Github user billoley commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/291#discussion_r132674190
  
    --- Diff: 
server/base/src/main/java/org/apache/accumulo/server/metrics/MetricsSystemHelper.java
 ---
    @@ -16,20 +16,65 @@
      */
     package org.apache.accumulo.server.metrics;
     
    +import java.util.HashMap;
    +import java.util.Map;
    +
     import org.apache.hadoop.metrics2.MetricsSystem;
     import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
    +import org.apache.hadoop.metrics2.source.JvmMetrics;
    +import org.apache.hadoop.metrics2.source.JvmMetricsInfo;
     
     /**
      *
      */
     public class MetricsSystemHelper {
     
    +  private static Map<String,String> serviceNameMap = new HashMap<>();
    +  private static String processName = "Unknown";
    +
    +  static {
    +    serviceNameMap.put("master", "Master");
    +    serviceNameMap.put("tserver", "TabletServer");
    +    serviceNameMap.put("monitor", "Monitor");
    +    serviceNameMap.put("gc", "GarbageCollector");
    +    serviceNameMap.put("tracer", "Tracer");
    +    serviceNameMap.put("shell", "Shell");
    --- End diff --
    
    I was originally using this map when I grabbed the -Dapp system property.  
Because the same string exists in the main() method of master, tserver, 
monitor, gc, and tracer, I changed to passing that string instead of grabbing 
the property.  I suppose I should just go one step further and pass the string 
that I want from each location which would get rid of this map.


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