{"id":46800,"date":"2024-01-11T09:44:47","date_gmt":"2024-01-25T02:45:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/"},"modified":"2024-05-04T17:51:24","modified_gmt":"2024-05-04T09:51:24","slug":"%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/","title":{"rendered":"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f"},"content":{"rendered":"<p>\u6211\u662f\u65e5\u7acb\u5236\u4f5c\u682a\u5f0f\u4f1a\u793e\u7814\u53d1\u96c6\u56e2\u670d\u52a1\u8ba1\u7b97\u7814\u7a76\u90e8\u7684\u6817\u539f\u3002<\/p>\n<p>\u6211\u6700\u8fd1\u7528Kafka\u6784\u5efa\u4e86\u4e00\u4e2aSaga\u6a21\u5f0f\u7684\u6f14\u793a\uff08PostgreSQL+Debezium+Kafka\uff09\uff0c\u5e76\u8fdb\u884c\u4e86\u64cd\u4f5c\u9a8c\u8bc1\uff0c\u6240\u4ee5\u60f3\u8981\u5199\u4e00\u7bc7\u6587\u7ae0\u3002<\/p>\n<h3>\uff11\uff0e\u963f\u5e15\u5947\u5361\u592b\u5361<\/h3>\n<p>Kafka\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u4e8b\u4ef6\u6d41\u5e73\u53f0\u3002\u5b83\u5177\u6709\u9ad8\u53ef\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u5e76\u4e14\u6709\u8bb8\u591a\u4f7f\u7528\u6848\u4f8b\u548c\u5e94\u7528\u9886\u57df\u3002\u5728\u8f6f\u4ef6\u9009\u62e9\u7684\u65f6\u5019\uff0c\u6211\u8ba4\u4e3a\u5b83\u662f\u4e00\u4e2a\u7ecf\u5e38\u88ab\u9009\u4e2d\u7684\u8f6f\u4ef6\u4e4b\u4e00\u3002<\/p>\n<p>Apache Kafka\uff1ahttps:\/\/kafka.apache.org\/<\/p>\n<h3>\uff12\uff0e\u5fae\u670d\u52a1\u4e2d\u7684Saga\u6a21\u5f0f\u3002<\/h3>\n<p>\u4f7f\u7528\u5fae\u670d\u52a1\u65f6\uff0c\u8de8\u591a\u4e2a\u670d\u52a1\u66f4\u65b0\u6570\u636e\u7684\u8bbe\u8ba1\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u3002\u5373\u4f7f\u4e00\u4e2a\u670d\u52a1\u4e2d\u7684\u5904\u7406\u6b63\u5e38\u8fdb\u884c\u5e76\u4e14\u4e8b\u52a1\u5df2\u7ecf\u63d0\u4ea4\uff0c\u5982\u679c\u5728\u53e6\u4e00\u4e2a\u670d\u52a1\u4e2d\u53d1\u751f\u5f02\u5e38\uff0c\u6574\u4e2a\u5904\u7406\u90fd\u9700\u8981\u88ab\u64a4\u9500\u3002<\/p>\n<p>\u7531\u4e8e\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u6267\u884c\u6574\u4e2a\u5904\u7406\u662f\u5f88\u56f0\u96be\u7684\uff0c\u56e0\u6b64\u901a\u8fc7\u7ed3\u679c\u4e00\u81f4\u6027\u6765\u89e3\u51b3\u3002\u5b9e\u73b0\u8fd9\u79cd\u89e3\u51b3\u65b9\u6848\u7684\u4e3b\u8981\u67b6\u6784\u6709TCC\uff08\u5c1d\u8bd5-\u786e\u8ba4\/\u53d6\u6d88\uff09\u6a21\u5f0f\u548cSaga\u6a21\u5f0f\u8fd9\u4e24\u79cd\u4ee3\u8868\u6027\u65b9\u6cd5\u3002<\/p>\n<p>TCC\u6a21\u5f0f\u7c7b\u4f3c\u4e8eRDB\u7684\u4e24\u9636\u6bb5\u63d0\u4ea4\uff0c\u5728\u9996\u5148\u786e\u8ba4\u6bcf\u4e2a\u670d\u52a1\u662f\u5426\u53ef\u8fdb\u884c\u66f4\u65b0\uff08\u8bd5\u9a8c\uff09\u4e4b\u540e\uff0c\u5728\u6240\u6709\u670d\u52a1\u90fd\u53ef\u4ee5\u66f4\u65b0\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u66f4\u65b0\uff08\u786e\u8ba4\uff09\uff0c\u5426\u5219\u53d6\u6d88\uff08\u64a4\u6d88\uff09\u7684\u65b9\u6cd5\u3002<br \/>\n\u800cSaga\u6a21\u5f0f\u662f\u4e00\u79cd\u5148\u5728\u6bcf\u4e2a\u670d\u52a1\u4e2d\u786e\u8ba4\u5904\u7406\uff0c\u5e76\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u901a\u8fc7\u8865\u507f\u5904\u7406\u6765\u64a4\u9500\u7ed3\u679c\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u6211\u5728\u8fd9\u91cc\u4ea7\u751f\u4e86\u7591\u95ee\uff0c\u90a3\u5c31\u662f\u5173\u4e8e\u5728\u67d0\u9879\u670d\u52a1\u53d1\u751f\u5f02\u5e38\u65f6\u5982\u4f55\u4fdd\u8bc1\u7ed3\u679c\u7684\u4e00\u81f4\u6027\u3002<br \/>\nTCC\u6a21\u5f0f\u5728\u83b7\u5f97\u6240\u6709\u76f8\u5173\u670d\u52a1\u7684\u53ef\u66f4\u65b0\u54cd\u5e94\u4e4b\u524d\uff0c\u5904\u7406\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u6240\u4ee5\u5373\u4f7f\u67d0\u4e2a\u670d\u52a1\u53d1\u751f\u5f02\u5e38\uff0c\u6211\u8ba4\u4e3a\u5176\u7f3a\u70b9\u5f88\u5c0f\u3002<\/p>\n<p>\u5728\u4e00\u79cdSaga\u6a21\u5f0f\u4e2d\uff0c\u5373\u4f7f\u5728\u4e2d\u9014\u7684\u670d\u52a1\u4e2d\u53d1\u751f\u5f02\u5e38\uff0c\u5176\u4ed6\u670d\u52a1\u7684\u5904\u7406\u4e5f\u4e0d\u4f1a\u505c\u6b62\uff0c\u56e0\u6b64\u9700\u8981\u786e\u4fdd\u6570\u636e\u66f4\u65b0\u548c\u901a\u77e5\u5176\u4ed6\u670d\u52a1\u5177\u6709\u7ed3\u679c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u6b64\u5904\u53ef\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Saga Orchestration for Microservices Using the Outbox Pattern:\u3000https:\/\/www.infoq.com\/articles\/saga-orchestration-outbox\/<\/ul>\n<\/li>\n<\/ul>\n<p>Chris Richardson (2019), Microservices Patterns, Manning Publications<\/p>\n<h3>RDB\u52a0\u4e0aDebezium\u518d\u52a0\u4e0aKafka\u3002<\/h3>\n<p>\u4f7f\u7528\u5fae\u670d\u52a1\u8de8\u591a\u4e2a\u670d\u52a1\u66f4\u65b0\u6570\u636e\u65f6\uff0c\u9700\u8981\u5728\u6bcf\u4e2a\u670d\u52a1\u4e2d\u8fdb\u884c\u6570\u636e\u6e90\uff08RDB\uff09\u7684\u66f4\u65b0\u548c\u901a\u77e5\u5176\u4ed6\u670d\u52a1\u7684\u5904\u7406\u3002<br \/>\n\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u66f4\u65b0\u548c\u901a\u77e5\u5230\u5176\u4ed6\u670d\u52a1\u7684\u7ed3\u679c\u4e00\u81f4\u6027\uff0c\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u5206\u5e03\u5f0f\u5e73\u53f0Debezium\u6765\u6355\u83b7\u66f4\u65b0\u6570\u636e\u5e76\u6784\u5efaTransactional Outbox\u6a21\u5f0f\u3002<\/p>\n<p>Debezium\uff1ahttps:\/\/debezium.io\/<\/p>\n<p>\u5728Transactional Outbox\u6a21\u5f0f\u4e2d\uff0c\u6211\u4eec\u51c6\u5907\u4e86\u4e00\u4e2a\u7528\u4e8e\u4e1a\u52a1\u6570\u636e\u7684\u5173\u7cfb\u6570\u636e\u5e93\u8868\u548c\u4e00\u4e2a\u7528\u4e8e\u901a\u77e5\u7684outbox\u8868\uff0c\u5e76\u901a\u8fc7\u4e00\u4e2a\u4e8b\u52a1\u5c06\u4e24\u4e2a\u8868\u540c\u65f6\u8fdb\u884c\u539f\u5b50\u66f4\u65b0\u3002Debezium\u4f1a\u76d1\u6d4boutbox\u8868\u7684\u53d8\u5316\uff0c\u5e76\u5c06\u5176\u53d1\u9001\u548c\u901a\u77e5\u5230Kafka\u7684Topic\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ea\u66f4\u65b0\u5173\u7cfb\u6570\u636e\u5e93\u8868\uff0c\u6d88\u606f\u53d1\u9001\u7531Debezium\u6355\u6349\u5173\u7cfb\u6570\u636e\u5e93\u7684\u53d8\u5316\u6765\u5b8c\u6210\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u7ed3\u679c\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7b09913a08637a697ed2\/15-0.png\" alt=\"image.png\" \/><\/div>\n<h3>4. \u6784\u5efa\u6837\u672c<\/h3>\n<p>\u6211\u5011\u5c07\u5be6\u969b\u69cb\u5efa\u4e00\u500b\u4f7f\u7528PostgreSQL\uff0bDebezium\uff0bKafka\u7684Saga\u6a21\u5f0f\u7684\u6a23\u4f8b\u4e26\u9032\u884c\u9a57\u8b49\u3002<br \/>\n\u5e78\u904b\u7684\u662f\uff0c\u7531\u65bc\u9019\u7a2e\u914d\u7f6e\u7684\u5efa\u7acb\u7bc4\u4f8b\u5df2\u5728GitHub\u4e0a\u516c\u958b\uff0c\u56e0\u6b64\u6211\u5011\u5c07\u4f7f\u7528\u5b83\u3002<br \/>\n\u7531\u65bc\u9a57\u8b49Saga\u6a21\u5f0f\u662f\u76ee\u7684\uff0c\u6240\u4ee5\u6211\u5011\u5c07\u7701\u7565\u89e3\u91cb\uff0c\u4f46\u9019\u500b\u6a23\u4f8b\u662f\u4e00\u500b\u7de8\u6392\u5668\u985e\u578b\u7684\u4f8b\u5b50\u3002<br \/>\nGitHub\u9023\u7d50\uff1ahttps:\/\/github.com\/debezium\/debezium-examples\/tree\/master\/saga<\/p>\n<p>\u7b80\u5355\u5730\u89e3\u91ca\u4e00\u4e0b\u6837\u672c\u7684\u5904\u7406\u5185\u5bb9\uff0c\u524d\u7aef\u90e8\u5206\u662fOrder\u670d\u52a1\u63a5\u53d7\u4fe1\u7528\u5361\u652f\u4ed8\u8ba2\u5355\uff0c\u540e\u7aef\u90e8\u5206\u5305\u62ecCustomer\u670d\u52a1\u548cPayment\u670d\u52a1\u5206\u522b\u8fdb\u884c\u7528\u6237\u4fe1\u606f\u66f4\u65b0\u548c\u4ed8\u6b3e\u4fe1\u606f\u66f4\u65b0\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7b09913a08637a697ed2\/19-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u74b0\u5883\u69cb\u7bc9\u7684\u524d\u63d0\u689d\u4ef6\u662f\u5df2\u5b89\u88dd\u4e86Maven\u548cDocker Compose\uff0c\u4e26\u78ba\u8a8d\u4f7f\u7528\u7684Docker Compose\u7248\u672c\u70ba1.29.2\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6709\u4e24\u4e2a\u91cd\u8981\u7684\u5143\u7d20\u3002<br \/>\n\u4e00\u4e2a\u662f\u7528Java\u5b9e\u73b0\u7684\u4e1a\u52a1\u903b\u8f91\u5e93\uff0c\u53e6\u4e00\u4e2a\u662fDebezium\u7684Kafka Connector\u3002<\/p>\n<h4>(1) \u5fb7\u8d1d\u9f50\u59c6-\u5938\u514b\u65af\u5916\u53d1\u5e93<\/h4>\n<p>\u5728\u4f7f\u7528Java\u5b9e\u73b0\u7684\u4e1a\u52a1\u903b\u8f91\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u540d\u4e3adebezium-quarkus-outbox\u7684\u5e93\u3002\u8be5\u5e93\u63d0\u4f9b\u4e86\u5411\u5176\u4ed6\u670d\u52a1\u53d1\u9001\u901a\u77e5\u548c\u63a5\u6536\u901a\u77e5\u7684\u529f\u80fd\u3002<br \/>\n\u4f5c\u4e3a\u5411\u5176\u4ed6\u670d\u52a1\u53d1\u9001\u901a\u77e5\u7684\u529f\u80fd\uff0c\u5f53\u76d1\u89c6\u76ee\u6807\u8868\uff08\u4e1a\u52a1\u6570\u636e\u8868\uff09\u8fdb\u884cCUD\uff08\u521b\u5efa\/\u66f4\u65b0\/\u5220\u9664\uff09\u64cd\u4f5c\u65f6\uff0c\u6211\u4eec\u4f1a\u5c06\u8be5\u64cd\u4f5c\u5185\u5bb9\u540c\u65f6\u5199\u5165\u6307\u5b9a\u7684outboxevent\u8868\u4e2d\uff0c\u8be5\u8868\u662f\u7531Java\u7a0b\u5e8f\u6307\u5b9a\u7684\u3002<br \/>\n\u6b64\u5916\uff0c\u8fd8\u5b9e\u73b0\u4e86\u901a\u8fc7Kafka\u63a5\u6536\u5176\u4ed6\u670d\u52a1\u7684\u901a\u77e5\u529f\u80fd\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u4ece\u540e\u7aef\u670d\u52a1\uff08\u6a21\u62df\u652f\u4ed8\u4fe1\u606f\u8bb0\u5f55\u7684Payment\u670d\u52a1\u548c\u6a21\u62df\u5ba2\u6237\u4fe1\u7528\u4fe1\u606f\u8bb0\u5f55\u7684Credit\u670d\u52a1\uff09\u63a5\u6536\u4e86\u54cd\u5e94\u3002<\/p>\n<p>Debezium\u6587\u6863&gt;\u96c6\u6210&gt;Outbox Quarkus\u6269\u5c55:<br \/>\nhttps:\/\/debezium.io\/documentation\/reference\/integrations\/outbox.html<\/p>\n<p>\u8fd9\u4e2a\u5e93\u7684\u914d\u7f6e\u6587\u4ef6\u662forder-service\/src\/main\/resources\/application.properties\u3002\u4f60\u53ef\u4ee5\u5728\u4e0b\u9762\u7684\u94fe\u63a5\u4e2d\u786e\u8ba4\u9009\u9879\u5185\u5bb9\u3002<br \/>\nhttps:\/\/debezium.io\/documentation\/reference\/integrations\/outbox.html#_configuration<\/p>\n<pre class=\"post-pre\"><code><span class=\"py\">quarkus.datasource.db-kind<\/span><span class=\"p\">=<\/span><span class=\"s\">postgresql<\/span>\r\n<span class=\"py\">quarkus.datasource.jdbc.url<\/span><span class=\"p\">=<\/span><span class=\"s\">jdbc:postgresql:\/\/localhost:5432\/orderdb<\/span>\r\n<span class=\"py\">quarkus.datasource.username<\/span><span class=\"p\">=<\/span><span class=\"s\">orderuser<\/span>\r\n<span class=\"py\">quarkus.datasource.password<\/span><span class=\"p\">=<\/span><span class=\"s\">orderpw<\/span>\r\n<span class=\"py\">quarkus.hibernate-orm.log.sql<\/span><span class=\"p\">=<\/span><span class=\"s\">true<\/span>\r\n\r\n<span class=\"py\">quarkus.hibernate-orm.database.generation<\/span><span class=\"p\">=<\/span><span class=\"s\">drop-and-create<\/span>\r\n<span class=\"c\"># quarkus.hibernate-orm.database.generation=update\r\n<\/span><span class=\"py\">quarkus.hibernate-orm.database.default-schema<\/span><span class=\"p\">=<\/span><span class=\"s\">purchaseorder<\/span>\r\n<span class=\"py\">quarkus.log.level<\/span><span class=\"p\">=<\/span><span class=\"s\">INFO<\/span>\r\n<span class=\"py\">quarkus.log.min-level<\/span><span class=\"p\">=<\/span><span class=\"s\">INFO<\/span>\r\n<span class=\"py\">quarkus.log.console.enable<\/span><span class=\"p\">=<\/span><span class=\"s\">true<\/span>\r\n<span class=\"py\">quarkus.log.console.format<\/span><span class=\"p\">=<\/span><span class=\"s\">%d{HH:mm:ss} %-5p [%c] %s%e%n<\/span>\r\n\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.connector<\/span><span class=\"p\">=<\/span><span class=\"s\">smallrye-kafka<\/span>\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.topic<\/span><span class=\"p\">=<\/span><span class=\"s\">payment.response<\/span>\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.bootstrap.servers<\/span><span class=\"p\">=<\/span><span class=\"s\">localhost:9092<\/span>\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.group.id<\/span><span class=\"p\">=<\/span><span class=\"s\">order-service<\/span>\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.key.deserializer<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.serialization.StringDeserializer<\/span>\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.value.deserializer<\/span><span class=\"p\">=<\/span><span class=\"s\">io.debezium.examples.saga.order.facade.serdes.PaymentDeserializer<\/span>\r\n<span class=\"py\">mp.messaging.incoming.paymentresponse.interceptor.classes<\/span><span class=\"p\">=<\/span><span class=\"s\">io.opentracing.contrib.kafka.TracingConsumerInterceptor<\/span>\r\n\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.connector<\/span><span class=\"p\">=<\/span><span class=\"s\">smallrye-kafka<\/span>\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.topic<\/span><span class=\"p\">=<\/span><span class=\"s\">credit-approval.response<\/span>\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.bootstrap.servers<\/span><span class=\"p\">=<\/span><span class=\"s\">localhost:9092<\/span>\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.group.id<\/span><span class=\"p\">=<\/span><span class=\"s\">order-service<\/span>\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.key.deserializer<\/span><span class=\"p\">=<\/span><span class=\"s\">org.apache.kafka.common.serialization.StringDeserializer<\/span>\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.value.deserializer<\/span><span class=\"p\">=<\/span><span class=\"s\">io.debezium.examples.saga.order.facade.serdes.CreditDeserializer<\/span>\r\n<span class=\"py\">mp.messaging.incoming.creditresponse.interceptor.classes<\/span><span class=\"p\">=<\/span><span class=\"s\">io.opentracing.contrib.kafka.TracingConsumerInterceptor<\/span>\r\n\r\n<span class=\"c\"># Tracing configuration\r\n<\/span><span class=\"py\">quarkus.jaeger.service-name<\/span><span class=\"p\">=<\/span><span class=\"s\">order-service<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u67e5\u770boutbox\u7684\u6570\u636e\uff0c\u6211\u5728INSERT\u5230outbox\u4e4b\u540e\u6dfb\u52a0\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4e0d\u4f1a\u88ab\u5220\u9664\u3002<\/p>\n<pre class=\"post-pre\"><code>quarkus.debezium-outbox.remove-after-insert=false\r\n<\/code><\/pre>\n<h4>Debezium\u8fde\u63a5\u5668 (Debezium Connector)<\/h4>\n<p>\u6211\u4eec\u5c06\u68c0\u67e5Debezium\u7684Kafka Connector\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002\u7531\u4e8e\u8fd9\u4e2a\u914d\u7f6e\u4e0e\u4e09\u4e2a\u670d\u52a1\u7c7b\u4f3c\uff0c\u6211\u4eec\u53ea\u9700\u8981\u67e5\u770b\u9002\u7528\u4e8eOrder\u670d\u52a1\u7684\u914d\u7f6e\u6587\u4ef6register-order-connector.json\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>   \r\n    <span class=\"nl\">\"connector.class\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"io.debezium.connector.postgresql.PostgresConnector\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"tasks.max\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"database.hostname\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"order-db\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"database.port\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"5432\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"database.user\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"orderuser\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"database.password\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"orderpw\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"database.dbname\"<\/span> <span class=\"p\">:<\/span> <span class=\"s2\">\"orderdb\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"database.server.name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"dbserver1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"schema.include.list\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"purchaseorder\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"table.include.list\"<\/span> <span class=\"p\">:<\/span> <span class=\"s2\">\"purchaseorder.outboxevent\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"tombstones.on.delete\"<\/span> <span class=\"p\">:<\/span> <span class=\"s2\">\"false\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"key.converter\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"org.apache.kafka.connect.storage.StringConverter\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"value.converter\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"org.apache.kafka.connect.storage.StringConverter\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"transforms\"<\/span> <span class=\"p\">:<\/span> <span class=\"s2\">\"saga\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"transforms.saga.type\"<\/span> <span class=\"p\">:<\/span> <span class=\"s2\">\"io.debezium.transforms.outbox.EventRouter\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"transforms.saga.route.topic.replacement\"<\/span> <span class=\"p\">:<\/span> <span class=\"s2\">\"${routedByValue}.request\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"poll.interval.ms\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"100\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u5173\u4e8e\u8fdb\u884c\u6570\u636e\u5e93\u8f6e\u8be2\u8bbf\u95ee\u7684\u4fe1\u606f\u548cKafka\u8fde\u63a5\u5668\u7684\u914d\u7f6e\u4fe1\u606f\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u76ee\u6807Kafka\u4e3b\u9898\u662f${routedByValue}\uff0c\u5b83\u6839\u636eoutbox\u8868\u7684aggregateType\u53d8\u91cf\u6307\u5b9a\uff0c\u5e76\u6839\u636e\u63d2\u5165\u5230outbox\u7684\u6570\u636e\u5185\u5bb9\u6765\u51b3\u5b9a\u8981\u4ea7\u751f\u5230\u54ea\u4e2aKafka\u4e3b\u9898\u7684\u6d88\u606f\u3002<\/p>\n<h3>\uff15\uff0e\u9a8c\u8bc1<\/h3>\n<p>\u5728\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\uff0c\u5c06\u901a\u8fc7\u4ee5\u4e0b3\u4e2a\u65b9\u9762\u8fdb\u884c\u786e\u8ba4\uff0c\u4ee5\u786e\u4fdd\u5728\u5b9e\u9645\u6848\u4f8b\u4e2d\u7684\u5e94\u7528\u8fd0\u8425\u4e2d\u4e0d\u5b58\u5728\u4efb\u4f55\u95ee\u9898\u3002<br \/>\n(1) \u67e5\u770b\u5916\u90e8\u53ef\u89c1\u7684\u6570\u636e\u5e93\u7684\u66f4\u65b0\u662f\u5426\u4f1a\u88ab\u53d1\u9001\u5230Kafka\u4e2d\u3002<br \/>\n(2) \u7a0b\u5e8f\u5185\u90e8\u7684\u8fd0\u4f5c\u65b9\u5f0f\u3002<br \/>\n(3) \u76d1\u63a7\u884c\u4e3a\u7684\u8ffd\u8e2a\u673a\u5236\u3002<\/p>\n<h4>(1) \u5916\u90e8\u53ef\u89c1\u7684\u6570\u636e\u5e93\u66f4\u65b0\u52a8\u4f5c\u4f1a\u88ab\u53d1\u5e03\u5230Kafka\u3002<\/h4>\n<p>\u6211\u4eec\u5c06\u9a8c\u8bc1\u5728\u6267\u884c\u6b63\u5e38\u5904\u7406\u8bf7\u6c42\u65f6\u7684\u884c\u4e3a\u3002<\/p>\n<pre class=\"post-pre\"><code>$ http POST http:\/\/localhost:8080\/orders &lt; requests\/place-order.json\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u627e\u53d1\u9001\u5230\u540e\u7aef\u670d\u52a1\u4e4b\u4e00\u7684Customer\u670d\u52a1\u7684\u4e3b\u9898\u7684\u6d88\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code>$ docker run --tty --rm     --network saga-network     debezium\/tooling:1.1     kafkacat -b kafka:9092 -C -o beginning -q     -f \"{\\\"key\\\":%k, \\\"headers\\\":\\\"%h\\\"}\\n%s\\n\"     -t credit-approval.request\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\u53d8\u6210\u4e86\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code>{\"key\":57974d15-a2f5-49a7-b18a-71c636193bdd, \"headers\":\"uber-trace-id=76d506f0a064b52d:edc3f04e96eac235:5c944ec803ae2b47:1,id=f9a78388-883a-45d7-b4f6-7d47f8c89187,uber-trace-id=76d506f0a064b52d:4f0ef2e07d4263d4:edc3f04e96eac235:1\"}\r\n{\"order-id\":3,\"customer-id\":456,\"payment-due\":4999,\"credit-card-no\":\"xxxx-yyyy-dddd-aaaa\",\"type\":\"REQUEST\"}\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u786e\u8ba4&#8221;order-id&#8221;\u3001&#8221;customer-id&#8221;\u3001&#8221;payment-due&#8221;\u3001&#8221;credit-card-no&#8221;\u3001&#8221;type&#8221;\u7b49\u6570\u636e\u5df2\u7ecf\u88ab\u751f\u4ea7\u5230\u4e86Kafka\u4e2d\u3002<\/p>\n<p>\u540c\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u7684\u547d\u4ee4\u6765\u67e5\u8be2\u88ab\u751f\u4ea7\u5230Payment\u670d\u52a1\u7684\u8bdd\u9898\u4e2d\u7684\u6d88\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code>$ docker run --tty --rm \\\r\n&gt;     --network saga-network \\\r\n&gt;     debezium\/tooling:1.1 \\\r\n&gt;     kafkacat -b kafka:9092 -C -o beginning -q \\\r\n&gt;     -f \"{\\\"key\\\":%k, \\\"headers\\\":\\\"%h\\\"}\\n%s\\n\" \\\r\n&gt;     -t payment.request\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>{\"key\":57974d15-a2f5-49a7-b18a-71c636193bdd, \"headers\":\"uber-trace-id=76d506f0a064b52d:59e20a8698815bdb:221d613d33da9539:1,id=89b3769c-2c57-4da7-ac1e-69972a273fed,uber-trace-id=76d506f0a064b52d:13b0ea2fef3c4c2d:59e20a8698815bdb:1\"}\r\n{\"type\":\"REQUEST\",\"order-id\":3,\"customer-id\":456,\"payment-due\":4999,\"credit-card-no\":\"xxxx-yyyy-dddd-aaaa\"}\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u786e\u8ba4\u4e4b\u524d\u4e0e \u521a\u624d\u76f8\u540c\u7684\u201corder-id\u201d\u3001\u201ccustomer-id\u201d\u3001\u201cpayment-due\u201d\u3001\u201ccredit-card-no\u201d\u3001\u201ctype\u201d\u6570\u636e\u5df2\u7ecf\u88ab\u751f\u4ea7\u5230\u4e86Kafka\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u786e\u8ba4\u5df2\u7ecf\u4ece\u9ed8\u8ba4\u8bbe\u7f6e\u66f4\u6539\u5e76\u4e14\u5df2\u88ab\u8bbe\u7f6e\u4e3a\u4e0d\u4f1a\u81ea\u52a8\u5220\u9664\u7684Outbox\u8868\u7684\u72b6\u6001\u5982\u4f55\u3002<\/p>\n<pre class=\"post-pre\"><code>orderuser@order-db:orderdb&gt; select * from purchaseorder.outboxevent;\r\n+--------------------------------------+-----------------+--------------------------------------+---------+----------------------------+------------------------------------\r\n--------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------+\r\n| id                                   | aggregatetype   | aggregateid                          | type    | timestamp                  | payload\r\n                                                                                                  | tracingspancontext                                                    |\r\n|--------------------------------------+-----------------+--------------------------------------+---------+----------------------------+------------------------------------\r\n--------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------|\r\n| f9a78388-883a-45d7-b4f6-7d47f8c89187 | credit-approval | 57974d15-a2f5-49a7-b18a-71c636193bdd | REQUEST | 2021-08-16 07:12:42.605371 | {\"order-id\":3,\"customer-id\":456,\"pa\r\nyment-due\":4999,\"credit-card-no\":\"xxxx-yyyy-dddd-aaaa\",\"type\":\"REQUEST\"} | #Mon Aug 16 07:12:42 GMT 2021                                         |\r\n|                                      |                 |                                      |         |                            |\r\n                                                                                                 | uber-trace-id=76d506f0a064b52d\\:a7c822eda5e59186\\:76d506f0a064b52d\\:1 |\r\n| 89b3769c-2c57-4da7-ac1e-69972a273fed | payment         | 57974d15-a2f5-49a7-b18a-71c636193bdd | REQUEST | 2021-08-16 07:12:42.956002 | {\"type\":\"REQUEST\",\"order-id\":3,\"cus\r\ntomer-id\":456,\"payment-due\":4999,\"credit-card-no\":\"xxxx-yyyy-dddd-aaaa\"} | #Mon Aug 16 07:12:42 GMT 2021                                         |\r\n|                                      |                 |                                      |         |                            |\r\n                                                                                                  | uber-trace-id=76d506f0a064b52d\\:ecbf39660c99535e\\:a4e5fb89cc4291a6\\:1 |\r\n+--------------------------------------+-----------------+--------------------------------------+---------+----------------------------+------------------------------------\r\n--------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------+\r\nSELECT 6\r\nTime: 0.018s\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u521a\u624dKafka\u4e2d\u4ea7\u751f\u7684\u6d88\u606f\u5185\u5bb9\u5df2\u7ecf\u88ab\u8bb0\u5f55\u4e3a\u8d1f\u8f7d\u3002<br \/>\n\u8fdb\u4e00\u6b65\u67e5\u770b\u5176\u4ed6\u5217\u7684\u4fe1\u606f\u53ef\u4ee5\u53d1\u73b0\uff0c\u6709\u4e24\u4e2a\u8bb0\u5f55\u51e0\u4e4e\u540c\u65f6\u88ab\u63d2\u5165\uff0c\u5e76\u4e14aggregateType\u5206\u522b\u4e3a&#8221;credit-approval&#8221;\u548c&#8221;payment&#8221;\u3002<br \/>\n\u901a\u8fc7\u8fd9\u4e9b\u6570\u636e\uff0c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u6d88\u606f\u88ab\u4ea7\u751f\u5e76\u5206\u522b\u5b58\u5165\u4e86credit-approval.request\u548cpayment.request\u8fd9\u4e24\u4e2a\u4e3b\u9898\u3002<\/p>\n<h4>(2) \u7a0b\u5e8f\u7684\u5185\u90e8\u8fd0\u4f5c<\/h4>\n<p>\u6839\u636eJava\u7a0b\u5e8f\u4e2d\u7684\u4ee5\u4e0b\u6ce8\u91ca\u4fe1\u606f\uff0c\u53ef\u4ee5\u8ffd\u8e2a\u5230\u786e\u8ba4\u6709\u4e24\u79cd\u8bb0\u5f55\u662f\u5982\u4f55\u5728order-service\/src\/main\/java\/io\/debezium\/examples\/saga\/order\/saga\/OrderPlacementSaga.java\u4e2d\u8fdb\u884cINSERT\u64cd\u4f5c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Saga<\/span><span class=\"o\">(<\/span><span class=\"n\">type<\/span><span class=\"o\">=<\/span><span class=\"s\">\"order-placement\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">stepIds<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"no\">CREDIT_APPROVAL<\/span><span class=\"o\">,<\/span> <span class=\"no\">PAYMENT<\/span><span class=\"o\">})<\/span>\r\n<\/code><\/pre>\n<p>\u5728`order-service\/src\/main\/java\/io\/debezium\/examples\/saga\/framework\/SagaBase.java`\u4e2d\uff0c\u6839\u636e\u6ce8\u89e3\u4e2d\u6307\u5b9a\u7684&#8221;stepIds&#8221;\uff0c\u6309\u987a\u5e8f\u6267\u884c\u6bcf\u4e2a\u6b65\u9aa4\u7684\u5904\u7406\u3002\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\uff0c\u53ef\u4ee5\u6309\u987a\u5e8f\u6267\u884c\u6b63\u5e38\u5904\u7406\u4ee5\u53ca\u53d1\u751f\u5f02\u5e38\u65f6\u7684\u8865\u507f\u4e8b\u52a1\u7684\u6267\u884c\u3002<br \/>\n\u4ece\u6587\u4ef6\u5939\u7684\u7ed3\u6784\u6765\u770b\uff0c\u8fd9\u4e2aframework\u6587\u4ef6\u5939\u4e0b\u7684\u5904\u7406\u4f3c\u4e4e\u662f\u72ec\u7acb\u4e8e\u4e1a\u52a1\u903b\u8f91\u7684\u5b9e\u73b0\u3002\u901a\u8fc7\u5728\u6267\u884cCUD\u64cd\u4f5c\u7684\u540c\u65f6\u4f7f\u7528\u8fd9\u4e9b\u7c7b\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5728\u4e0e\u4e1a\u52a1\u6570\u636e\u76f8\u540c\u7684\u4e8b\u52a1\u4e2d\u6267\u884c\u5bf9outboxevent\u8868\u7684INSERT\u64cd\u4f5c\u7684\u89c4\u8303\u3002<\/p>\n<p>\u5982\u679c\u8003\u8651\u4f7f\u7528\u8fd9\u4e2a\u5e93\u5728\u670d\u52a1\u4e4b\u95f4\u53d1\u9001\u8bf7\u6c42\u548c\u54cd\u5e94\uff0c\u6309\u7167\u6846\u67b6\u4e0b\u7684\u6587\u4ef6\u5939\u4e2d\u7684\u5904\u7406\u5185\u5bb9\u6765\u6267\u884c\uff0c\u6211\u8ba4\u4e3a\u53ef\u4ee5\u51cf\u5c11\u5b9e\u65bdSaga\u67b6\u6784\u6240\u9700\u7684\u5de5\u4f5c\u91cf\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u4e0d\u7edf\u4e00\u6574\u4e2a\u670d\u52a1\u4f7f\u7528\u8fd9\u4e2a\u5e93\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u5bf9\u65e0\u6cd5\u7edf\u4e00\u7684\u5b9e\u73b0\u90e8\u5206\u8fdb\u884c\u4e0e\u8be5\u5e93\u517c\u5bb9\u7684\u5b9e\u65bd\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u8fd9\u4e2a\u5e93\u65f6\u9700\u8981\u5728\u4e1a\u52a1\u903b\u8f91\u4e2d\u5b9e\u73b0\u5e93\u7684\u4f7f\u7528\uff0c\u8fd9\u4f1a\u589e\u52a0\u5b66\u4e60\u6210\u672c\u548c\u7ef4\u62a4\u6210\u672c\u4ee5\u9002\u5e94\u5e93\u7684\u89c4\u8303\u53d8\u66f4\u3002<\/p>\n<h4>(3) \u76d1\u63a7\u884c\u4e3a\u7684\u8ffd\u8e2a\u673a\u5236<\/h4>\n<p>\u5728\u8fd9\u4e2a\u6837\u672c\u4e2d\uff0c\u6211\u4eec\u96c6\u6210\u4e86\u4e00\u4e2a\u540d\u4e3a Jaeger \u7684\u5f00\u6e90\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u7528\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u8ffd\u8e2a\u3002\u901a\u8fc7\u5b83\uff0c\u6211\u4eec\u53ef\u4ee5\u8ffd\u8e2a\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u4e8b\u52a1\u8fdb\u5ea6\u3002<br \/>\n\u4f7f\u7528 Jaeger \u67e5\u770b\u8ffd\u8e2a\u5185\u5bb9\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u8ba4\u5728 Order \u670d\u52a1\u63a5\u6536\u8ba2\u5355\u540e\uff0cCustomer \u670d\u52a1\u548c Payment \u670d\u52a1\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff0c\u6700\u7ec8\u5728\u4e24\u8005\u90fd\u6210\u529f\u540e\uff0cOrder \u670d\u52a1\u7684\u8ba2\u5355\u72b6\u6001\u624d\u4f1a\u53d8\u4e3a\u5b8c\u6210\u72b6\u6001\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u6574\u4e2a\u8fc7\u7a0b\u89c6\u4e3a\u4e00\u4e2a\u5e8f\u5217\u5e76\u8fdb\u884c\u786e\u8ba4\u3002<br \/>\n\u7531\u4e8e\u4e2d\u9014\u8bb0\u5f55\u4e86 Kafka Connector \u7684\u5904\u7406\u8fc7\u7a0b\uff0c\u56e0\u6b64\u5373\u4f7f\u7ec4\u4ef6\u589e\u52a0\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u8f7b\u677e\u5730\u8c03\u67e5\u6545\u969c\u53d1\u751f\u7684\u4f4d\u7f6e\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7b09913a08637a697ed2\/58-0.png\" alt=\"image.png\" \/><\/div>\n<h3>6. \u603b\u7ed3\u548c\u5c06\u6765\u7684\u9a8c\u8bc1<\/h3>\n<p>\u8fd9\u6b21\u6f14\u793a\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u4f7f\u7528Kafka\u6784\u5efa\u5fae\u670d\u52a1\u7684Saga\u6a21\u5f0f\u7684\u7cfb\u7edf\uff0c\u5e76\u4ecb\u7ecd\u4e86\u5176\u64cd\u4f5c\u9a8c\u8bc1\u7ed3\u679c\u3002<\/p>\n<p>\u82e5\u8981\u5728Saga\u6a21\u5f0f\u4e2d\u59cb\u7ec8\u6267\u884c\u6570\u636e\u6e90\u66f4\u65b0\u548c\u901a\u77e5\u5176\u4ed6\u670d\u52a1\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7Transactional Outbox\u6a21\u5f0f\u6765\u89e3\u51b3\uff0c\u5176\u4e2d\u4e00\u79cd\u5b9e\u73b0\u65b9\u6cd5\u662f\u4f7f\u7528RDB+Debezium+Kafka\u7684\u7ec4\u5408\u3002<\/p>\n<p>\u6211\u8bd5\u7740\u4f7f\u7528debezium-quarkus-outbox\u5e93\u6784\u5efa\u4e86\u4e00\u4e2a\u7cfb\u7edf\u4f5c\u4e3a\u5b9e\u73b0\u7684\u793a\u4f8b\uff0c\u5e76\u786e\u8ba4\u4e86Saga\u6a21\u5f0f\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u53d1\u73b0\u5c3d\u7ba1Java\u4ee3\u7801\u4e2d\u9700\u8981\u4e3a\u8be5\u5e93\u8fdb\u884c\u5b9e\u73b0\uff0c\u4f46\u7531\u4e8e\u8bbe\u7f6e\u6587\u4ef6\u7684\u5b58\u5728\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7684\u8303\u56f4\u5f88\u5e7f\uff0c\u5e76\u4e14\u6709\u53ef\u80fd\u51cf\u5c11\u5de5\u4f5c\u91cf\u3002<\/p>\n<p>\u5728\u4f7f\u7528\u8fd9\u4e2a\u5e93\u7684\u540c\u65f6\uff0c\u6211\u89c9\u5f97\u5728\u901a\u4fe1\u7684\u670d\u52a1\u4e4b\u95f4\u9700\u8981\u8fdb\u884c\u7edf\u4e00\u6216\u81f3\u5c11\u662f\u517c\u5bb9\u7684\u5b9e\u73b0\u3002\u6211\u5e0c\u671b\u80fd\u591f\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u8fdb\u4e00\u6b65\u7814\u7a76\u670d\u52a1\u6062\u590d\u64cd\u4f5c\u548c\u5f02\u5e38\u5904\u7406\u65f6\u7684\u884c\u4e3a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u662f\u65e5\u7acb\u5236\u4f5c\u682a\u5f0f\u4f1a\u793e\u7814\u53d1\u96c6\u56e2\u670d\u52a1\u8ba1\u7b97\u7814\u7a76\u90e8\u7684\u6817\u539f\u3002 \u6211\u6700\u8fd1\u7528Kafka\u6784\u5efa\u4e86\u4e00\u4e2aSaga\u6a21\u5f0f\u7684\u6f14\u793a\uff08Postg [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46800","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>\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f - 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\/\u9a8c\u8bc1\u4f7f\u7528kafka\u7684\u5fae\u670d\u52a1saga\u6a21\u5f0f\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f\" \/>\n<meta property=\"og:description\" content=\"\u6211\u662f\u65e5\u7acb\u5236\u4f5c\u682a\u5f0f\u4f1a\u793e\u7814\u53d1\u96c6\u56e2\u670d\u52a1\u8ba1\u7b97\u7814\u7a76\u90e8\u7684\u6817\u539f\u3002 \u6211\u6700\u8fd1\u7528Kafka\u6784\u5efa\u4e86\u4e00\u4e2aSaga\u6a21\u5f0f\u7684\u6f14\u793a\uff08Postg [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u9a8c\u8bc1\u4f7f\u7528kafka\u7684\u5fae\u670d\u52a1saga\u6a21\u5f0f\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-25T02:45:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T09:51:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7b09913a08637a697ed2\/15-0.png\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \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\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/\",\"name\":\"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2024-01-25T02:45:58+00:00\",\"dateModified\":\"2024-05-04T09:51:24+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f\"}]},{\"@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\/513018e4e121d3add1b7c5de8be21458\",\"name\":\"\u5b87, \u534e\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"caption\":\"\u5b87, \u534e\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f - 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\/\u9a8c\u8bc1\u4f7f\u7528kafka\u7684\u5fae\u670d\u52a1saga\u6a21\u5f0f\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f","og_description":"\u6211\u662f\u65e5\u7acb\u5236\u4f5c\u682a\u5f0f\u4f1a\u793e\u7814\u53d1\u96c6\u56e2\u670d\u52a1\u8ba1\u7b97\u7814\u7a76\u90e8\u7684\u6817\u539f\u3002 \u6211\u6700\u8fd1\u7528Kafka\u6784\u5efa\u4e86\u4e00\u4e2aSaga\u6a21\u5f0f\u7684\u6f14\u793a\uff08Postg [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u9a8c\u8bc1\u4f7f\u7528kafka\u7684\u5fae\u670d\u52a1saga\u6a21\u5f0f\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-01-25T02:45:58+00:00","article_modified_time":"2024-05-04T09:51:24+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7b09913a08637a697ed2\/15-0.png"}],"author":"\u5b87, \u534e","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u5b87, \u534e","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/","name":"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2024-01-25T02:45:58+00:00","dateModified":"2024-05-04T09:51:24+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u9a8c\u8bc1\u4f7f\u7528Kafka\u7684\u5fae\u670d\u52a1Saga\u6a21\u5f0f"}]},{"@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\/513018e4e121d3add1b7c5de8be21458","name":"\u5b87, \u534e","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","caption":"\u5b87, \u534e"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%aa%8c%e8%af%81%e4%bd%bf%e7%94%a8kafka%e7%9a%84%e5%be%ae%e6%9c%8d%e5%8a%a1saga%e6%a8%a1%e5%bc%8f%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/46800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=46800"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/46800\/revisions"}],"predecessor-version":[{"id":99795,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/46800\/revisions\/99795"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=46800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=46800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=46800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}