尊龙凯时人生就是搏

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×°ÖÃJDK

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×°ÖÃMaven

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sudo apt-get install maven

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3.1 ÌìÉúÃÜÔ¿¶Ô

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ssh-keygen

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3.2 ÉèÖÃauthorized_keys

ÔÚÔ¶³Ì»úеÉÏ·­¿ªÖÕ¶Ë £¬½«ÍâµØ»úеµÄ¹«Ô¿£¨id_rsa.pub£©ÄÚÈÝÌí¼Óµ½Ô¶³Ì»úеµÄauthorized_keysÎļþÖÐ £¬ÏÂÁîÈçÏ£º

cat id_rsa.pub >> ~/.ssh/authorized_keys

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3.3 ²âÊÔÃâÃܵǼ

ÔÚÍâµØ»úеÉÏÖ´ÐÐÒÔÏÂÏÂÁî £¬ÈôÊÇÀֳɵǼµ½Ô¶³Ì»úе¶øÎÞÐèÊäÈëÃÜÂë £¬ÔòÌåÏÖÃâÃܵǼÉèÖÃÀֳɣº

ssh username@remote_ip_address

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×°ÖÃDocker

DockerÊÇÒ»¸öÊ¢ÐеÄÈÝÆ÷»¯¹¤¾ß £¬¿ÉÒÔ×ÊÖúÎÒÃÇ¿ìËÙ°²ÅźÍÖÎÀíÂþÑÜʽϵͳµÄ¸÷¸ö×é¼þ¡ £¿ÉÒÔͨ¹ýÒÔÏÂÏÂÁîÀ´×°ÖÃDocker£º

sudo apt-get install docker-ce

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±àдһ¸ö¼òÆÓµÄÂþÑÜʽϵͳʾÀý

ΪÁËÄ¥Á·ÎÒÃÇÉèÖõÄÇéÐÎÊÇ·ñÕý³£ £¬ÎÒÃÇ¿ÉÒÔ±àдһ¸ö¼òÆÓµÄÂþÑÜʽϵͳʾÀý¡£¼ÙÉèÎÒÃÇÓÐÁ½Ì¨»úе £¬Ò»Ì¨×÷ΪMaster½Úµã £¬Ò»Ì¨×÷ΪSlave½Úµã¡£Master½ÚµãÈÏÕæÎüÊÕʹÃü £¬Slave½ÚµãÈÏÕæÖ´ÐÐʹÃü¡£

Ê×ÏÈ £¬ÔÚMaster½ÚµãÉϽ¨ÉèÒ»¸öJavaÏîÄ¿ £¬Ê¹ÓÃMaven¾ÙÐÐÖÎÀí£º

mvn archetype:generate -DgroupId=com.example -DartifactId=distributed-system -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

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public class MasterNode {

    public static void main(String[] args) {
        // ³õʼ»¯Ê¹ÃüÐÐÁÐ
        Queue<Task> taskQueue = new LinkedList<>();
        taskQueue.offer(new Task("Task 1"));
        taskQueue.offer(new Task("Task 2"));
        taskQueue.offer(new Task("Task 3"));

        // ³õʼ»¯Slave½ÚµãÁбí
        List<String> slaveNodes = new ArrayList<>();
        slaveNodes.add("Slave1");
        slaveNodes.add("Slave2");

        // ·Ö·¢Ê¹Ãüµ½Slave½Úµã
        for (Task task : taskQueue) {
            String slaveNode = chooseSlaveNode(slaveNodes);
            dispatchTask(slaveNode, task);
        }
    }

    private static String chooseSlaveNode(List<String> slaveNodes) {
        // ÕâÀï¿ÉÒÔʹÓÃÖÖÖÖ¸ºÔØƽºâÕ½ÂÔÑ¡ÔñºÏÊʵÄSlave½Úµã
        return slaveNodes.get(0);
    }

    private static void dispatchTask(String slaveNode, Task task) {
        // ÏòSlave½Úµã·¢ËÍʹÃü
        System.out.println("Dispatch task: " + task.getName() + " to " + slaveNode);
    }
}

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mvn archetype:generate -DgroupId=com.example -DartifactId=distributed-system-slave -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

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È»ºó £¬ÔÚSlave½ÚµãµÄ´úÂëÎļþÖÐ £¬±àдһ¸ö¼òÆÓµÄʹÃüÖ´ÐÐÂß¼­ £¬Ê¾ÀýÈçÏ£º

public class SlaveNode {

    public static void main(String[] args) {
        // Ò»Ö±¼àÌýMaster½Úµã·¢Ë͵ÄʹÃü
        while (true) {
            Task task = receiveTask();
            if (task != null) {
                executeTask(task);
            }
        }
    }

    private static Task receiveTask() {
        // ÎüÊÕMaster½Úµã·¢Ë͵ÄʹÃü
        return null;
    }

    private static void executeTask(Task task) {
        // Ö´ÐÐʹÃü
        System.out.println("Execute task: " + task.getName());
    }
}

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