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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9499) Support application catalog high availability
Date Fri, 19 Apr 2019 17:31:00 GMT
Eric Yang created YARN-9499:
-------------------------------

             Summary: Support application catalog high availability
                 Key: YARN-9499
                 URL: https://issues.apache.org/jira/browse/YARN-9499
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Eric Yang


Application catalog is mostly a stateless web application.  It depends on backend services
to store states.  At this time, Solr is a single instance server running in the same application
catalog container.  It is possible to externalize application catalog data to Solr Cloud to
remove the single instance Solr server.  This improves high availability of application catalog.

This task is to focus on how to configure connection to external Solr cloud for application
catalog container.



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