{"id":36405,"date":"2023-07-30T13:18:47","date_gmt":"2023-09-09T08:34:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8apache-pulsar%e4%b8%ad%e4%bb%8b%e7%bb%8d%e4%ba%86%e5%a4%8d%e5%88%b6%e8%ae%a2%e9%98%85%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/"},"modified":"2024-04-30T16:06:18","modified_gmt":"2024-04-30T08:06:18","slug":"%e5%9c%a8apache-pulsar%e4%b8%ad%e4%bb%8b%e7%bb%8d%e4%ba%86%e5%a4%8d%e5%88%b6%e8%ae%a2%e9%98%85%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8apache-pulsar%e4%b8%ad%e4%bb%8b%e7%bb%8d%e4%ba%86%e5%a4%8d%e5%88%b6%e8%ae%a2%e9%98%85%e7%9a%84%e5%8a%9f%e8%83%bd%e3%80%82\/","title":{"rendered":"\u5728Apache Pulsar\u4e2d\u4ecb\u7ecd\u4e86\u590d\u5236\u8ba2\u9605\u7684\u529f\u80fd"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u5728Apache Pulsar\u4e2d\uff0c\u5f53Consumer\u5f00\u59cb\u8ba2\u9605\u4e3b\u9898\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u79f0\u4e3a\u8ba2\u9605\uff08Subscription\uff09\u7684\u6807\u8bc6\u7b26\u3002\u7531Producer\u53d1\u9001\u5230\u4e3b\u9898\u7684\u6d88\u606f\u5c06\u5206\u522b\u9010\u4e2a\u4f20\u9012\u7ed9\u6bcf\u4e2a\u8ba2\u9605\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679c\u6240\u6709Consumer\u90fd\u4f7f\u7528\u4e0d\u540c\u7684\u8ba2\u9605\u8ba2\u9605\u4e3b\u9898\uff0c\u90a3\u4e48\u6d88\u606f\u5c06\u88ab\u5e7f\u64ad\u51fa\u53bb\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u6240\u6709Consumer\u90fd\u5c5e\u4e8e\u76f8\u540c\u7684\u8ba2\u9605\uff0c\u90a3\u4e48\u6d88\u606f\u5c06\u53ea\u88ab\u5206\u53d1\u7ed9\u5176\u4e2d\u4e00\u4e2a\uff0c\u4ece\u800c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u5197\u4f59\u3002\u53ef\u4ee5\u8bf4\uff0cPulsar\u7684\u8ba2\u9605\u7c7b\u4f3c\u4e8eKafka\u4e2d\u7684Consumer Group\u3002<\/p>\n<p>\u4ece\u8fd9\u91cc\u5f00\u59cb\uff0cPulsar 2.4.0\u7248\u672c\u5f00\u59cb\u53ef\u4ee5\u521b\u5efa\u7279\u6b8a\u7684\u8ba2\u9605\uff0c\u79f0\u4e3a\u590d\u5236\u8ba2\u9605\u3002\u8fd9\u6b21\u6211\u60f3\u4ece\u590d\u5236\u8ba2\u9605\u7684\u529f\u80fd\u6982\u8ff0\u5230\u67b6\u6784\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<p>\u5728\u4e0b\u8ff0\u5185\u5bb9\u4e2d\uff0c\u6240\u6d89\u53ca\u7684\u662f\u57fa\u4e8ePulsar 2.8.0\u6700\u65b0\u7248\u672c\u7684\u5b9e\u65bd\uff0c\u4f46\u672a\u6765\u7248\u672c\u53ef\u80fd\u4e0d\u9002\u7528\u3002\u53e6\u5916\uff0c\u672c\u6587\u672a\u5305\u542b\u6709\u5173Pulsar\u672c\u8eab\u7684\u8be6\u7ec6\u8bf4\u660e\uff0c\u8bf7\u6709\u5174\u8da3\u7684\u4eba\u53c2\u8003\u5b98\u65b9\u7f51\u7ad9\u6216\u4ee5\u5f80\u7684\u6587\u7ae0\u3002<\/p>\n<h2>\u590d\u5236\u6280\u672f\u662f\u6307<\/h2>\n<p>\u5728\u89e3\u91ca\u590d\u5236\u8ba2\u9605\u529f\u80fd\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4ecb\u7ecd\u4e00\u4e0b\u79f0\u4e3a\u5730\u7406\u590d\u5236\u7684\u529f\u80fd\u3002<\/p>\n<p>Pulsar\u5b9e\u4f8b\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u96c6\u7fa4\u7ec4\u6210\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u5730\u7406\u4f4d\u7f6e\u5206\u6563\u7684\u6570\u636e\u4e2d\u5fc3\u90fd\u5bf9\u5e94\u4e00\u4e2a\u96c6\u7fa4\u3002\u4f8b\u5982\uff0c\u5728\u4e1c\u65e5\u672c\u7684\u6570\u636e\u4e2d\u5fc3\u5efa\u7acb\u4e00\u4e2a\u540d\u4e3a&#8221;jp-east&#8221;\u7684\u96c6\u7fa4\uff0c\u5728\u897f\u65e5\u672c\u7684\u6570\u636e\u4e2d\u5fc3\u5efa\u7acb\u4e00\u4e2a\u540d\u4e3a&#8221;jp-west&#8221;\u7684\u96c6\u7fa4\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n<p>\u5728Pulsar\u4e2d\uff0c\u8bdd\u9898\u9700\u8981\u5c5e\u4e8e\u67d0\u4e2a\u547d\u540d\u7a7a\u95f4\u3002\u5728\u521b\u5efa\u8fd9\u4e2a\u547d\u540d\u7a7a\u95f4\u65f6\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u96c6\u7fa4\u4e0e\u5176\u5173\u8054\u8d77\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u300ctenant1\/ns1\u300d\u306b\u30af\u30e9\u30b9\u30bf\u30fc\u300cjp-east\u300d\u3068\u300cjp-west\u300d\u3092\u7d10\u3065\u3051\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>bin\/pulsar-admin namespaces create <span class=\"nt\">--clusters<\/span> jp-east,jp-west tenant1\/ns1\r\n<\/code><\/pre>\n<p>\u4e0e\u547d\u540d\u7a7a\u95f4\u76f8\u5173\u8054\u7684\u7fa4\u96c6\u53ef\u4ee5\u5728\u540e\u671f\u8fdb\u884c\u66f4\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u300ctenant1\/ns1\u300d\u306b\u7d10\u3065\u304f\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u300cjp-east\u300d\u306e\u307f\u306b\u5909\u66f4\u3059\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>bin\/pulsar-admin namespaces set-clusters <span class=\"nt\">--clusters<\/span> jp-east tenant1\/ns1\r\n<\/code><\/pre>\n<p>\u5728\u8fde\u63a5\u4e86jp-east\u548cjp-west\u7684\u547d\u540d\u7a7a\u95f4\u4e2d\uff0c\u5f53\u5728jp-east\u4e2d\u521b\u5efa\u4e00\u4e2a\u4e3b\u9898\u65f6\uff0c\u4f1a\u81ea\u52a8\u5728jp-west\u4e2d\u751f\u6210\u4e00\u4e2a\u540c\u540d\u7684\u4e3b\u9898\uff08\u53cd\u4e4b\u4ea6\u7136\uff09\u3002\u800c\u4e14\uff0c\u5728jp-east\u4e2d\u4ea7\u751f\u7684\u6d88\u606f\u4f1a\u81ea\u52a8\u88ab\u590d\u5236\u548c\u8f6c\u53d1\uff0c\u5e76\u4e14\u5728jp-west\u4e2d\u4e5f\u53ef\u4ee5\u6d88\u8d39\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684\u5730\u7406\u590d\u5236\u529f\u80fd\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d292b37434c4406c42d61\/12-0.png\" alt=\"\u30b8\u30aa\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\" \/><\/div>\n<h2>\u4f7f\u7528\u5730\u7406\u590d\u5236\u5b9e\u73b0\u6545\u969c\u8f6c\u79fb<\/h2>\n<p>\u5728\u8003\u8651\u5230\u5730\u70ed\u590d\u5236\u7684\u7528\u4f8b\u65f6\uff0c\u6570\u636e\u4e2d\u5fc3\u7ea7\u522b\u7684\u6545\u969c\u5207\u6362\u662f\u5176\u4e2d\u4e4b\u4e00\u3002<\/p>\n<p>\u5047\u8bbe\u53d1\u751f\u4e86\u5927\u89c4\u6a21\u7684\u707e\u5bb3\u7b49\u60c5\u51b5\u5bfc\u81f4\u4e1c\u65e5\u672c\u7684\u6570\u636e\u4e2d\u5fc3\u65e0\u6cd5\u4f7f\u7528\u3002\u4ece\u4e1a\u52a1\u8fde\u7eed\u8ba1\u5212\uff08BCP\uff09\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5373\u4f7f\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5c06\u5904\u7406\u8f6c\u79fb\u5230\u897f\u65e5\u672c\u7684\u6570\u636e\u4e2d\u5fc3\u5e76\u4fdd\u6301\u670d\u52a1\u6301\u7eed\u8fd0\u884c\u662f\u7406\u60f3\u7684\u3002<\/p>\n<p>\u4f7f\u7528GSLB\uff08\u5168\u5c40\u670d\u52a1\u5668\u8d1f\u8f7d\u5e73\u8861\uff09\u7b49\u6280\u672f\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5728\u53d1\u751f\u6545\u969c\u65f6\u81ea\u52a8\u5207\u6362Producer\u548cConsumer\u8fde\u63a5\u7684\u96c6\u7fa4\u3002\u95ee\u9898\u5728\u4e8ePulsar\u7684\u8ba2\u9605\u662f\u96c6\u7fa4\u95f4\u76f8\u4e92\u72ec\u7acb\u7684\u3002\u6bcf\u4e2a\u8ba2\u9605\u90fd\u6709\u4e00\u4e2a\u79f0\u4e3a&#8221;\u6e38\u6807&#8221;\u7684\u4fe1\u606f\uff0c\u5b83\u6307\u793a\u201c\u5c06\u6d88\u606f\u5206\u53d1\u81f3Consumer\u7684\u4f4d\u7f6e\u4ee5\u53ca\u5bf9\u591a\u5c11\u6d88\u606f\u8fdb\u884c\u4e86Ack\u54cd\u5e94\u201d\uff0c\u4f46\u662f\u8fd9\u4e9b\u6e38\u6807\u5728\u96c6\u7fa4\u4e4b\u95f4\u5e76\u6ca1\u6709\u540c\u6b65\u3002<\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u6d88\u8d39\u8005\u901a\u8fc7\u540d\u4e3a\u201csub\u201d\u7684\u8ba2\u9605\u6765\u8ba2\u9605jp-east\u7aef\u7684\u4e3b\u9898\u3002\u7136\u540e\uff0c\u751f\u4ea7\u8005\u901a\u8fc7m0\u5230m3\u7684\u56db\u6761\u6d88\u606f\u5411\u8be5\u4e3b\u9898\u8fdb\u884c\u751f\u4ea7\uff0c\u5e76\u4e14\u6d88\u8d39\u8005\u63a5\u6536\u5e76\u786e\u8ba4\u4e86m0\u548cm1\u3002\u5728\u8fd9\u4e2a\u65f6\u523b\uff0c\u5982\u679cjp-east\u96c6\u7fa4\u53d1\u751f\u6545\u969c\u5e76\u4e14\u8fde\u63a5\u5207\u6362\u5230jp-west\u96c6\u7fa4\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u751f\u4ea7\u8005\u7aef\u6ca1\u6709\u7279\u522b\u7684\u95ee\u9898\uff0c\u4e00\u65e6\u4e0ejp-west\u96c6\u7fa4\u8fde\u63a5\u5b8c\u6210\uff0c\u5c06\u7ee7\u7eed\u751f\u4ea7\u6d88\u606fm4\u548cm5\u3002\u800c\u5728\u6d88\u8d39\u8005\u7aef\uff0c\u5982\u679cjp-west\u7aef\u5c1a\u672a\u5b58\u5728\u540d\u4e3a&#8221;sub&#8221;\u7684\u8ba2\u9605\uff0c\u90a3\u4e48\u5728\u6d88\u8d39\u8005\u8fde\u63a5\u65f6\u4f1a\u88ab\u521b\u5efa\u3002\u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4ecem0\u5230m3\u4e4b\u524d\u5df2\u7ecf\u751f\u4ea7\u7684\u6d88\u606f\u5c06\u4e0d\u4f1a\u5728jp-west\u7aef\u8fdb\u884c\u5206\u53d1\u3002\u56e0\u6b64\uff0c\u6d88\u8d39\u8005\u5c06\u65e0\u6cd5\u63a5\u6536\u5230m2\u548cm3\uff0c\u5e76\u4e14\u4f1a\u5148\u63a5\u6536\u5230m4\u548cm5\u7684\u6d88\u606f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d292b37434c4406c42d61\/19-0.png\" alt=\"\u30b8\u30aa\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u305f\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc1\" \/><\/div>\n<p>\u5982\u679c\u5728\u4e8b\u6545\u53d1\u751f\u4e4b\u524d\uff0cjp-west\u4e5f\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a&#8221;sub&#8221;\u7684\u8ba2\u9605\uff0c\u90a3\u4e48\u60c5\u51b5\u4f1a\u5982\u4f55\u5462\uff1f\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u5728\u4e8b\u6545\u53d1\u751f\u4e4b\u524djp-west\u7aef\u6ca1\u6709\u8fde\u63a5\u6d88\u8d39\u8005\uff0c\u4ecem0\u5230m3\u7684\u6d88\u606f\u5c06\u4f1a\u5806\u79ef\u5728\u961f\u5217\u4e2d\u800c\u4e0d\u88ab\u63a5\u6536\u3002\u5728\u4e8b\u6545\u53d1\u751f\u540e\uff0c\u6d88\u8d39\u8005\u5c06\u63a5\u6536\u5230\u4ecem0\u5230m3\u7684\u6d88\u606f\uff0c\u7136\u540e\u63a5\u6536\u5230m4\u548cm5\u7684\u6d88\u606f\u3002\u7531\u4e8em0\u548cm1\u5728\u4e8b\u6545\u53d1\u751f\u4e4b\u524djp-east\u7aef\u5df2\u7ecf\u63a5\u6536\u8fc7\u4e86\uff0c\u56e0\u6b64\u8fd9\u4e9b\u6d88\u606f\u4f1a\u53d1\u751f\u91cd\u590d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d292b37434c4406c42d61\/21-0.png\" alt=\"\u30b8\u30aa\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u305f\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc2\" \/><\/div>\n<h2>\u590d\u5236\u8ba2\u9605\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h2>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8bf8\u5982\u8fd9\u4e9b\u6d88\u606f\u7684\u7f3a\u5931\u548c\u91cd\u590d\u7b49\u95ee\u9898\u800c\u5b9e\u65bd\u7684\u529f\u80fd\u662f\u590d\u5236\u8ba2\u9605\u3002<\/p>\n<p>Consumer\u53ef\u4ee5\u9009\u62e9\u542f\u7528\u590d\u5236\u8ba2\u9605\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f7f\u7528Java\u5ba2\u6237\u7aef\u5e93\uff0c\u53ef\u4ee5\u6309\u4ee5\u4e0b\u65b9\u5f0f\u542f\u7528\u590d\u5236\u8ba2\u9605\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Consumer<\/span><span class=\"o\">&lt;<\/span><span class=\"kt\">byte<\/span><span class=\"o\">[]&gt;<\/span> <span class=\"n\">consumer<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pulsarClient<\/span><span class=\"o\">.<\/span><span class=\"na\">newConsumer<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">topic<\/span><span class=\"o\">(<\/span><span class=\"s\">\"persistent:\/\/public\/default\/test\"<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">subscriptionName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sub\"<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">replicateSubscriptionState<\/span><span class=\"o\">(<\/span><span class=\"kc\">true<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u30ec\u30d7\u30ea\u30b1\u30fc\u30c6\u30c3\u30c9\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6709\u52b9\u5316\u3059\u308b\u305f\u3081\u306e\u6307\u5b9a<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">subscribe<\/span><span class=\"o\">();<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8fd9\u6837\u7684Consumer\u8fde\u63a5\u5230jp-east\u7aef\u53e3\uff0c\u90a3\u4e48jp-west\u7aef\u53e3\u4e5f\u4f1a\u81ea\u52a8\u521b\u5efa\u76f8\u540c\u540d\u79f0\u7684\u8ba2\u9605\u3002\u5728jp-east\u7aef\u53e3\u4e0a\u88abConsumer\u63a5\u6536\u548c\u786e\u8ba4\u7684\u6d88\u606f\u4e5f\u88ab\u89c6\u4e3a\u5728jp-west\u7aef\u53e3\u4e0a\u63a5\u6536\u548c\u786e\u8ba4\uff0c\u5e76\u4ece\u961f\u5217\u4e2d\u5220\u9664\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u5728jp-east\u7aef\u53e3\u53d1\u751f\u6545\u969c\u5e76\u4e14Consumer\u91cd\u65b0\u8fde\u63a5\u5230jp-west\u7aef\u53e3\uff0c\u4e5f\u53ef\u4ee5\u4ece\uff08\u51e0\u4e4e\uff09\u76f8\u540c\u7684\u4f4d\u7f6e\u6062\u590d\u63a5\u6536\u6d88\u606f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d292b37434c4406c42d61\/27-0.png\" alt=\"\u30ec\u30d7\u30ea\u30b1\u30fc\u30c6\u30c3\u30c9\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\" \/><\/div>\n<h2>\u5efa\u7b51\u8bbe\u8ba1<\/h2>\n<p>\u5c3d\u7ba1\u590d\u5236\u7684\u8ba2\u9605\u5728\u8868\u9762\u4e0a\u770b\u8d77\u6765\u5f88\u7b80\u5355\uff0c\u4f46\u5176\u67b6\u6784\u5b9e\u9645\u4e0a\u76f8\u5f53\u590d\u6742\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u6765\u770b\u770b\u590d\u5236\u7684\u8ba2\u9605\u529f\u80fd\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff0c\u4ee5\u53ca\u5176\u539f\u7406\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u5728\u591a\u4e2a\u96c6\u7fa4\u4e4b\u95f4\u540c\u6b65\u5149\u6807\uff0c\u7b80\u5355\u5730\u60f3\u7684\u8bdd\uff0c\u53ef\u4ee5\u5c06\u5149\u6807\u4fe1\u606f\u5199\u5165\u53ef\u8bfb\u5199\u7684\u5b58\u50a8\u4e2d\uff0c\u5e76\u5728\u4e24\u4e2a\u96c6\u7fa4\u4e4b\u95f4\u5171\u4eab\u3002\u4f46\u662f\uff0c\u5b9e\u73b0\u8fd9\u4e00\u70b9\u662f\u4e0d\u73b0\u5b9e\u7684\u3002<\/p>\n<p>\u9996\u5148\uff0cPulsar\u80fd\u591f\u5c55\u73b0\u51fa\u5353\u8d8a\u7684\u6027\u80fd\uff0c\u5e76\u4e14\u53ef\u4ece\u6240\u6709\u96c6\u7fa4\u4e2d\u83b7\u53d6\u53ef\u7528\u7684\u5b58\u50a8\u3002\u914d\u7f6e\u5b58\u50a8\uff08\u5168\u5c40ZooKeeper\uff09\u53ef\u4ee5\u4ece\u6240\u6709\u96c6\u7fa4\u4e2d\u8fdb\u884c\u8bfb\u5199\uff0c\u4f46\u4ec5\u7528\u4e8e\u5143\u6570\u636e\u7ba1\u7406\uff0c\u6027\u80fd\u4e0d\u7b97\u592a\u9ad8\u3002BookKeeper\u5728\u987a\u5e8f\u5199\u5165\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u53ea\u80fd\u5904\u7406\u5355\u4e2a\u5c01\u95ed\u7684\u96c6\u7fa4\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u6e38\u6807\u4fdd\u5b58\u7740\u5df2\u88ab\u6d88\u8d39\u8005\u5e94\u7b54\u7684\u6700\u65b0\u6d88\u606f\u7684ID\uff0c\u4f46\u6d88\u606fID\u5728\u6bcf\u4e2a\u96c6\u7fa4\u4e2d\u662f\u5b8c\u5168\u72ec\u7acb\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cjp-east\u7aef\u7684\u6d88\u606f\u548c\u5b83\u88ab\u5730\u7406\u590d\u5236\u5230jp-west\u7aef\u7684\u6d88\u606f\u7684ID\u662f\u4e0d\u5339\u914d\u7684\u3002\u56e0\u6b64\uff0c\u5373\u4f7f\u5c06\u6307\u5411\u96c6\u7fa4\u5171\u4eab\u5b58\u50a8\u4e2d\u67d0\u4e2a\u96c6\u7fa4\u6e38\u6807\u6240\u6307\u4f4d\u7f6e\u7684\u5199\u5165\uff0c\u5176\u4ed6\u96c6\u7fa4\u4e5f\u65e0\u6cd5\u786e\u5b9a\u81ea\u5df1\u7684\u6e38\u6807\u5e94\u8be5\u79fb\u52a8\u5230\u54ea\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u63d0\u51fa\u7684\u65b9\u6cd5\u662f\u5f15\u5165\u4e00\u79cd\u88ab\u79f0\u4e3a&#8221;\u6807\u8bb0&#8221;\u7684\u7279\u6b8a\u6d88\u606f\uff0c\u901a\u8fc7\u5728\u5e38\u89c4\u4e3b\u9898\u6d88\u606f\u4e2d\u63d2\u64ad\u5b83\u6765\u4f20\u8fbe\u6d88\u606f\u3002\u6807\u8bb0\u6d88\u606f\u4e0d\u4f1a\u88ab\u4f20\u9012\u7ed9\u6d88\u8d39\u8005\uff0c\u800c\u662f\u7528\u4e8e\u5728\u4ee3\u7406\u670d\u52a1\u5668\u5185\u90e8\u540c\u6b65\u6e38\u6807\u4f4d\u7f6e\u3002<\/p>\n<p>\u5728\u590d\u5236\u7684\u8ba2\u9605\u4e2d\u4f7f\u7528\u7684\u4e3b\u8981\u6807\u8bb0\u6d88\u606f\u662f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ReplicatedSubscriptionsSnapshotRequest<\/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\">ReplicatedSubscriptionsSnapshotResponse<\/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\">ReplicatedSubscriptionsSnapshot<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">ReplicatedSubscriptionsUpdate<\/ul>\n<p>\u4ee5\u4e0b\u662f\u56db\u4e2a\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u5206\u522b\u770b\u4e00\u4e0b\u6bcf\u4e2a\u6807\u8bb0\u7684\u4f5c\u7528\u3002<\/p>\n<h3>\u590d\u5236\u8ba2\u9605\u5feb\u7167\u8bf7\u6c42<\/h3>\n<p>ReplicatedSubscriptionsSnapshotRequest \u662f\u7528\u4e8e\u83b7\u53d6\u4e00\u4e2a\u7fa4\u96c6\u5728\u53e6\u4e00\u4e2a\u7fa4\u96c6\u4e2d\u7684\u6700\u65b0\u6d88\u606f\uff08\u65e0\u8bba\u662f\u5426\u5df2\u7ecf\u786e\u8ba4\uff09\u7684 ID \u7684\u6d88\u606f\u3002\u8fd9\u4e2a\u6807\u8bb0\u6d88\u606f\u4f1a\u5728\u6bcf\u4e2a\u7fa4\u96c6\u7684\u4e3b\u9898\u4e2d\u4ee5\u56fa\u5b9a\u95f4\u9694\uff08\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u6bcf\u79d2\u4e00\u6b21\uff09\u81ea\u52a8\u751f\u6210\u5e76\u53d1\u9001\u7ed9\u9664\u81ea\u5df1\u4ee5\u5916\u7684\u7fa4\u96c6\u3002<\/p>\n<p>\u5c06ReplicatedSubscriptionsSnapshotRequest\u7684\u7ed3\u6784\u7528JSON\u8868\u793a\u5982\u4e0b\uff08\u5b9e\u9645\u4e0a\u4e0d\u662fJSON\uff0c\u800c\u662f\u88abProtocol Buffers\u5e8f\u5217\u5316\u4e3a\u4e8c\u8fdb\u5236\u6570\u636e\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">snapshot_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">3fb212fc-784e-44ce-bb1e-117af24efa5e<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8ID\u3068\u547c\u3070\u308c\u308bUUID\u6587\u5b57\u5217<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">source_cluster<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">jp-east<\/span><span class=\"dl\">\"<\/span> <span class=\"c1\">\/\/ \u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u540d<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u590d\u5236\u8ba2\u9605\u5feb\u7167\u54cd\u5e94<\/h3>\n<p>\u5f53\u96c6\u7fa4\u6536\u5230ReplicatedSubscriptionsSnapshotRequest\u65f6\uff0c\u5176\u5c06\u4ee5ReplicatedSubscriptionsSnapshotResponse\u6d88\u606f\u4f5c\u4e3a\u56de\u590d\uff0c\u5411\u53d1\u9001\u8bf7\u6c42\u7684\u96c6\u7fa4\u53d1\u9001\u672c\u5730\u96c6\u7fa4\u4e3b\u9898\u4e2d\u6700\u65b0\u7684\u6d88\u606fID\u3002\u5176\u7ed3\u6784\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">snapshot_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">3fb212fc-784e-44ce-bb1e-117af24efa5e<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8ID<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">cluster<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">cluster<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">jp-west<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u540d<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">message_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/ \u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u6700\u65b0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8ID<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">ledger_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">200<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">entry_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">67890<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u590d\u5236\u7684\u8ba2\u9605\u5feb\u7167<\/h3>\n<p>\u5728\u53d1\u9001\u6e90\u96c6\u7fa4\u4e2d\u63a5\u6536\u5230\u6765\u81ea\u5176\u4ed6\u96c6\u7fa4\u7684ReplicatedSubscriptionsSnapshotResponse\u7684ReplicatedSubscriptionsSnapshotRequest\uff0c\u4f1a\u5bf9\u672c\u5730\u4e3b\u9898\u4ea7\u751fReplicatedSubscriptionsSnapshot\u6d88\u606f\u3002\u8be5\u6d88\u606f\u5305\u542b\u4e0e\u6d41\u5411\u672c\u5730\u4e3b\u9898\u7684ReplicatedSubscriptionsSnapshotResponse\u6d88\u606f\u5bf9\u5e94\u7684\u6d88\u606fID\uff0c\u4ee5\u53caReplicatedSubscriptionsSnapshotResponse\u4e2d\u5305\u542b\u7684\u8fdc\u7a0b\u96c6\u7fa4\u4e3b\u9898\u4e2d\u6700\u65b0\u7684\u6d88\u606fID\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">snapshot_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">3fb212fc-784e-44ce-bb1e-117af24efa5e<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8ID<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">local_message_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/ \u30ed\u30fc\u30ab\u30eb\u306eReplicatedSubscriptionsSnapshotResponse\u306e\u30e1\u30c3\u30bb\u30fc\u30b8ID<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">ledger_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">100<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">entry_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">12345<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">clusters<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">cluster<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">jp-west<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ ReplicatedSubscriptionsSnapshotResponse\u306e\u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u540d<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">message_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/ ReplicatedSubscriptionsSnapshotResponse\u306e\u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u6700\u65b0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8ID<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">ledger_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">200<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">entry_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">67890<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728Broker\u5185\u90e8\uff0c\u6709\u4e00\u4e2a\u88ab\u79f0\u4e3a\u8c03\u5ea6\u5668\u7684\u7ec4\u4ef6\u8d1f\u8d23\u5411Consumer\u5206\u53d1\u6d88\u606f\u3002\u5f53ReplicatedSubscriptionsSnapshot\u6d88\u606f\u5230\u8fbe\u65f6\uff0c\u5b83\u4f1a\u5c06\u5176\u7f13\u5b58\u5230\u5185\u5b58\u4e2d\u4e00\u5b9a\u6570\u91cf\u7684\u526f\u672c\uff08\u9ed8\u8ba4\u8bbe\u7f6e\u662f\u6700\u8fd1\u768410\u4e2a\uff09\u3002<\/p>\n<h3>\u590d\u5236\u8ba2\u9605\u66f4\u65b0<\/h3>\n<p>\u7136\u540e\uff0c\u5f53\u4eceConsumer\u6536\u5230Ack\u54cd\u5e94\u540e\uff0c\u751f\u6210ReplicatedSubscriptionsUpdate\u6d88\u606f\u7684\u65f6\u673a\u662f\u6e38\u6807\u79fb\u52a8\u7684\u65f6\u5019\u3002\u5728\u7f13\u5b58\u7684ReplicatedSubscriptionsSnapshot\u6d88\u606f\u4e2d\uff0c\u5305\u542b\u6709\u201c\u672c\u5730\u6e38\u6807\u6240\u6307\u4f4d\u7f6e\u4e4b\u524d\u5177\u6709\u6700\u65b0local_message_id\u201d\u7684ReplicatedSubscriptionsUpdate\u6d88\u606f\u5c06\u53d1\u9001\u5230\u9664\u81ea\u5df1\u4ee5\u5916\u7684\u96c6\u7fa4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">subscription_name<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">sub<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u540d<\/span>\r\n  <span class=\"dl\">\"<\/span><span class=\"s2\">clusters<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">cluster<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">jp-west<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ ReplicatedSubscriptionsSnapshotResponse\u306e\u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u540d<\/span>\r\n      <span class=\"dl\">\"<\/span><span class=\"s2\">message_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/ ReplicatedSubscriptionsSnapshotResponse\u306e\u9001\u4fe1\u5143\u30af\u30e9\u30b9\u30bf\u30fc\u306e\uff08\u5f53\u6642\u306e\uff09\u6700\u65b0\u306e\u30e1\u30c3\u30bb\u30fc\u30b8ID<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">ledger_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">200<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">entry_id<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">67890<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u6536\u5230\u6b64\u4fe1\u606f\u7684\u8fdc\u7a0b\u96c6\u7fa4\u4f1a\u63d0\u53d6\u5176\u4e2d\u5305\u542b\u7684\u81ea\u8eab\u96c6\u7fa4\u7684\u6d88\u606fID\uff0c\u5e76\u5c06\u5176\u4e4b\u524d\u7684\u6240\u6709\u6d88\u606f\u90fd\u89c6\u4f5c\u5df2\u7ecf\u6536\u5230Ack\u54cd\u5e94\u7684\u6d88\u606f\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u96c6\u7fa4\u4e4b\u95f4\u7684\u5149\u6807\u4f4d\u7f6e\u5728\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u4f1a\u88ab\u540c\u6b65\u3002<\/p>\n<h2>\u5b66\u79d1<\/h2>\n<p>\u53ea\u9700\u4e00\u500b\u9078\u9805\uff0c\u8acb\u770b\u4ee5\u4e0b\u6240\u8ff0\u7684\u672c\u5730\u4e2d\u6587\u6539\u8ff0\uff1a<\/p>\n<p>\u6839\u64da\u524d\u8ff0\u67b6\u69cb\u7684\u89e3\u91cb\uff0c\u76ee\u524d\u7684\u96c6\u7fa4\u5167\u6e38\u6a19\u4f4d\u7f6e\u7684\u540c\u6b65\uff0c\u901a\u904e\u8907\u88fd\u8a02\u95b1\u7684\u65b9\u5f0f\u4e26\u4e0d\u5b8c\u7f8e\u3002ReplicatedSubscriptionsSnapshot\u53ea\u6703\u4ee5\u81f3\u5c111\u79d2\u7684\u6642\u9593\u9593\u9694\u9032\u884c\u5275\u5efa\uff0c\u800c\u4e14\u53ea\u6709\u7576\u672c\u5730\u6e38\u6a19\u79fb\u52d5\u5230ReplicatedSubscriptionsSnapshot\u5275\u5efa\u6642\u7684\u8a0a\u606fID\u6642\uff0c\u624d\u80fd\u4f7f\u5176\u4ed6\u96c6\u7fa4\u7684\u6e38\u6a19\u79fb\u52d5\u3002\u56e0\u6b64\uff0c\u7576\u4f7f\u7528\u8005\u9023\u63a5\u7684\u96c6\u7fa4\u5207\u63db\u6642\uff0c\u53ef\u80fd\u6703\u767c\u751f\u5c11\u91cf\u8a0a\u606f\u7684\u91cd\u8907\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u6807\u8bb0\u6d88\u606f\u7684\u5b58\u5728\u4f1a\u5f71\u54cd\u4e3b\u9898\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u5728Pulsar\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7REST API\u6216Prometheus\u83b7\u53d6\u4e3b\u9898\u4e0a\u6d41\u52a8\u6d88\u606f\u7684\u5e73\u5747\u5927\u5c0f\u3001\u541e\u5410\u91cf\u4ee5\u53ca\u5c1a\u672a\u56de\u590d\u7684\u6d88\u606f\u6570\u91cf\u7b49\u7edf\u8ba1\u4fe1\u606f\uff0c\u5e76\u5728\u76d1\u63a7\u7b49\u65b9\u9762\u53d1\u6325\u4f5c\u7528\u3002\u7136\u800c\uff0c\u5728\u5b58\u5728\u590d\u5236\u8ba2\u9605\u7684\u4e3b\u9898\u4e2d\uff0c\u6807\u8bb0\u6d88\u606f\u7684\u90e8\u5206\u5c06\u88ab\u6dfb\u52a0\u5230\u7edf\u8ba1\u503c\u4e2d\uff0c\u8fd9\u5bfc\u81f4\u4e86\u96be\u4ee5\u51c6\u786e\u4e86\u89e3\u5b9e\u9645\u60c5\u51b5\u7684\u7f3a\u70b9\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u590d\u5236\u8ba2\u9605\u662f\u4e00\u9879\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5c3d\u7ba1\u5728\u5e73\u65f6\u5e76\u4e0d\u663e\u773c\uff0c\u5b83\u80fd\u591f\u5728\u5927\u89c4\u6a21\u707e\u5bb3\u7b49\u60c5\u51b5\u4e0b\u5b9e\u73b0\u6570\u636e\u4e2d\u5fc3\u5355\u4f4d\u4e4b\u95f4\u7684\u65e0\u7f1d\u6545\u969c\u8f6c\u79fb\u3002\u6b64\u5916\uff0c\u8be5\u4f53\u7cfb\u7ed3\u6784\u4e5f\u662f\u76f8\u5f53\u6709\u8da3\u7684\u7279\u70b9\u4e4b\u4e00\u3002<\/p>\n<p>\u76ee\u524d\u4ecd\u5b58\u5728\u4e00\u4e9b\u672a\u89e3\u51b3\u7684\u95ee\u9898\uff0c\u4f46\u5bf9\u6b64\u6211\u4eec\u5e0c\u671b\u80fd\u5728\u4eca\u540e\u7684\u6539\u8fdb\u4e2d\u52a0\u4ee5\u89e3\u51b3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728Apache Pulsar\u4e2d\uff0c\u5f53Consumer\u5f00\u59cb\u8ba2\u9605\u4e3b\u9898\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u79f0\u4e3a\u8ba2\u9605\uff08Subscrip [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36405","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>\u5728Apache Pulsar\u4e2d\u4ecb\u7ecd\u4e86\u590d\u5236\u8ba2\u9605\u7684\u529f\u80fd - 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\" 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