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Throws <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true"; title="class or interface in java.lang"><code>UnsupportedOperationException</code></a> if you try to close + or abort it</b>. - <p>Using this Connection to get at a local resource -- say a Region that is on the local - Server or using Admin Interface from a Coprocessor hosted on the Master -- will result in a - short-circuit of the RPC framework to make a direct invocation avoiding RPC. - <p> - Note: If you want to create Connection with your own Configuration and NOT use the Master's - Connection (though its cache of locations will be warm, and its life-cycle is not the concern - of the CP), see <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html#createConnection-org.apache.hadoop.conf.Configuration-"><code>createConnection(Configuration)</code></a>.</div> + For light-weight usage only. Heavy-duty usage will pull down + the hosting RegionServer responsiveness as well as that of other Coprocessors making use of + this Connection. Use to create table on start or to do administrative operations. Coprocessors + should create their own Connections if heavy usage to avoid impinging on hosting Server + operation. To create a Connection or if a Coprocessor requires a region with a particular + Configuration, use <a href="../../../../../org/apache/hadoop/hbase/client/ConnectionFactory.html" title="class in org.apache.hadoop.hbase.client"><code>ConnectionFactory</code></a> or + <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterCoprocessorEnvironment.html#createConnection-org.apache.hadoop.conf.Configuration-"><code>createConnection(Configuration)</code></a>}. + + <p>Be aware that operations that make use of this Connection are executed as the RegionServer + User, the hbase super user that started this server process. 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