[jira] [Created] (SPARK-16871) Support getting HBase tokens from multiple clusters and dynamically

["Saisai Shao (JIRA)" <ji...@apache.org>]

Saisai Shao created SPARK-16871:
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             Summary: Support getting HBase tokens from multiple clusters and dynamically
                 Key: SPARK-16871
                 URL: https://issues.apache.org/jira/browse/SPARK-16871
             Project: Spark
          Issue Type: Improvement
          Components: YARN
    Affects Versions: 2.0.0
            Reporter: Saisai Shao
            Priority: Minor


Current HBase token obtaining mechanism is static, which can only get tokens from the clusters configured in hbase-site.xml and already added in classpath, this may possibly have several shortcomings for the long running services like Zeppelin and others:

1. User may want to access different HBase cluster in a secure way. but currently it can only support one.
2. User may want to change to another the cluster dynamically in the run-time. But current token obtaining mechanism can only support the one configured at the start.

So here propose to improve the current token obtaining mechanism for HBase.



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