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Posted to yarn-dev@hadoop.apache.org by "Eric Yang (JIRA)" <ji...@apache.org> on 2018/08/30 17:03:00 UTC

[jira] [Created] (YARN-8733) Readiness check for remote component

Eric Yang created YARN-8733:
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             Summary: Readiness check for remote component
                 Key: YARN-8733
                 URL: https://issues.apache.org/jira/browse/YARN-8733
             Project: Hadoop YARN
          Issue Type: New Feature
          Components: yarn-native-services
            Reporter: Eric Yang


When a service is deploying, there can be remote component dependency between services.  For example, Hive server 2 can depend on Hive metastore, which depends on a remote MySQL database.  It would be great to have ability to check the remote server and port to make sure MySQL is available before deploying Hive LLAP service.



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