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Amazon DynamoDB Enhances Operational Insight with More Granular Throttle Error Exceptions
Amazon Web Services (AWS) has recently announced a significant enhancement to Amazon DynamoDB, its fully managed NoSQL database service. As of August 15, 2025, DynamoDB now provides more granular throttle error exceptions, offering developers and operators a deeper understanding of capacity constraints and enabling more precise application tuning.
This update is a welcome development for anyone leveraging DynamoDB for their critical applications. Previously, DynamoDB would return a generic ProvisionedThroughputExceededException when read or write capacity limits were reached. While this exception effectively signaled that an operation had been throttled, it often lacked the specific detail needed to pinpoint the exact cause or the type of capacity that was exceeded.
The new, more granular throttle error exceptions will provide developers with distinct error codes and messages for different throttling scenarios. This granular insight allows for more informed decision-making and streamlined troubleshooting. For instance, instead of a single throttle error, an application might now receive specific exceptions indicating whether the throttling occurred due to:
- Read Capacity Unit (RCU) exhaustion: Signifying that the read throughput provisioned for the table or index has been met.
- Write Capacity Unit (WCU) exhaustion: Indicating that the write throughput provisioned for the table or index has been met.
- On-demand capacity limitations: For tables configured with on-demand capacity, specific exceptions may highlight when burst capacity has been temporarily exhausted.
Benefits of This Enhancement:
The introduction of these more granular exceptions offers several key advantages:
- Improved Debugging and Troubleshooting: Developers can more quickly identify the root cause of throttling by understanding which specific capacity type is being exceeded. This accelerates the debugging process and reduces the time spent diagnosing performance issues.
- Optimized Capacity Planning: With clearer insights into read versus write capacity bottlenecks, teams can more accurately provision and adjust their RCU and WCU settings. This leads to more efficient resource utilization and cost optimization.
- Enhanced Application Resilience: By understanding the nature of throttling, applications can implement more intelligent retry strategies. For example, an application might implement exponential backoff for write throttles while attempting a different read path if read throttles are encountered.
- Better Performance Monitoring: The ability to differentiate between read and write throttling provides a more nuanced view of application performance, enabling proactive adjustments before significant impact is felt.
This advancement underscores AWS’s commitment to continuously improving the developer experience and the operational capabilities of its services. By equipping users with more detailed information about performance constraints, AWS empowers them to build and manage even more robust and efficient applications on DynamoDB.
This update is available to all DynamoDB users without any additional configuration changes required. We encourage all developers and operators to familiarize themselves with these new exceptions to maximize the benefits for their DynamoDB-powered applications.
Amazon DynamoDB now supports more granular throttle error exceptions
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Amazon published ‘Amazon DynamoDB now supports more granular throttle error exceptions’ at 2025-08-15 16:00. Please write a detailed article about this news in a polite tone with relevant information. Please reply in English with the article only.