AWS athena documentation change
Summary
Expanded error explanation for HIVE_CANNOT_OPEN_SPLIT error with multiple causes and troubleshooting guidance
Security assessment
This change provides more detailed troubleshooting information for an existing error condition. While it mentions rate limiting and file access issues, these are operational troubleshooting details rather than addressing a specific security vulnerability or adding security features.
Diff
diff --git a/athena/latest/ug/troubleshooting-athena.md b/athena/latest/ug/troubleshooting-athena.md index eaaf0ab7f..6374b07b8 100644 --- a//athena/latest/ug/troubleshooting-athena.md +++ b//athena/latest/ug/troubleshooting-athena.md @@ -0,0 +1,2 @@ +[View a markdown version of this page](troubleshooting-athena.md) + @@ -83 +85,12 @@ This error can occur in the following scenarios: -This error can occur when you query an Amazon S3 bucket prefix that has a large number of objects. For more information, see [How do I resolve the "HIVE_CANNOT_OPEN_SPLIT: Error opening Hive split s3://amzn-s3-demo-bucket/: Slow down" error in Athena?](https://aws.amazon.com/premiumsupport/knowledge-center/hive-cannot-open-split-503-athena/) in the AWS Knowledge Center. +This error can occur for any of the following reasons: + + * The query exceeded a rate limit in a downstream service such as Amazon S3 or Lake Formation. The error message might include additional information such as `AmazonS3Exception: Please reduce your request rate` or `AWSLakeFormationException: Rate exceeded`. For more information about troubleshooting, see [Reduce throttling at the service level](./performance-tuning-s3-throttling-reduce-throttling-at-the-service-level.html). + + * The query encountered a malformed file. The error message typically includes the Amazon S3 URI of the malformed file, and additional information. + + * A file was deleted while the query was running. The error message typically includes the Amazon S3 URI of the file, and might include `AmazonS3Exception: The specified key does not exist` or `Error Code: NoSuchKey`. + + * A file was replaced while the query was running. The error message typically includes only the Amazon S3 URI of the file. + + +