{"id":1129,"date":"2020-08-30T20:51:09","date_gmt":"2020-08-30T12:51:09","guid":{"rendered":"http:\/\/www.rain1024.com\/?p=1129"},"modified":"2023-08-07T20:57:24","modified_gmt":"2023-08-07T12:57:24","slug":"%e3%80%8azookeepers-atomic-broadcast-protocol-theory-and-practice%e3%80%8b%e8%af%91%e6%96%87","status":"publish","type":"post","link":"http:\/\/rain1024.com\/index.php\/2020\/08\/30\/%e3%80%8azookeepers-atomic-broadcast-protocol-theory-and-practice%e3%80%8b%e8%af%91%e6%96%87\/","title":{"rendered":"\u300aZooKeeper\u2019s atomic broadcast protocol: Theory and practice\u300b\u8bd1\u6587"},"content":{"rendered":"<h1>ZooKeeper\u2019s atomic broadcast protocol: Theory and practice<\/h1>\n<p>Andr\u00e9 Medeiros March 20, 2012<\/p>\n<h2>Abstract<\/h2>\n<p>Apache ZooKeeper\u662f\u7528\u4e8e\u4e91\u8ba1\u7b97\u7684\u5206\u5e03\u5f0f\u534f\u8c03\u670d\u52a1\uff0c\u53ef\u4e3a\u5176\u4ed6\u5206\u5e03\u5f0f\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u57fa\u672c\u7684\u540c\u6b65\u548c\u7ec4\u670d\u52a1\u3002 \u6838\u5fc3\u662f\u539f\u5b50\u5e7f\u64ad\u534f\u8bae\uff0c\u8be5\u534f\u8bae\u9009\u4e3e\u4e00\u4e2a\u9886\u5bfc\u8005\uff0c\u540c\u6b65\u5176\u4ed6\u8282\u70b9\uff0c\u5e76\u6267\u884c\u6765\u81ea\u9886\u5bfc\u8005\u66f4\u65b0\u7684\u5e7f\u64ad\u3002 \u6211\u4eec\u7814\u7a76\u4e86\u8be5\u534f\u8bae\u7684\u8bbe\u8ba1\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\u8be5\u534f\u8bae\u6240\u627f\u8bfa\u7684\u6027\u80fd\uff0c\u5e76\u5206\u6790\u4e86\u5b83\u5728Apache\u4e2d\u7684\u6b63\u5f0f\u5b9e\u73b0\u3002 \u7279\u522b\u662f\uff0c\u8be6\u7ec6\u7814\u7a76\u4e86\u9ed8\u8ba4\u7684\u9886\u5bfc\u8005\u9009\u4e3e\u534f\u8bae\u3002<\/p>\n<h2>1 Introduction\uff08\u7b80\u4ecb\uff09<\/h2>\n<p>ZooKeeper [8\u300110\u300111\u300112\u300119]\u662f\u76ee\u524d\u7531\u96c5\u864e\u548cApache\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7ef4\u62a4\u7684\u4e91\u8ba1\u7b97\u5e94\u7528\u7a0b\u5e8f\u7684\u5206\u5e03\u5f0f\u5bb9\u9519\u534f\u8c03\u670d\u52a1\u3002 \uff0c\u5b83\u901a\u8fc7\u5c01\u88c5\u5206\u5e03\u5f0f\u534f\u8c03\u7b97\u6cd5\u5e76\u7ef4\u62a4\u7b80\u5355\u7684\u6570\u636e\u5e93\uff0c\u4e3a\u5176\u4ed6\u4e91\u8ba1\u7b97\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u57fa\u7840\u670d\u52a1\u3002<\/p>\n<p>\u8be5\u670d\u52a1\u65e8\u5728\u5177\u6709\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u56e0\u6b64\u591a\u4e2a\u5ba2\u6237\u7aef\u8fdb\u7a0b\u4f9d\u9760\u5b83\u8fdb\u884c\u5f15\u5bfc\uff0c\u5b58\u50a8\u914d\u7f6e\u6570\u636e\uff0c\u8fd0\u884c\u8fdb\u7a0b\u7684\u72b6\u6001\uff0c\u7ec4\u6210\u5458\u5173\u7cfb\uff0c\u5b9e\u73b0\u540c\u6b65\u539f\u8bed\u548c\u7ba1\u7406\u6545\u969c\u6062\u590d\u3002 \u5b83\u901a\u8fc7\u590d\u5236\u6765\u5b9e\u73b0\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\uff0c\u5e76\u88ab\u8bbe\u8ba1\u4e3a\u5728\u4ee5\u8bfb\u4e3a\u4e3b\u7684\u5de5\u4f5c\u8d1f\u8f7d\u4e2d\u5177\u6709\u826f\u597d\u7684\u6027\u80fd[12]\u3002<\/p>\n<p>ZooKeeper\u6570\u636e\u5e93\u7684\u5b8c\u5168\u590d\u5236\u662f\u5728\u4e00\u7ec4\u4e3b\u673a\u4e0a\u6267\u884c\u7684\uff0c\u5373\u7531\u8bb8\u591a\u4e3b\u673a\u670d\u52a1\u5668\u7ec4\u6210\uff0c\u5e38\u89c4\u914d\u7f6e\u4e3a\u4e09\u5230\u4e94\u53f0\uff0c\u5176\u4e2d\u4e00\u53f0\u662f\u96c6\u7fa4\u7684\u9886\u5bfc\u8005\uff08\u5373\u591a\u6570\uff09\u3002 \u53ea\u8981\u96c6\u7fa4\u4e2d\u7684\u4e3b\u673a\u6570\u76ee\u8db3\u591f\uff0c\u5c31\u53ef\u4ee5\u63d0\u4f9b\u670d\u52a1\u3002 ZooKeeper\u7684\u5173\u952e\u7ec4\u4ef6\u662fZab\uff0c\u5b83\u662fZooKeeper\u539f\u5b50\u5e7f\u64ad\u7b97\u6cd5\uff0c\u8be5\u534f\u8bae\u7ba1\u7406\u526f\u672c\u7684\u539f\u5b50\u66f4\u65b0\u3002 \u5b83\u8d1f\u8d23\u5728\u96c6\u7fa4\u4e2d\u8fbe\u6210\u5171\u8bc6\u9009\u4e3e\u51fa\u9886\u5bfc\u8005\uff0c\u540c\u6b65\u526f\u672c\uff0c\u7ba1\u7406\u8981\u5e7f\u64ad\u7684\u66f4\u65b0\u4e8b\u52a1\uff0c\u4ee5\u53ca\u4ece\u5d29\u6e83\u72b6\u6001\u6062\u590d\u5230\u6709\u6548\u72b6\u6001\u3002 \u6211\u4eec\u5728\u672c\u62a5\u544a\u4e2d\u5bf9Zab\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u7814\u7a76\u3002<\/p>\n<p>\u672c\u62a5\u544a\u7684\u6982\u8981\u5982\u4e0b\u3002 \u4e0b\u4e00\u90e8\u5206\u5c06\u4ecb\u7ecd\u539f\u5b50\u5e7f\u64ad\u534f\u8bae\u7684\u80cc\u666f\u77e5\u8bc6\u3002 \u5728\u7b2c3\u8282\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecdZab\u7684\u8bbe\u8ba1\uff0c\u5728\u7b2c4\u8282\u4e2d\uff0c\u6211\u4eec\u5bf9\u5176\u5b9e\u73b0\u8fdb\u884c\u5206\u6790\uff0c\u6700\u540e\u4ee5\u7b2c5\u8282\u4e2d\u7ed3\u8bba\u7ed3\u675f\u3002\u672c\u62a5\u544a\u7684\u4e3b\u8981\u53c2\u8003\u6587\u732e\u4e3a[12\uff0c19]<\/p>\n<h2>2 Background\uff08\u80cc\u666f\uff09<\/h2>\n<p>\u5e7f\u64ad\u7b97\u6cd5\u5c06\u6d88\u606f\u4ece\u4e00\u4e2a\u8fdb\u7a0b\uff08\u4e3b\u8fdb\u7a0b\uff09\u4f20\u8f93\u5230\u7f51\u7edc\u6216\u5e7f\u64ad\u57df\u4e2d\u7684\u6240\u6709\u5176\u4ed6\u8fdb\u7a0b\uff08\u5305\u62ec\u4e3b\u8fdb\u7a0b\uff09 \u539f\u5b50\u5e7f\u64ad\u534f\u8bae\u662f\u5206\u5e03\u5f0f\u7b97\u6cd5\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u6b63\u786e\u7684\u5e7f\u64ad\u6d88\u606f\u6216\u6ca1\u6709\u5176\u4ed6\u5f71\u54cd\u7684\u60c5\u51b5\u4e0b\u4e2d\u6b62\u3002 \u5b83\u662f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u8ba1\u7b97\u4e2d\u7684\u4e00\u79cd\u7ec4\u901a\u4fe1\u65b9\u5f0f\u3002 \u539f\u5b50\u5e7f\u64ad\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u4e3a\u6ee1\u8db3\u5b8c\u5168\u6709\u5e8f[3]\u7684\u53ef\u9760\u5e7f\u64ad\uff0c\u5373\u6ee1\u8db3\u4ee5\u4e0b\u5c5e\u6027[4]<\/p>\n<ul>\n<li>\u6709\u6548\u6027\uff1a\u5982\u679c\u4e00\u4e2a\u6b63\u786e\u7684\u8fdb\u7a0b\u5e7f\u64ad\u4e86\u4e00\u6761\u6d88\u606f\uff0c\u5219\u6240\u6709\u6b63\u786e\u7684\u8fdb\u7a0b\u6700\u7ec8\u90fd\u4f1a\u4f20\u9012\u8be5\u6d88\u606f\u3002<\/p>\n<\/li>\n<li>\n<p>\u7edf\u4e00\u534f\u8bae\uff1a\u5982\u679c\u4e00\u4e2a\u8fdb\u7a0b\u4f20\u9012\u4e86\u4e00\u6761\u6d88\u606f\uff0c\u5219\u6240\u6709\u6b63\u786e\u7684\u8fdb\u7a0b\u6700\u7ec8\u90fd\u4f1a\u4f20\u9012\u8be5\u6d88\u606f\u3002<\/p>\n<\/li>\n<li>\u7edf\u4e00\u5b8c\u6574\u6027\uff1a\u5bf9\u4e8e\u4efb\u4f55\u6d88\u606fm\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u6700\u591a\u53ea\u80fd\u53d1\u9001\u4e00\u6b21m\uff0c\u5e76\u4e14\u4ec5\u5f53m\u7684\u53d1\u9001\u8005\u5148\u524d\u5df2\u5e7f\u64ad\u4e86m\u3002 <\/li>\n<li>\u7edf\u4e00\u5b8c\u5168\u987a\u5e8f\uff1a\u5982\u679c\u8fdb\u7a0bp\u548cq\u90fd\u4f20\u9012\u6d88\u606fm\u548cm'\uff0c\u5982\u679cp\u5728m'\u4e4b\u524d\u4f20\u9012\u4e86m\uff0c\u5219q\u5728m\u4e4b\u540e\u4f20\u9012m'<\/li>\n<\/ul>\n<p>Paxos [14\uff0c15]\u662f\u7528\u4e8e\u89e3\u51b3\u5206\u5e03\u5f0f\u5171\u8bc6\u7684\u4f20\u7edf\u534f\u8bae\u3002 \u5b83\u6700\u521d\u4e0d\u662f\u4e3a\u539f\u5b50\u5e7f\u64ad\u800c\u8bbe\u8ba1\u7684\uff0c\u4f46\u5728D\u00e9fago\u7b49\u4eba\u7684\u8bba\u6587\u4e2d\u5c55\u793a\u4e86[4]\u5982\u4f55\u5c06\u5171\u8bc6\u534f\u8bae\u7528\u4e8e\u539f\u5b50\u5e7f\u64ad\u3002 \u8fd8\u6709\u8bb8\u591a\u5176\u4ed6\u539f\u5b50\u5e7f\u64ad\u534f\u8bae\uff0cZooKeeper\u4e2d\u8003\u8651\u4f7f\u7528Paxos\uff0c\u4f46\u662f\u5b83\u4e0d\u80fd\u6ee1\u8db3\u670d\u52a1\u6240\u9700\u7684\u67d0\u4e9b\u5173\u952e\u5c5e\u6027\u3002 \u8fd9\u4e9b\u5c5e\u6027\u5728\u7b2c2.3\u8282\u4e2d\u8fdb\u884c\u4e86\u63cf\u8ff0\u3002 Zab\u65e8\u5728\u6ee1\u8db3ZooKeeper\u7684\u8981\u6c42\uff0c\u540c\u65f6\u4fdd\u6301\u4e0ePaxos\u7684\u76f8\u4f3c\u4e4b\u5904\u3002 \u6709\u5173Paxos\u7684\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1[15]\u3002<\/p>\n<h3>2.1 Paxos and design decisions for Zab<\/h3>\n<p>Zab\u4e24\u4e2a\u91cd\u8981\u9700\u6c42[12]\u662f\u5904\u7406\u591a\u4e2a\u672a\u5b8c\u6210\u7684\u5ba2\u6237\u7aef\u64cd\u4f5c\u4ee5\u53ca\u6709\u6548\u5730\u4ece\u5d29\u6e83\u4e2d\u6062\u590d\u3002 \u672a\u5b8c\u6210\u7684\u4e8b\u52a1\u662f\u5df2\u7ecf\u63d0\u51fa\u4f46\u5c1a\u672a\u5b8c\u6210\u7684\u64cd\u4f5c\u3002 \u5bf9\u4e8e\u9ad8\u6027\u80fd\uff0cZooKeeper\u53ef\u4ee5\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u591a\u4e2a\u672a\u5b8c\u6210\u72b6\u6001\u66f4\u6539\uff0c\u5e76\u6839\u636eFIFO\u7684\u63d0\u4ea4\u987a\u5e8f\u53bb\u63d0\u4ea4\u64cd\u4f5c\uff0c\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\u3002 \u6b64\u5916\uff0c\u7cfb\u7edf\u5728\u9886\u5bfc\u8005\u5d29\u6e83\u540e\u53ef\u4ee5\u6709\u6548\u6062\u590d\u4e5f\u662f\u975e\u5e38\u6709\u7528\u7684\u3002<\/p>\n<p>\u539f\u59cbPaxos\u534f\u8bae\u4e0d\u652f\u6301\u591a\u4e2a\u672a\u5b8c\u6210\u7684\u4e8b\u52a1\u3002 Paxos\u4e0d\u9700\u8981FIFO\u901a\u9053\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u53ef\u4ee5\u5bb9\u5fcd\u6d88\u606f\u4e22\u5931\u548c\u91cd\u65b0\u6392\u5e8f\u3002 \u5982\u679c\u4e24\u4e2a\u672a\u5b8c\u6210\u7684\u4e8b\u52a1\u5177\u6709\u5148\u540e\u987a\u5e8f\u4f9d\u8d56\u6027\uff0c\u5219Paxos\u4e0d\u80fd\u5177\u6709\u591a\u4e2a\u672a\u5b8c\u6210\u7684\u4e8b\u52a1\uff0c\u56e0\u4e3a\u4e0d\u80fd\u4fdd\u8bc1FIFO\u987a\u5e8f\u3002 \u53ef\u4ee5\u901a\u8fc7\u5c06\u591a\u4e2a\u4e8b\u52a1\u5206\u6279\u5904\u7406\u5230\u4e00\u4e2a\u63d0\u8bae\u4e2d\uff0c\u5e76\u4e00\u6b21\u6700\u591a\u5141\u8bb8\u4e00\u4e2a\u63d0\u8bae\u6765\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u4f46\u8fd9\u4f1a\u5e26\u6765\u6027\u80fd\u7f3a\u9677\u3002<\/p>\n<p>\u5728Paxos\u4e2d\uff0c\u4eceLeader\u5d29\u6e83\u4e2d\u6062\u590d\u65f6\u4f7f\u7528\u4e8b\u52a1\u5e8f\u5217\u7684\u64cd\u4f5c\u6548\u7387\u4e0d\u591f\u9ad8[12]\u3002 Zab\u901a\u8fc7\u91c7\u7528\u4e8b\u52a1\u6807\u8bc6\u65b9\u6848\u5bf9\u4e8b\u52a1\u8fdb\u884c\u6574\u4f53\u6392\u5e8f\u6765\u6539\u8fdb\u6b64\u95ee\u9898\u3002 \u5728\u8be5\u65b9\u6848\u4e0b\uff0c\u4e3a\u4e86\u66f4\u65b0\u65b0\u7684\u4e3b\u8fdb\u7a0b\u7684\u5e94\u7528\u7a0b\u5e8f\u72b6\u6001\uff0c\u53ea\u9700\u8981\u68c0\u67e5\u6bcf\u4e2a\u8fdb\u7a0b\u4e2d\u6700\u9ad8\u7684\u4e8b\u52a1\u6807\u8bc6\u7b26\uff0c\u5e76\u4ec5\u4ece\u63a5\u53d7\u4e86\u5177\u6709\u6700\u9ad8\u6807\u8bc6\u7b26\u7684\u4e8b\u52a1\u7684\u8fdb\u7a0b\u4e2d\u590d\u5236\u4e8b\u52a1\u3002 \u5728Paxos\u4e2d\uff0c\u5e8f\u5217\u53f7\u4e0d\u80fd\u5e94\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\u56e0\u6b64\u65b0\u7684Leader\u5fc5\u987b\u5bf9\u6240\u6709\u5148\u524d\u7684\u5e8f\u53f7\uff08\u5728Zab\u672f\u8bed\u4e2d\uff0c\u201c\u5df2\u63d0\u4ea4\u4e8b\u52a1\u201d\uff09\u6267\u884cPaxos\u7684\u7b2c\u4e00\u9636\u6bb5\u3002<\/p>\n<p>ZooKeeper\u7684\u5176\u4ed6\u6027\u80fd\u8981\u6c42[19]\uff1a<\/p>\n<ul>\n<li>\u4f4e\u5ef6\u8fdf<\/li>\n<li>\u5728\u7a81\u53d1\u6761\u4ef6\u4e0b\u5177\u6709\u826f\u597d\u7684\u541e\u5410\u91cf\uff0c\u5904\u7406\u5199\u5de5\u4f5c\u8d1f\u8f7d\u8fc5\u901f\u589e\u52a0\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u5927\u89c4\u6a21\u7cfb\u7edf\u91cd\u65b0\u914d\u7f6e\u671f\u95f4\u3002<\/li>\n<li>\u5e73\u7a33\u7684\u6545\u969c\u5904\u7406\uff0c\u4ee5\u4fbf\u67d0\u4e9b\u975e\u9886\u5bfc\u8282\u70b9\u5d29\u6e83\u65f6\uff0c\u8be5\u670d\u52a1\u53ef\u4ee5\u4fdd\u6301\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<h3>2.2 Crash-recovery system model<\/h3>\n<p>ZooKeeper\u5047\u8bbe\u5d29\u6e83\u6062\u590d\u6a21\u578b\u4e3a\u7cfb\u7edf\u6a21\u578b[12]\u3002 \u8be5\u7cfb\u7edf\u662f\u4e00\u7ec4\u8fdb\u7a0b<img decoding=\"async\" src=\"assets\/image-20200819180140425.png\" alt=\"image-20200819180140425\" style=\"zoom: 50%;\" \/>\uff0c<\/p>\n<p>\u5728\u672c\u62a5\u544a\u4e2d\u4e5f\u79f0\u4e3a\u5bf9\u7b49\u4f53\uff0c\u5b83\u4eec\u901a\u8fc7\u6d88\u606f\u4f20\u9012\u8fdb\u884c\u901a\u4fe1\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u914d\u5907\u6709\u7a33\u5b9a\u7684\u5b58\u50a8\u8bbe\u5907\uff0c\u5e76\u4e14\u53ef\u80fd\u591a\u6b21\u5d29\u6e83\u548c\u6062\u590d\u3002 <img decoding=\"async\" src=\"assets\/image-20200819180645871.png\" alt=\"image-20200819180645871\" style=\"zoom:50%;\" \/> > \u7684quorum\u662f\u5b50\u96c6Q\uff0cQ\u2286<img decoding=\"async\" src=\"assets\/image-20200819180645871.png\" alt=\"image-20200819180645871\" style=\"zoom:50%;\" \/>     \/> >\u5e76\u4e14<img src=\"assets\/image-20200819181129394.png\" alt=\"image-20200819181129394\" style=\"zoom:50%;\" \/\u3002\u4e5f\u5c31\u662fQ\u7684\u5143\u7d20\u7684\u4e2a\u6570\u8d85\u8fc7\u4e86<img decoding=\"async\" src=\"assets\/image-20200819180645871.png\" alt=\"image-20200819180645871\" style=\"zoom:50%;\" \/> >\u7684\u534a\u6570\u3002\u4efb\u4f55\u4e24\u4e2aquorum\u90fd\u6709\u4e00\u4e2a\u975e\u7a7a\u7684\u4ea4\u96c6\u3002\u6bcf\u4e00\u4e2a\u8fdb\u7a0b\u90fd\u6709\u4e24\u4e2a\u72b6\u6001, up\u548cdown\u3002\u8fdb\u7a0b\u7684down\u72b6\u6001\u662f\u4ece\u5d29\u6e83\u7684\u65f6\u95f4\u70b9\u5230\u4ed6\u6062\u590d\u7684\u65f6\u95f4\u70b9; up\u72b6\u6001\u662f\u4ece\u6062\u590d\u7684\u65f6\u95f4\u70b9\u5230*\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ZooKeeper\u2019s atomic broadcast protocol: Theory and pract\u2026 <span class=\"read-more\"><a href=\"http:\/\/rain1024.com\/index.php\/2020\/08\/30\/%e3%80%8azookeepers-atomic-broadcast-protocol-theory-and-practice%e3%80%8b%e8%af%91%e6%96%87\/\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-1129","post","type-post","status-publish","format-standard","hentry","category-programme"],"_links":{"self":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/comments?post=1129"}],"version-history":[{"count":1,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1129\/revisions"}],"predecessor-version":[{"id":1355,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1129\/revisions\/1355"}],"wp:attachment":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media?parent=1129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/categories?post=1129"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/tags?post=1129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}