{"id":46679,"date":"2022-12-03T21:03:18","date_gmt":"2023-07-27T03:11:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/"},"modified":"2024-04-29T03:37:38","modified_gmt":"2024-04-28T19:37:38","slug":"46679-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/","title":{"rendered":""},"content":{"rendered":"

\u307e\u305aBatchMessageListener\u306e\u5b9f\u88c5\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n

import<\/span> java.util.List<\/span>;<\/span>\r\n\r\nimport<\/span> org.apache.kafka.clients.consumer.ConsumerRecord<\/span>;<\/span>\r\nimport<\/span> org.springframework.kafka.annotation.KafkaListener<\/span>;<\/span>\r\nimport<\/span> org.springframework.kafka.listener.BatchMessageListener<\/span>;<\/span>\r\nimport<\/span> org.springframework.stereotype.Component<\/span>;<\/span>\r\n\r\n@Component<\/span>\r\npublic<\/span> class<\/span> SampleBatchMessageListener<\/span> implements<\/span> BatchMessageListener<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span> {<\/span>\r\n    @KafkaListener<\/span>(<\/span>topics<\/span> =<\/span> \"mytopic2\"<\/span>)<\/span>\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> onMessage<\/span>(<\/span>List<\/span><<\/span>ConsumerRecord<\/span><<\/span>String<\/span>,<\/span> String<\/span>>><\/span> data<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>data<\/span>.<\/span>size<\/span>()<\/span> +<\/span> \":\"<\/span> +<\/span> data<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u6b21\u306bspring.kafka.listener.type\u3092BATCH\u306b\u5909\u66f4\u3059\u308b\u3002<\/p>\n
spring.kafka.bootstrap-servers<\/span>=<\/span>localhost:32770<\/span>\r\nspring.kafka.consumer.group-id<\/span>=<\/span>sample-group<\/span>\r\nspring.kafka.listener.type<\/span>=<\/span>BATCH<\/span>\r\n<\/code><\/pre>\n
\u3053\u308c\u3067spring-boot\u3092\u8d77\u52d5\u3057\u3066\u9069\u5f53\u306bpublish\u3059\u308b\u3002<\/p>\n
5:[ConsumerRecord(topic = mytopic2, partition = 0, leaderEpoch = 0, offs\uff08\u4ee5\u4e0b\u7701\u7565\uff09\r\n1:[ConsumerRecord(topic = mytopic2, partition = 0, leaderEpoch = 0, offset \uff08\u4ee5\u4e0b\u7701\u7565\uff09\r\n3:[ConsumerRecord(topic = mytopic2, partition = 0, leaderEpoch = 0, o\uff08\u4ee5\u4e0b\u7701\u7565\uff09\r\n<\/code><\/pre>\n
\u4e00\u5ea6\u306b\u30d0\u30e9\u30d0\u30e9\u306e\u4ef6\u6570\u3067consume\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308b\u3002<\/p>\n
\u4ee5\u4e0a\u3067\u52d5\u4f5c\u306f\u3059\u308b\u304c\u3001\u5b9f\u904b\u7528\u3067\u306f\u4ee5\u4e0b\u3089\u3078\u3093\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3082\u6307\u5b9a\u3057\u306a\u3044\u3068\u30c0\u30e1\u3068\u601d\u308f\u308c\u308b\u3002\u30d0\u30e9\u30d0\u30e9\u306e\u4ef6\u6570\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5230\u7740\u3057\u3066\u3044\u308b\u306e\u3092\u898b\u308b\u3068\u3001\u3044\u308f\u3086\u308bRDBMS\u306e\u30b3\u30df\u30c3\u30c8\u9593\u9694\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u3088\u3046\u306b\u4f7f\u3048\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3082\u306a\u3044\u3002<\/p>\n
spring.kafka.consumer.fetch-max-wait\r\nspring.kafka.consumer.fetch-min-size\r\nspring.kafka.consumer.max-poll-records\r\n<\/code><\/pre>\n
\u30d0\u30c3\u30c1\u51e6\u7406\u7684\u306a\u767a\u60f3\u306fkafka\u3067\u3082\u6709\u52b9\u3060\u304c\u3001kafka\u56fa\u6709\u306e\u4e8b\u60c5\u306f\u8003\u616e\u304c\u5fc5\u8981\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 https:\/\/docs.spring.io\/spring-kafka\/docs\/current\/reference\/html\/#message-listeners<\/p>\n","protected":false},"excerpt":{"rendered":"
\u307e\u305aBatchMessageListener\u306e\u5b9f\u88c5\u3092\u4f5c\u6210\u3059\u308b\u3002 import java.util.List;  […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46679","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- 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\/46679-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u307e\u305aBatchMessageListener\u306e\u5b9f\u88c5\u3092\u4f5c\u6210\u3059\u308b\u3002 import java.util.List; […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T03:11:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T19:37:38+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-07-27T03:11:55+00:00\",\"dateModified\":\"2024-04-28T19:37:38+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\",\"name\":\"\u79d1, \u96c5\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u96c5\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keya\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/46679-2\/","og_locale":"zh_CN","og_type":"article","og_description":"\u307e\u305aBatchMessageListener\u306e\u5b9f\u88c5\u3092\u4f5c\u6210\u3059\u308b\u3002 import java.util.List; 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