api/java/src/main/java/com/navercorp/redis/cluster/gateway/GatewayServerSync.java
public boolean ping() {
        try {
            return ping(getResource());
        } catch (Exception e) {
            log.error("[GatewayServer] Failed to health check " + toString(), e);
        }

        return false;
    }
public boolean ping() {
        try {
            return ping(getResource());
        } catch (Exception e) {
            log.error("[GatewayServer] Failed to health check " + toString(), e);
        }

        return false;
    }
Ping.

@return true, if successful
@throws HealthCheckException the health check exception