{"id":46696,"date":"2023-04-04T20:25:26","date_gmt":"2023-03-08T15:36:45","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46696-2\/"},"modified":"2024-04-29T21:55:12","modified_gmt":"2024-04-29T13:55:12","slug":"46696-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46696-2\/","title":{"rendered":""},"content":{"rendered":"

\u7686\u3055\u3093\u3001\u3053\u3093\u306b\u3061\u306f\uff01
\n\u6700\u8fd1\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3044\u3066\u3001Kafka\u3068\u3044\u3046\u6280\u8853\u3092\u6d3b\u7528\u3057\u305f\u305f\u3081\u3001\u4eca\u65e5\u306f\u672c\u8a18\u4e8b\u3067\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u308a\u306a\u304c\u3089\u89e3\u8aac\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u4e00\u3001Kafka\u3068\u306f<\/h3>\n

Kafka\u306f\u5927\u898f\u6a21\u306a\u30b9\u30c8\u30ea\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u30ec\u30b3\u30fc\u30c9\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u516c\u958b\u3001\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u3001\u4fdd\u5b58\u3001\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u4e8c\u3001Kafka\u306e\u4ed5\u7d44\u307f<\/h3>\n

Kafka\u306b\u306f\uff14\u3064\u306e\u30b3\u30a2API\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n

\n
API\u6982\u8981Producer API\u9001\u4fe1\u5074\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084DB\u304b\u3089\uff11\u3064\u53c8\u306f\u3001\u8907\u6570\u306eTopic\u3068\u3057\u3066\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u914d\u4fe1\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002Consumer API\u53d7\u4fe1\u5074\u306b\uff11\u3064\u53c8\u306f\u3001\u8907\u6570\u306eTopic\u3068\u3057\u3066\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u53d7\u4fe1\u3068\u51e6\u7406\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002Steams API\u30b9\u30c8\u30ea\u30fc\u30e0 \u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059Connector APIKafka \u30c8\u30d4\u30c3\u30af\u3092\u65e2\u5b58\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30ea\u30f3\u30af\u3059\u308b\u518d\u5229\u7528\u53ef\u80fd\u306a\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u307e\u305f\u306f\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u63a5\u7d9a\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/div>\n<\/div>\n

Kafka\u306fPublish-Subscribe\u30e1\u30c3\u30bb\u30fc\u30b8\u30e2\u30c7\u30eb\u3092\u5229\u7528\u3057\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n

\n
\u8981\u7d20\u3000\u8aac\u660eProducer\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u5143Consumer\u3000\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u914d\u4fe1\u5148Broker\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53ce\u96c6\u30fb\u914d\u4fe1\u5f79<\/div>\n<\/div>\n
\"image.png\"<\/div>\n

\u4e09\u3001\u74b0\u5883\u69cb\u7bc9<\/h3>\n

1.\u30a4\u30f3\u30b9\u30c8\u30fc\u30ebJava<\/h4>\n

\u3053\u3053\u306f\u7565\u3067\u3059\u3002<\/p>\n

2.\u30a4\u30f3\u30b9\u30c8\u30fc\u30ebKafka<\/h4>\n
\"image.png\"<\/div>\n

3.\u30a4\u30f3\u30b9\u30c8\u30fc\u30ebZookeeper<\/h4>\n

Kafka\u306fZookeeper\u3092\u4f9d\u983c\u3059\u308b\u306e\u3067\u3001\u5fc5\u305a\u4e88\u3081zookeeper\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001\u8d77\u52d5\u3057\u307e\u3059\u3002
\n\u305f\u3060\u3001\u4e0a\u8a18\u306e\u300c 2.\u30a4\u30f3\u30b9\u30c8\u30fc\u30ebKafka\u300d\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305fKafka\u306fzookeeper\u3092\u4ed8\u3044\u305f\u306e\u3067\u3001\u672c\u8a18\u4e8b\u306f\u5225\u9014\u3067zookeeper\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u306a\u3044\u3002<\/p>\n

\u56db\u3001Kafka\u3068Zookeeper\u306e\u8d77\u52d5<\/h3>\n

Kafka\u3092\u8d77\u52d5\u3059\u308b\u3088\u3046\u306b\u3001\u5fc5\u305azookeeper\u3092\u4e88\u3081\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\n\u5148\u305a\u306fCMD\u3092\u958b\u3044\u3066\\bin\\windows\u306e\u3057\u305f\u306b\u5165\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

    zookeeper\u306f\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002(zookeeper.properties\u306e\u30d1\u30b9\u306b\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002)<\/ul>\n

    zookeeper-server-start.bat C:\\software\\kafka_2.12-2.6.0\\config\\zookeeper.properties<\/p><\/blockquote>\n

      Kafka\u306f\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002(server.properties\u306e\u30d1\u30b9\u306b\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002)<\/ul>\n

      kafka-server-start.bat C:\\software\\kafka_2.12-2.6.0\\config\\server.properties<\/p><\/blockquote>\n

      Kafka\u3068Zookeeper\u4e21\u65b9\u3068\u3082\u3001\u7121\u4e8b\u306b\u8d77\u52d5\u3057\u305f\u3089\u3001\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067Kafka\u306eTopic\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
      \n\u672c\u8a18\u4e8b\u306fTopic\u304ctest-topic01\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

      kafka-topics.bat –create –zookeeper localhost:2181 –replication-factor 1 –partitions 1 –topic test-topic01<\/p><\/blockquote>\n

      \u4e94\u3001\u30b5\u30f3\u30d7\u30eb\u3092\u5b9f\u88c5<\/h3>\n

      1.\u5148\u305a\u3001Maven\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u3063\u3066\u4e0b\u8a18\u306e\u4f9d\u983c\u3092pom.xml\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

      <dependency><\/span>\r\n    <groupId><\/span>org.apache.kafka<\/groupId><\/span>\r\n    <artifactId><\/span>kafka-clients<\/artifactId><\/span>\r\n    <version><\/span>0.11.0.0<\/version><\/span>\r\n<\/dependency><\/span>\r\n<\/code><\/pre>\n
      2.Producter \u30af\u30e9\u30b9\u3092\u4f5c\u308b<\/p>\n
      public<\/span> class<\/span> TestProducer<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span>  Exception<\/span>{<\/span>\r\n        Properties<\/span> properties<\/span> =<\/span> new<\/span> Properties<\/span>();<\/span>\r\n        \/\/Kafka\u306e\u30db\u30b9\u30c8\u3068\u30dd\u30fc\u30c8\u3092\u8a2d\u5b9a\u3059\u308b<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"bootstrap.servers\"<\/span>,<\/span>\"127.0.0.1:9092\"<\/span>);<\/span>\r\n        \/\/key Serialize<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"key.serializer\"<\/span>,<\/span> StringSerializer<\/span>.<\/span>class<\/span>.<\/span>getName<\/span>());<\/span>\r\n        \/\/value Serialize<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"value.serializer\"<\/span>,<\/span>StringSerializer<\/span>.<\/span>class<\/span>.<\/span>getName<\/span>());<\/span>\r\n        KafkaProducer<\/span><<\/span>String<\/span>,<\/span>String<\/span>><\/span> kafkaProducer<\/span> =<\/span> new<\/span> KafkaProducer<\/span><<\/span>String<\/span>,<\/span> String<\/span>>(<\/span>properties<\/span>);<\/span>\r\n\r\n        \/\/ Message\u3092\u4f5c\u308b\u3002<\/span>\r\n        \/\/ message\u306ekey:testKey,message\u306evalue:hello, this\u3000is Kafka producer!<\/span>\r\n        ProducerRecord<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span> stringStringProducerRecord<\/span> =<\/span> new<\/span> ProducerRecord<\/span><<\/span>String<\/span>,<\/span> String<\/span>>(<\/span>\"test-topic01\"<\/span>,<\/span>0<\/span>,<\/span>\"testKey\"<\/span>,<\/span>\"hello, this\u3000is Kafka producer!\"<\/span>);<\/span>\r\n\r\n        \/\/ \u30ed\u30b0\u51fa\u529b<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"kafka producer start....\"<\/span>);<\/span>\r\n\r\n        Future<\/span><<\/span>RecordMetadata<\/span>><\/span> send<\/span> =<\/span> kafkaProducer<\/span>.<\/span>send<\/span>(<\/span>stringStringProducerRecord<\/span>);<\/span>\r\n\r\n        \/\/ \u30ed\u30b0\u51fa\u529b<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"producer send data:\"<\/span> +<\/span> stringStringProducerRecord<\/span>.<\/span>value<\/span>());<\/span>\r\n        RecordMetadata<\/span> recordMetadata<\/span> =<\/span> send<\/span>.<\/span>get<\/span>();<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>recordMetadata<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
      3.Consumer\u30af\u30e9\u30b9\u3092\u4f5c\u308b<\/p>\n
      public<\/span> class<\/span> TestConsumer<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Properties<\/span> properties<\/span> =<\/span> new<\/span> Properties<\/span>();<\/span>\r\n        \/\/ Kafka\u306e\u30db\u30b9\u30c8\u3068\u30dd\u30fc\u30c8\u3092\u8a2d\u5b9a\u3059\u308b<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"bootstrap.servers\"<\/span>,<\/span>\"127.0.0.1:9092\"<\/span>);<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"key.deserializer\"<\/span>,<\/span> StringDeserializer<\/span>.<\/span>class<\/span>.<\/span>getName<\/span>());<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"value.deserializer\"<\/span>,<\/span>StringDeserializer<\/span>.<\/span>class<\/span>.<\/span>getName<\/span>());<\/span>\r\n        properties<\/span>.<\/span>setProperty<\/span>(<\/span>\"group.id\"<\/span>,<\/span>\"1111\"<\/span>);<\/span>\r\n        KafkaConsumer<\/span><<\/span>String<\/span>,<\/span>String<\/span>><\/span> consumer<\/span> =<\/span> new<\/span> KafkaConsumer<\/span><<\/span>String<\/span>,<\/span> String<\/span>>(<\/span>properties<\/span>);<\/span>\r\n\r\n        \/\/ topic\u3092\u8a2d\u5b9a\u3059\u308b<\/span>\r\n        consumer<\/span>.<\/span>subscribe<\/span>(<\/span>Collections<\/span>.<\/span>singletonList<\/span>(<\/span>\"test-topic01\"<\/span>));<\/span>\r\n\r\n       \/\/ \u30ed\u30b0\u51fa\u529b<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"kafka consumer start...\"<\/span>);<\/span>\r\n        while<\/span> (<\/span>true<\/span>){<\/span>\r\n            ConsumerRecords<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span> poll<\/span> =<\/span> consumer<\/span>.<\/span>poll<\/span>(<\/span>500<\/span>);<\/span>\r\n            for<\/span> (<\/span>ConsumerRecord<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span> stringStringConsumerRecord<\/span> :<\/span> poll<\/span>)<\/span> {<\/span>\r\n                \/\/ Producer\u304b\u3089\u53d6\u5f97\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u3059\u308b<\/span>\r\n                System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Consumer get data from kafka producer:\"<\/span> +<\/span> stringStringConsumerRecord<\/span>.<\/span>value<\/span>());<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
      \u3053\u3053\u307e\u3067\u3001Kafka\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u308a\u7d42\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n
      \u516d\u3001\u52d5\u4f5c\u78ba\u8a8d<\/h3>\n
      \u5148\u305a\u3001TestConsumer\u30af\u30e9\u30b9\u3092java application\u306e\u5f62\u3067\u8d77\u52d5\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002
      \n\u4e0b\u8a18\u306e\u30ed\u30b0\u51fa\u529b\u3057\u305f\u3089\u3001OK\u3067\u3059\u3002<\/p>\n
      kafka<\/span> consumer<\/span> start<\/span>...<\/span>\r\n<\/code><\/pre>\n
      \"image.png\"<\/div>\n
      \u4e0a\u8a18\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u898b\u308b\u3068\u3001\u30b5\u30f3\u30d7\u30eb\u306f\u6b63\u5e38\u306b\u52d5\u3051\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n
      \u4e03\u3001\u6700\u5f8c\u306b<\/h3>\n
      \u6700\u5f8c\u307e\u3067\u8aad\u3093\u3067\u3044\u305f\u3060\u304d\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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