{"id":46683,"date":"2023-05-05T04:06:54","date_gmt":"2024-01-22T20:47:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46683-2\/"},"modified":"2024-04-30T02:41:12","modified_gmt":"2024-04-29T18:41:12","slug":"46683-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46683-2\/","title":{"rendered":""},"content":{"rendered":"<p>\u203bKafka\u306b\u95a2\u3059\u308b\u60c5\u5831\u306f\u4e0b\u8a18\u306eURL\u304b\u3089\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\nhttps:\/\/kafka.apache.org\/intro<\/p>\n<h1>\u5fc5\u8981\u30e9\u30a4\u30d6\u30e9\u30ea<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">kafka-clients-3.2.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">slf4j-api-1.7.36<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">slf4j-simple-1.7.36<\/ul>\n<h1>\u4e8b\u524d\u6e96\u5099<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Kafka\u306e\u8d77\u52d5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u7acb\u3061\u4e0a\u3052\u3092\u884c\u3044\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\/bin\/zookeeper-server-start.sh \/config\/zookeeper.properties<\/ul>\n<\/li>\n<\/ul>\n<p>Kafka brokcer\u306e\u8d77\u52d5<br \/>\n\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067\u7acb\u3061\u4e0a\u3052\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n\/bin\/kafka-server-start.sh \/config\/server.properties<\/p>\n<h1>Coding<\/h1>\n<p>Kafka\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br \/>\nfinal Properties props = new Properties();<br \/>\nprops.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,<br \/>\nBOOTSTRAP_SERVERS);<br \/>\nprops.put(ConsumerConfig.GROUP_ID_CONFIG,<br \/>\n&#8220;KafkaSimpleConsumer&#8221;);<br \/>\nprops.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,<br \/>\nLongDeserializer.class.getName());<br \/>\nprops.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,<br \/>\nStringDeserializer.class.getName());<\/p>\n<p>ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG\u306fKafka\u306e\u30b5\u30fc\u30d0\u60c5\u5831\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n<p>ConsumerConfig.GROUP_ID_CONFIG\u306f\u30b3\u30f3\u30b7\u30e5\u30de\u30fc\u306e\u30b0\u30eb\u30fc\u30d7ID\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u3092\u751f\u6210\u3057\u307e\u3059\u3002<br \/>\nfinal Consumer&lt;String, String&gt; consumer =<br \/>\nnew KafkaConsumer&lt;&gt;(props, new StringDeserializer(), new StringDeserializer());<\/p>\n<p>\u53d7\u3051\u4ed8\u3051\u308bTopic\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br \/>\nList topics = new ArrayList&lt;&gt;();<\/p>\n<p>topics.add(TOPIC);<br \/>\nconsumer.subscribe(topics);<\/p>\n<p>\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u884c\u304c\u30c8\u30ea\u30ac\u30fc\u306b\u306a\u308b\u306e\u3067\u3001\u7121\u9650\u30eb\u30fc\u30d7\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u5f85\u3061\u53d7\u3051\u307e\u3059\u3002\u305d\u306e\u969b\u306b\u4e0a\u9650\u30ea\u30c8\u30e9\u30a4\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br \/>\nfinal int giveUp = 100;<br \/>\nint noRecordsCount = 0;<\/p>\n<p>while (true) {<\/p>\n<p>Kafka\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u4eca\u56de\u306e\u53d6\u5f97\u9593\u9694\u306f\uff11\uff10\uff10\uff10\u30df\u30ea\u79d2\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br \/>\nfinal ConsumerRecords&lt;String, String&gt; consumerRecords =<br \/>\nconsumer.poll(Duration.ofMillis(1000));<\/p>\n<p>\u53d6\u5f97\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\u3002<br \/>\nconsumerRecords.forEach(record -&gt; {<br \/>\nSystem.out.printf(&#8220;Consumer Record:(%s, %s, %d, %s, %s)\\n&#8221;,<br \/>\nrecord.key(), record.value(),<br \/>\nrecord.partition(), record.offset(), record.topic());<br \/>\n});<\/p>\n<p>Kafka\u30b5\u30fc\u30d0\u3068\u540c\u671f\u3092\u53d6\u308a\u307e\u3059\u3002<br \/>\nconsumer.commitAsync();<\/p>\n<p>\u3053\u308c\u4ee5\u4e0a\u3001\u53d6\u5f97\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u304c\u306a\u3044\u969b\u306b\u306f\u63a5\u7d9a\u3092\u30af\u30ed\u30fc\u30ba\u3057\u307e\u3059\u3002<br \/>\nconsumer.close();<\/p>\n<h1>\u53c2\u8003<\/h1>\n<p>\u4e0b\u8a18\u306e\u30ec\u30dd\u30b8\u30c8\u30ea\u306b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3044\u305f\u3060\u3051\u307e\u3059\u3002<br \/>\nhttps:\/\/github.com\/dlstjq7685\/KafkaSimpleConsumerTuttorial<\/p>\n<p>\u307e\u305f\u3001\u524d\u306e\u8a18\u4e8b\u306eKafka Java\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3000-\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc-\u306e\u7d9a\u304d\u306b\u306a\u308b\u306e\u3067<br \/>\n\u5408\u308f\u305b\u3066\u898b\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306fkafka\u306eJavaDoc\u306e\u5185\u5bb9\u306b\u6cbf\u3063\u3066\u4f5c\u6210\u3057\u3066\u304a\u308a\u307e\u3059\u3002<br \/>\n\u3042\u304f\u307e\u3067\u53c2\u8003\u7a0b\u5ea6\u3067\u66f8\u3044\u305f\u3082\u306e\u3067\u3059\u306e\u3067\u3001<br \/>\n\u305d\u306e\u4ed6\u306e\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u306f\u5225\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u203bKafka\u306b\u95a2\u3059\u308b\u60c5\u5831\u306f\u4e0b\u8a18\u306eURL\u304b\u3089\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 https:\/\/kafka.apache.org [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46683","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/46683-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" 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