private boolean isReady(NodeConnectionState state, long now) {
        return state != null && state.state == ConnectionState.READY && state.throttleUntilTimeMs <= now;
    }
Return true if the connection is in the READY state and currently not throttled.

@param id the connection identifier
@param now the current time in ms
clients/src/main/java/org/apache/kafka/clients/ClusterConnectionStates.java