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Amazon Simple Storage Service (S3) is a scalable object storage service that allows developers to store and retrieve any amount of data at any time. It is designed to make web-scale computing easier for developers by providing a simple web services interface to store and retrieve data from anywhere on the web.
When working with Amazon S3, you might encounter the MetadataTooLarge
error. This error typically occurs during object upload operations when the metadata headers associated with the object exceed the maximum allowed size.
When this error occurs, you will receive an error message indicating that the metadata size is too large. This can prevent successful uploads of objects to your S3 bucket.
The MetadataTooLarge
error is triggered when the total size of the metadata headers in an S3 request exceeds the limit set by Amazon S3. Metadata in S3 is used to store additional information about the object, such as custom user-defined metadata or system metadata.
Amazon S3 imposes a limit on the size of metadata headers. As of the latest guidelines, the total size of all metadata headers cannot exceed 2 KB. This includes both the keys and values of the metadata.
To resolve the MetadataTooLarge
error, you need to reduce the size of the metadata headers. Here are the steps you can follow:
While custom metadata can be useful, it should be used judiciously. Limit the use of custom metadata to only what is necessary for your application.
If you need to store additional information about your objects, consider using S3 Object Tags. Tags are a separate feature from metadata and can be used to categorize and manage your objects without impacting metadata size limits.
For more information on managing metadata in Amazon S3, refer to the AWS S3 Metadata Documentation. If you continue to experience issues, consider reaching out to AWS Support for further assistance.
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