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Posted to issues@ambari.apache.org by "Tuong Truong (JIRA)" <ji...@apache.org> on 2017/03/14 23:15:41 UTC

[jira] [Commented] (AMBARI-20433) Need the ability to have dynamic dependency between component/services

    [ https://issues.apache.org/jira/browse/AMBARI-20433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925229#comment-15925229 ] 

Tuong Truong commented on AMBARI-20433:
---------------------------------------

This one may be partially duplicated by https://issues.apache.org/jira/browse/AMBARI-18355

> Need the ability to have dynamic dependency between component/services
> ----------------------------------------------------------------------
>
>                 Key: AMBARI-20433
>                 URL: https://issues.apache.org/jira/browse/AMBARI-20433
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server
>         Environment: all
>            Reporter: Tuong Truong
>
> Currently, service interdependency are statically defined in the stack regardless its needed or not.  For instance, Spark has a static dependency on Hive and will force Hive to be installed whenevern Spark is install, but Hive is only needed if Spark Thrift Server component is installed.
> It would be nice if the stack has to ability to declare the dependency conditionally and at component level and the dependency will only be in effect when the component is chosen.



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