public void switchRpcThrottle(boolean enable) throws IOException {
    try {
      byte[] upData = Bytes.toBytes(enable);
      ZKUtil.createSetData(zookeeper, rpcThrottleZNode, upData);
    } catch (KeeperException e) {
      throw new IOException("Failed to store rpc throttle", e);
    }
  }
Store the rpc throttle value.
@param enable Set to <code>true</code> to enable, <code>false</code> to disable.
@throws IOException if an unexpected io exception occurs
hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/RpcThrottleStorage.java