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Behavioral Changes

Behavioral changes denote a marked change in behavior from the previously released version to this version of software. In HDP 2.6.1, behavioral changes affect the following Hadoop components.

Table 1.4. Behavioral Changes

Hortonworks Bug IDApache ComponentApache JIRASummaryDetails
BUG-76637RangerRANGER-1436Turn Ranger Deny Policy & Except Conditions block to Off by default

Component Affected: Ranger resource based policies

Previous Behavior: Previously, you could not enable deny/exception conditions through a configuration change. This was only possible through a Ranger REST API call.

New Behavior: You can now turn this feature on by setting the ranger.servicedef.enableDenyAndExceptionsInPolicies config parameter to a value of true. The default value for this is false (disabled).

BUG-81924Falcon, HveN/AUse the hive.metastore.transactional.event.listeners configuration parameter instead of hive.metastore.event.listeners

Component Affected: HiveDR replication on Falcon

Scenario: Although both parameters perform similar functions, hive.metastore.transactional.event.listeners provides better handling of failures for Falcon-Hive integration.

Previous Behavior: If HiveDR was enabled on a cluster, then the setting hive.metastore.event.listeners had to be set with the value org.apache.hive.hcatalog.listener.DbNotificationListener

New Behavior: If HiveDR is enabled, DbNotificationListener should belong to hive.metastore.transactional.event.listeners.

Do the following in hive-site.xml:

  1. Set hive.metastore.transactional.event.listeners="org.apache.hive.hcatalog.listener.DbNotificationListener"

  2. If set, remove hive.metastore.event.listeners="org.apache.hive.hcatalog.listener.DbNotificationListener"