Amazon EMR 7.3.0 - Hive release notes

Amazon EMR 7.3.0 - Hive changes

Type	Description
Feature	HIVE-18728 – Secure webHCat with SSL.
Improvement	Support configuring SSL keystore credentials for LLAP daemon web UI.
Improvement	Provide option to control SSL hostname verification for Hive metastore server.
Bug Fix	HIVE-26541 – NPE when starting WebHCat Service.
Bug Fix	HIVE-23011 – Shared work optimizer should check residual predicates when comparing joins.
Bug Fix	Fix javax.security.sasl.SaslException: No common protection layer between client and server between HMS and Namenode when In-Transit Encryption is enabled.
Bug Fix	Fix IOException where end of orc split overlaps with the start of a block location.
Bug Fix	Use column name delimiter instead of always splitting by comma when column names contain comma character and using CSVSerde.

Amazon EMR 7.3.0 - New configurations

Classification	Name	Default	Description
hcatalog-webhcat-site	templeton.use.ssl	false	Set this to true for using SSL encryption for WebHCat server.
hcatalog-webhcat-site	templeton.keystore.path		SSL certificate keystore location for WebHCat server.
hcatalog-webhcat-site	templeton.keystore.password		SSL certificate keystore password for WebHCat server.
hcatalog-webhcat-site	templeton.ssl.protocol.blacklist	SSLv2, SSLv3	SSL Versions to disable for WebHCat server.
hcatalog-webhcat-site	templeton.host	0.0.0.0	The host address the WebHCat server will listen on.
hive-site	hive.metastore.ssl.enable.hostname.verification	false	Control hostname verification during SSL/TLS handshaking.
hive-site	hive.llap.daemon.web.ssl.keystore.path		SSL certificate keystore location for LLAP daemon web UI.
hive-site	hive.llap.daemon.web.ssl.keystore.password		SSL certificate keystore password for LLAP daemon web UI.
hive-site	hive.metastore.hadoop.rpc.protection.override.to.authentication	false	When enabled, HMS always overrides the value for hadoop.rpc.protection for authentication in its set of configurations.