Amazon EMR 7.10.0 - Hive release notes - Amazon EMR
Hive changes
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Amazon EMR 7.10.0 - Hive release notes

Amazon EMR 7.10.0 - Hive changes

Type Description

Bug Fix

Hive side fix for TEZ-4595.

Known issues

  • Amazon EMR from EMR-7.10.0 now uses S3A as the default filesystem (replacing EMRFS), which means Hive operations will no longer create _$folder$ marker objects in S3, and the intermediate manifest files used in Hive write queries are now stored in S3 as compared to EMRFS’s HDFS. For considerations while using S3A, please refer to the migration guide.

  • From EMR-7.3.0 to EMR-7.10.0, there is a Bug due to Hive Iceberg integration which causes HBase table creation in Hive to fail when Amazon Glue Data Catalog is used as the metastore. Please reach out to the Amazon support team if you encounter this issue.