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Posted to yarn-dev@hadoop.apache.org by "Eric Yang (JIRA)" <ji...@apache.org> on 2019/04/19 17:31:00 UTC
[jira] [Created] (YARN-9499) Support application catalog high
availability
Eric Yang created YARN-9499:
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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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