Custom data sources
For logs that are not covered by AWS service or third-party integrations, CloudWatch pipelines can process custom logs stored in CloudWatch Logs or Amazon S3 buckets. Custom sources accommodate unique organizational requirements:
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Application-specific logs – Custom application telemetry from Amazon EC2 instances with specialized logging formats
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File-based ingestion – Amazon S3-based log files from legacy systems or batch processing workflows
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Serverless integration – Lambda function logs and custom serverless application telemetry
For more details, see Custom log data from CloudWatch Logs or an Amazon S3 bucket.
