Amazon EMR 6.9.0 - Trino (PrestoSQL) release notes

PDFRSS

Amazon EMR 6.9.0 - Trino (PrestoSQL) new features

• To support long running queries, Trino now includes a fault-tolerant execution mechanism. Fault-tolerant execution mitigates query failures by retrying failed queries or their component tasks. For more information, see Fault-tolerant execution in Trino.

Amazon EMR 6.9.0 - Trino (PrestoSQL) changes

Amazon EMR 6.9.0 - PrestoDB changes

Type	Description
Upgrade	PrestoDB upgrade to 0.276
Upgrade	Support for Hadoop 3.3.3
Upgrade	Hudi upgrade to 0.12.1
Feature	Amazon EMR and Presto integration with AWS Lake Formation for interactive workloads using GCSC API.
Feature	Added Kerberos-related configs inside Security Configs for PrestoDB to enable Keberos.
Bug fix	Reverted OSS pull request #18115 which was added to reduce the number of hdfsConfiguration copies. This caused the HDFS configuration copy incorrectly when using EMRFS or Hudi tables.

Amazon EMR 6.9.0 - Trino changes

Type	Description
Upgrade	Trino Upgrade to 398
Upgrade	Support for Hadoop 3.3.3
Feature	Tardigrade support: Add support for exchange spooling on HDFS and Amazon S3. For more information, see Fault-tolerant execution in Trino
Bug fix	When Trino Iceberg is used and Glue catalog is enabled, avoid adding metastore uri in iceberg.properties.

Amazon EMR 6.9.0 - Trino (PrestoSQL) known issues

• For Amazon EMR release 6.9.0, Trino does not work on clusters enabled for Apache Ranger. If you need to use Trino with Ranger, contact Support.