Amazon CloudWatch Logs increases maximum log event size to 1 MB
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Amazon CloudWatch Logs now supports log events up to 1 MB in size, a 4x increase from the previous 256 KB limit. This enhancement applies to the CloudWatch Logs PutLogEvents API and OpenTelemetry Protocol (OTLP) endpoint.
Customers can now capture richer log data while maintaining data integrity, eliminating the need to truncate large events or split them across multiple entries. It is especially valuable for use cases such as stack traces, debug outputs, and detailed application and security audit logs, enabling simplified troubleshooting, enhanced security audit capabilities, and better visibility into application behavior.
The increased limit is automatically available in all [AWS Regions](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services/) where CloudWatch Logs is available, including the [AWS GovCloud (US) Regions](https://aws.amazon.com/govcloud-us/). For more information, visit the CloudWatch Logs [documentation](https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API%5FPutLogEvents.html).
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