HBASE-22270. master's jmx.clusterRequests could be negative in branch-1 (#164)

Signed-off-by: Andrew Purtell <[email protected]>

Author: puleya77

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java

@@ -1229,7 +1229,7 @@ ClusterStatusProtos.ServerLoad buildServerLoad(long reportStartTime, long report
     ClusterStatusProtos.ServerLoad.Builder serverLoad =
       ClusterStatusProtos.ServerLoad.newBuilder();
     serverLoad.setNumberOfRequests((int) regionServerWrapper.getRequestsPerSecond());
-    serverLoad.setTotalNumberOfRequests((int) regionServerWrapper.getTotalRequestCount());
+    serverLoad.setTotalNumberOfRequests(regionServerWrapper.getTotalRequestCount());
     serverLoad.setUsedHeapMB((int)(usedMemory / 1024 / 1024));
     serverLoad.setMaxHeapMB((int) (maxMemory / 1024 / 1024));
     Set<String> coprocessors = getWAL(null).getCoprocessorHost().getCoprocessors();