This topic describes the release notes of E-MapReduce (EMR) V3.32.X, including the release date and updates.

Release date

November 23, 2020 for EMR V3.32.0

Updates

Component Description
SmartData SmartData is updated to 3.1.0.

For more information, see SmartData 3.1.0.

Alluxio
  • Alluxio 2.4.0 is supported.
  • The default configurations can be adjusted based on the sizes of cluster nodes.
  • By default, EMR HDFS is used as UnderFS to provide out-of-box services.
  • Alluxio OSS UnderFS is enhanced to support the new features of different OSS versions.
  • Engines such as Hadoop, Hive, Spark, and Presto are supported.
Hudi Hudi 0.6.0 is supported.
Spark The data collection feature of JindoTable can be enabled or disabled.
Hive
  • The connection leak issue of the HiveServer connection pool is fixed.
  • The data collection feature of JindoTable can be enabled or disabled.
  • The performance of ADD COLUMN is optimized.
  • The issue that causes data read from Hudi tables to be invalid is fixed.
  • The default configurations can be adjusted based on the sizes of cluster nodes.
HDFS The number of supported snapshots is increased.
YARN The default configurations can be adjusted based on the sizes of cluster nodes.
Tez The default configurations can be adjusted based on the sizes of cluster nodes.
Sqoop The issue that files in the Avro format cannot be imported is fixed.