Github user jacques-n commented on the pull request: https://github.com/apache/drill/pull/443#issuecomment-200592038 I don't know the new semantics of ConnectionFactory. Drill now has plugin lifecycle events so we should close out an hbase connection if a storage plugin is changed or unregistered. Does that make sense in the context of HBase or does it continue to just use a static pool for connections with no way to close out? Otherwise, LGTM +1
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