Error: DynamoDB batch write is not working

Rafal Wilinski

Answered by Rafal Wilinski

What's Causing This Error

The error DynamoDB batch write not working can be caused by a variety of issues, such as:

  • Improperly formatted requests.
  • Insufficient provisioned write capacity on the table.
  • Concurrent requests exceed the provisioned write capacity of the table.
  • Issues with the IAM role associated with the request.
  • Errors with the batch write a function or the SDK being used.
  • Maximum batched requests exceeded. Currently DynamoDB only allows batchWrites up to 25 items per invocation

Solution: Here's How To Resolve It

To solve this error, you can take the following steps:

  • Double-check the format of the requests sent to the DynamoDB service to ensure they are properly formatted.
  • Check the provisioned write capacity on the table and increase it if necessary.
  • Consider implementing exponential backoff to handle retries for failed requests.
  • Check the IAM role associated with the request to ensure it has the necessary permissions to write to the table.
  • Verify that the batchwrite function or SDK is configured correctly, and all necessary dependencies are installed.
  • Try to use the batch_write_item() function provided by the AWS SDK for Python (Boto3) to write the items in the table.
  • If the issue persists, you may contact AWS support for further assistance.
  • You can also check the CloudWatch metrics for the DynamoDB table to see if you exceed the write capacity units.

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