api/java/src/main/java/com/navercorp/redis/cluster/gateway/HealthCheckManager.java
public void run() {
        for (final GatewayServer server : this.serverData.getServers()) {
            if (!server.isExist()) {
                continue;
            }

            Runnable handler = new Runnable() {
                public void run() {
                    if (!server.isExist()) {
                        return;
                    }

                    final boolean result = server.ping();
                    server.setValid(result);
                    log.debug("[HealthCheck] Result {}", server);
                }
            };
            this.threadPool.execute(handler);
        }
    }
public void run() {
        for (final GatewayServer server : this.serverData.getServers()) {
            if (!server.isExist()) {
                continue;
            }

            Runnable handler = new Runnable() {
                public void run() {
                    if (!server.isExist()) {
                        return;
                    }

                    final boolean result = server.ping();
                    server.setValid(result);
                    log.debug("[HealthCheck] Result {}", server);
                }
            };
            this.threadPool.execute(handler);
        }
    }
/*
@see java.lang.Runnable#run()