Balázs Bence Sári created AMBARI-25047:
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Summary: StackAdvisor sometimes suggests incorrect components
Key: AMBARI-25047
URL: https://issues.apache.org/jira/browse/AMBARI-25047
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: trunk
Reporter: Balázs Bence Sári
Assignee: Balázs Bence Sári
Fix For: trunk
During testing of the integration with the component layout recommendations
API, Bence Sari noticed that there are times when the StackAdvisor will suggest
components that should not be added to a given cluster.
In some cases, it appears that the Zookeeper Failover-Controller component
("ZKFC") will be recommended by the StackAdvisor in cases where HDFS HA is not
enabled, which is not the expected behavior.
The "Add Service" API should support a mechanism for specifying a set of
components that should be ignored when recommended by the StackAdvisor. When
this new configuration property is specified, the "Add Service" API should
remove the given components from the component set provided by the StackAdvisor
during an Add Service operation.
While this will probably not be used generally, we'll need this option in place
to handle non-standard Ambari deployments (Example: Cumulus) in a generic
fashion.
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