@Override
  protected void initParameter(byte[] parameter) throws InvalidProtocolBufferException {
    SwitchRpcThrottleRemoteStateData param = SwitchRpcThrottleRemoteStateData.parseFrom(parameter);
    rpcThrottleEnabled = param.getRpcThrottleEnabled();
  }
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