---
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title: (LEGACY) Observability Pipelines Guides
description: Datadog, the leading service for cloud-scale monitoring.
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  Docs > Observability Pipelines > (LEGACY) Observability Pipelines
  Documentation > (LEGACY) Observability Pipelines Guides
---

# (LEGACY) Observability Pipelines Guides

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# Important note for users on the following Datadog sites: app.ddog-gov.com, us2.ddog-gov.com

{% alert level="danger" %}
This product is not supported for your selected [Datadog site](https://docs.datadoghq.com/getting_started/site.md). ().
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- [Set Up Observability Pipelines in your Splunk Environment](https://docs.datadoghq.com/observability_pipelines/legacy/setup/splunk.md)
- [Control Log Volume and Size](https://docs.datadoghq.com/observability_pipelines/legacy/guide/control_log_volume_and_size.md)
- [Ingest Amazon S3 Logs with the Observability Pipelines Worker](https://docs.datadoghq.com/observability_pipelines/legacy/guide/ingest_aws_s3_logs_with_the_observability_pipelines_worker.md)
- [Route Logs in Datadog-Rehydratable Format to Amazon S3](https://docs.datadoghq.com/observability_pipelines/legacy/guide/route_logs_in_datadog_rehydratable_format_to_amazon_s3.md)