@Override
  protected void doCall() throws Exception {
    rs.getRegionServerRpcQuotaManager().switchRpcThrottle(rpcThrottleEnabled);
  }
The callable executed at RS side to switch rpc throttle state. <br/>
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/SwitchRpcThrottleRemoteCallable.java