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Update default histogram handling for OTLP endpoint #5692

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Merged
JonasKunz merged 2 commits into from
Apr 7, 2026
Merged

Update default histogram handling for OTLP endpoint #5692

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Update default histogram handling for OTLP endpoint
JonasKunz Mar 31, 2026
3b4bcd2
Merge branch 'main' into otlp-histo-default-type
JonasKunz Apr 7, 2026
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6 changes: 3 additions & 3 deletions manage-data/data-store/data-streams/tsds-ingest-otlp.md
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Expand Up @@ -102,13 +102,13 @@ The target data stream name is constructed as `metrics-${data_stream.dataset}.ot

## Configure histogram handling
```{applies_to}
stack: preview 9.3
stack: preview =9.3, ga 9.4+
```

You can configure how OTLP histograms are mapped using the `xpack.otel_data.histogram_field_type` cluster setting. Valid values are:

- `histogram` (default): Map histograms as T-Digests using the `histogram` field type
- `exponential_histogram`: Map histograms as exponential histograms using the `exponential_histogram` field type
- `histogram` (default on {applies_to}`stack: preview =9.3`): Map histograms as T-Digests using the `histogram` field type
- `exponential_histogram` (default on {applies_to}`stack: ga 9.4+` {applies_to}`serverless: ga`): Map histograms as exponential histograms using the `exponential_histogram` field type

The setting is dynamic and can be updated at runtime:

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