optional.
| Error Status mapping | | + | + | | + | + | - | + | + | + | + | - |
| Event attributes mapping to Annotations | | + | + | + | + | + | + | + | + | + | + | + |
| Integer microseconds in timestamps | | N/A| + | | + | + | - | + | + | + | + | + |
| **Prometheus** | | | | | | | | | | | | |
| TBD | | | | | | | | | | | | |
| **Prometheus** | Optional | Go | Java | JS | Python | Ruby | Erlang | PHP | Rust | C++ | .NET | Swift |
| [Metadata Deduplication](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | | + | - | - | - | - | - | - | + | - | - | - |
| [Name Sanitization](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | | + | + | + | + | - | - | - | + | + | + | + |
| [UNIT Metadata](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | X | - | - | + | + | - | - | - | - | - | + | - |
| [Unit Suffixes](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | X | + | + | - | + | - | - | - | + | + | + | - |
| [Unit Full Words](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | X | + | + | - | - | - | - | - | + | - | - | - |
| [HELP Metadata](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | | + | + | + | + | - | - | - | + | + | + | + |
| [TYPE Metadata](specification/compatibility/prometheus_and_openmetrics.md#metric-metadata-1) | | + | + | + | + | - | - | - | + | + | + | + |
| [otel_scope_name and otel_scope_version labels on all Metrics](specification/compatibility/prometheus_and_openmetrics.md#instrumentation-scope-1) | | + | + | - | - | - | - | - | + | - | - | - |
| [otel_scope_info metric](specification/compatibility/prometheus_and_openmetrics.md#instrumentation-scope-1) | X | + | + | - | - | - | - | - | + | - | - | - |
| [otel_scope_info and labels can be disabled](specification/compatibility/prometheus_and_openmetrics.md#instrumentation-scope-1) | X | + | - | - | - | - | - | - | + | - | - | - |
| [Gauges become Prometheus Gauges](specification/compatibility/prometheus_and_openmetrics.md#gauges-1) | | + | + | + | + | - | - | - | + | + | + | - |
| [Cumulative Monotonic Sums become Prometheus Counters](specification/compatibility/prometheus_and_openmetrics.md#sums) | | + | + | + | + | - | - | - | + | + | + | + |
| [Prometheus Counters have _total suffix by default](specification/compatibility/prometheus_and_openmetrics.md#sums) | | + | + | + | + | - | - | - | + | - | - | - |
| [Prometheus Counters _total suffixing can be disabled](specification/compatibility/prometheus_and_openmetrics.md#sums) | X | + | - | - | - | - | - | - | - | - | - | - |
| [Cumulative Non-Monotonic Sums become Prometheus Gauges](specification/compatibility/prometheus_and_openmetrics.md#sums) | | + | + | + | - | - | - | - | + | + | + | - |
| [Delta Non-Monotonic Sums become Cumulative Prometheus Counters](specification/compatibility/prometheus_and_openmetrics.md#sums) | X | - | - | - | - | - | - | - | - | - | - | - |
| [Cumulative Histograms become Prometheus Histograms](specification/compatibility/prometheus_and_openmetrics.md#histograms-1) | | + | + | + | + | - | - | - | + | + | + | + |
| [Delta Histograms become Cumulative Prometheus Histograms](specification/compatibility/prometheus_and_openmetrics.md#histograms-1) | X | - | - | - | - | - | - | - | - | - | - | - |
| [Attributes Keys are Sanitized](specification/compatibility/prometheus_and_openmetrics.md#metric-attributes) | | + | + | + | + | - | - | - | + | - | + | + |
| [Colliding sanitized attribute keys are merged](specification/compatibility/prometheus_and_openmetrics.md#metric-attributes) | | + | - | - | - | - | - | - | + | - | - | - |
| [Exemplars for Histograms and Monotonic sums](specification/compatibility/prometheus_and_openmetrics.md#exemplars-1) | X | - | - | - | - | - | - | - | - | - | - | - |
| [`target_info` metric from Resource](specification/compatibility/prometheus_and_openmetrics.md#resource-attributes-1) | X | + | + | + | + | - | - | - | + | - | - | - |

## OpenCensus Compatibility

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