docs: update otlp ingestion docs to correct some info and add more details #12969
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| Since the OpenTelemetry protocol differs from the Loki storage model, here is how data in the OpenTelemetry format will be mapped by default to the Loki data model during ingestion, which can be changed as explained later: | |||
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| - Index labels: Resource attributes map well to index labels in Loki, since both usually identify the source of the logs. Because Loki has a limit of 30 index labels, we have selected the following resource attributes to be stored as index labels, while the remaining attributes are stored as [Structured Metadata]({{< relref "../../get-started/labels/structured-metadata" >}}) with each log entry: | |||
| - Index labels: Resource attributes map well to index labels in Loki, since both usually identify the source of the logs. The default list of Resource Attributes to store as Index labels can be configured using `default_resource_attributes_as_index_labels` under [distributor's otlp_config](https://grafana.com/docs/loki/<LOKI_VERSION>/configure/#distributor). By default, the following resource attributes will be stored as index labels, while the remaining attributes are stored as [Structured Metadata]({{< relref "../../get-started/labels/structured-metadata" >}}) with each log entry: | |||
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can we fix this link using a < relref>?
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@ashwanthgoli, FYI While relrefs still work for links, we are moving away from using them. https://grafana.com/docs/writers-toolkit/write/links/
JStickler
approved these changes
May 15, 2024
| @@ -72,7 +72,7 @@ service: | |||
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| Since the OpenTelemetry protocol differs from the Loki storage model, here is how data in the OpenTelemetry format will be mapped by default to the Loki data model during ingestion, which can be changed as explained later: | |||
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| - Index labels: Resource attributes map well to index labels in Loki, since both usually identify the source of the logs. Because Loki has a limit of 30 index labels, we have selected the following resource attributes to be stored as index labels, while the remaining attributes are stored as [Structured Metadata]({{< relref "../../get-started/labels/structured-metadata" >}}) with each log entry: | |||
| - Index labels: Resource attributes map well to index labels in Loki, since both usually identify the source of the logs. The default list of Resource Attributes to store as Index labels can be configured using `default_resource_attributes_as_index_labels` under [distributor's otlp_config](https://grafana.com/docs/loki/<LOKI_VERSION>/configure/#distributor). By default, the following resource attributes will be stored as index labels, while the remaining attributes are stored as [Structured Metadata]({{< relref "../../get-started/labels/structured-metadata" >}}) with each log entry: | |||
There was a problem hiding this comment.
@ashwanthgoli, FYI While relrefs still work for links, we are moving away from using them. https://grafana.com/docs/writers-toolkit/write/links/
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This PR must be merged before a backport PR will be created. |
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What this PR does / why we need it:
Update otlp ingestion docs with the following changes:
Which issue(s) this PR fixes:
Fixes #12913