{"id":4979,"date":"2024-02-14T20:50:46","date_gmt":"2024-02-14T12:50:46","guid":{"rendered":"\/?p=4979"},"modified":"2024-02-18T20:29:49","modified_gmt":"2024-02-18T12:29:49","slug":"5-flink%e7%9a%84%e5%a4%8d%e4%b9%a0","status":"publish","type":"post","link":"http:\/\/xinblog.ltd\/?p=4979","title":{"rendered":"5.Flink\u7684\u590d\u4e60"},"content":{"rendered":"<p>Flink\u7684\u590d\u4e60<\/p>\n<ol>\n<li>\n  Flink\u7684\u7b80\u5355\u4ecb\u7ecd\uff0c\u4e00\u4e2a\u9762\u5411\u6d41\u5904\u7406\u548c\u6279\u5904\u7406\u7684\u5206\u5e03\u5f0f\u6570\u636e\u8ba1\u7b97\u5f15\u64ce\uff0c\u53ef\u4ee5\u652f\u6301\u4ece\u591a\u79cd\u6570\u636e\u6765\u6e90\u8fdb\u884c\u6570\u636e\u63a5\u5165\uff0c\u4e5f\u53ef\u4ee5\u8f93\u51fa\u4e3a\u591a\u79cd\u683c\u5f0f\u3002\u4e5f\u5c31\u662f\u652f\u6301\u4e0d\u540c\u7684datasource\u548cdatasink<\/li>\n<li>\n  Flink\u7684\u8fd0\u884c\u5fc5\u987b\u8981Hadoop\u5417\uff1f<\/li>\n<\/ol>\n<p>\u6ca1\u5fc5\u8981\u975e\u8981\u4f9d\u8d56Hadoop\uff0c\u56e0\u4e3aFlink\u53ef\u4ee5\u96c6\u6210\u592a\u591a\u7684\u5927\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u4e86\uff0c\u6bd4\u5982Yarn\uff0cHbase\uff0cHDFS\u3002<\/p>\n<ol>\n<li>\n  Flink\u96c6\u7fa4\u6784\u6210<\/li>\n<\/ol>\n<p>http:\/\/xinblog.ltd\/?p=3971<\/p>\n<p>\u5185\u90e8\u4e3b\u8981\u5b58\u5728\u5982\u4e0b\u51e0\u79cd\u89d2\u8272<\/p>\n<p>JobManager\uff0cTaskManager\uff0cResourceManager\uff0cDispatcher<\/p>\n<p>\u5bf9\u4e8eJobManager \u63a7\u5236\u7740\u4e00\u4e2a\u5e94\u7528\uff0c\u4e00\u4e2a\u8ba1\u7b97\u7684\u6267\u884c\uff0c\u8d1f\u8d23\u5c06\u5e94\u7528\u62bd\u8c61\u4e3aJobGraph\uff0c\u7136\u540e\u8f6c\u6362\u4e3aExecutionGraph\uff0c\u5e76\u8fdb\u884c\u6267\u884c<\/p>\n<p>\u5bf9\u4e8eTaskManager\uff0c\u5219\u662fFlink\u7684\u5de5\u4f5c\u8fdb\u7a0b\uff0c\u63d0\u4f9b\u4e86\u8ba1\u7b97\u8d44\u6e90slot\uff0cslot\u4e2d\u6267\u884c\u4e86\u5177\u4f53\u4efb\u52a1<\/p>\n<p>\u5bf9\u4e8eResourceManager\uff0c\u5219\u662f\u8d1f\u8d23\u7ba1\u7406TaskManager\uff0c\u8d1f\u8d23\u548cJobManager\u4ea4\u4e92\uff0c\u5206\u914d\u8d44\u6e90<\/p>\n<p>Dispatcher\uff0c\u5219\u662f\u8d1f\u8d23\u5e94\u7528\u63d0\u4ea4\uff0c\u542f\u52a8JobManager<\/p>\n<ol>\n<li>\n  Flink\u548cSpark Streaming\u7684\u533a\u522b<\/li>\n<\/ol>\n<p>\u5176\u4e00\uff0c\u67b6\u6784\u4e0d\u540c\uff0c\u7ec4\u4ef6\u4e0d\u540c\uff0c\u8fd9\u4e2a\u662f\u5fc5\u7136\u7684\uff0c\u4e00\u4e2a\u662fMaster\uff0cWorker\uff0cDriver\uff0cExecutor<\/p>\n<p>\u53e6\u4e00\u4e2a\u662fJobManager\uff0cTaskManager\uff0cSlot\u7b49\u6784\u6210<\/p>\n<p>\u5176\u4e8c\uff0c\u4e24\u8005\u652f\u6301\u7684\u65f6\u95f4\u673a\u5236\u4e0d\u4e00\u6837\uff0cFlink\u652f\u6301\u7684\u65f6\u95f4\u673a\u5236\u66f4\u591a\uff0c\u6bd4\u5982\u5904\u7406\u65f6\u95f4\uff0c\u5b9e\u9645\u65f6\u95f4\uff0c\u8fdb\u5165\u65f6\u95f4\uff0c\u800c\u4e14Flink\u652f\u6301WaterMark\u6c34\u4f4d\u673a\u5236\u6765\u5904\u7406\u8fdf\u5230\u6570\u636e\uff0c\u4f46\u662fSpark Streaming\u5219\u662f\u53ea\u652f\u6301\u5904\u7406\u65f6\u95f4<\/p>\n<p>\u5176\u4e09\uff0cSpark Streaming\u7684\u5bb9\u9519\u673a\u5236\uff0c\u867d\u7136\u63d0\u4f9b\u4e86checkpoint\u673a\u5236\uff0c\u4f46\u53ea\u80fd\u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22\u5931\uff0c\u4e0d\u80fd\u505a\u5230Exactly-Once\uff0c\u800cFlink\u5229\u7528\u4e86Checkpoint \u52a0\u4e0a\u4e8c\u9636\u6bb5\u63d0\u4ea4\uff0c\u63d0\u4f9b\u4e86Exactly-Once\u7684\u80fd\u529b\u3002<\/p>\n<ol>\n<li>\n  Flink \u7684Checkpoint \u5bb9\u9519\u673a\u5236<\/li>\n<\/ol>\n<p><a href=\"http:\/\/xinblog.ltd\/?p=3991\">http:\/\/xinblog.ltd\/?p=3991<\/a><\/p>\n<p>Flink\u7684\u7684\u5bb9\u9519\u673a\u5236\u57fa\u4e8e\u4e86Chandy-Lamport algorithm\u7b97\u6cd5<\/p>\n<p>\u5728Flink\u4e2d\uff0c\u6bcf\u4e00\u4e2aJobManager\u5185\u90e8\u90fd\u5b58\u5728\u7740\u68c0\u67e5\u70b9\u751f\u6210\u5668\u3002<\/p>\n<p>\u4f1a\u5b9a\u65f6\u7684\u53d1\u9001\u68c0\u67e5\u70b9barrier \u5c4f\u969c\uff0c\u5f53\u4e0b\u6e38\u7b97\u5b50\u6536\u5230\u7684\u65f6\u5019\uff0c\u4f1a\u8fdb\u884c\u6682\u505c\u5904\u7406\uff0c\u76f4\u5230\u6240\u6709\u7684\u4e0a\u6e38barrier\u90fd\u5230\u8fbe\uff0c\u4e4b\u540e\u751f\u6210\u81ea\u5df1\u7684\u5feb\u7167\uff0c\u7136\u540e\u5411\u4e0b\u6e38\u7b97\u5b50\u5e7f\u64ad\uff0c\u8fd9\u6837\u76f4\u5230sink\u7b97\u5b50\u4e4b\u540e\uff0csink\u7b97\u5b50\u5411JobManager\u8fdb\u884c\u6c47\u62a5\uff0c\u8fd9\u6837\u5c31\u7b97\u4e00\u4e2a\u5feb\u7167\u5236\u4f5c\u6210\u529f\u4e86<\/p>\n<p>\u90a3\u4e48\u90a3\u8fd9\u4e2acheck point \u673a\u5236\u548cSpark Streaming\u8fdb\u884c\u5bf9\u6bd4\uff0c\u4f1a\u53d1\u73b0Flink\u4e2d\u7684checkpoint\u673a\u5236\uff0c\u4f1a\u66f4\u52a0\u7684\u590d\u6742\uff0c\u5b9e\u73b0\u4e86\u6bcf\u4e2a\u7b97\u5b50\u7684\u5feb\u7167\uff0c\u548c\u6d41\u52a8\u4e2d\u7684\u6570\u636e\u7684\u5feb\u7167\u3002<\/p>\n<ol>\n<li>\n  Flink\u4e2d\u7684Exactly-Once\u7684\u5b9e\u73b0\uff1f<\/li>\n<\/ol>\n<p>Exactly-once\u5bf9sink\u8981\u6c42\u8f83\u9ad8\uff0c\u4e3b\u8981\u662f\u7531checkpoint + \u4e8c\u9636\u6bb5\u63d0\u4ea4\u4e00\u540c\u4fdd\u8bc1<\/p>\n<p>\u4e00\u65b9\u9762\u662f\u53ea\u6709\u4e0a\u6d41\u7684checkpoint\u751f\u6210\u5b8c\u6210\u4e86\uff0csink\u624d\u4f1a\u5c06\u6570\u636e\u63d0\u4ea4\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<ol>\n<li>\n  \u5982\u679c\u4e0d\u652f\u6301\u4e8c\u9636\u6bb5\u63d0\u4ea4\uff0c\u8fd8\u80fd\u4fdd\u8bc1Exactly-once\uff1f<\/li>\n<\/ol>\n<p>\u90a3\u4e48\u5c31\u8ddf\u6587\u4ef6\u7cfb\u7edf\u7684\u5b8c\u5168\u4e00\u81f4\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u5148\u5c06\u6587\u4ef6\u589e\u52a0\u540e\u7f00\uff0c\u7b49\u63d0\u4ea4\u540e\u518d\u53bb\u6389\u540e\u7f00\u3002<\/p>\n<ol>\n<li>\n  \u5e38\u89c1\u7b97\u5b50<\/li>\n<\/ol>\n<p>\u8bfb\u53d6\u76f8\u5173 \u4ece\u5185\u5b58\u4e2d\u63d0\u53d6 fromElements \u4ece\u6587\u4ef6\u8bfb\u53d6 readTextFile \u4eceSocket\u4e2d\u8bfb\u53d6 socketTextStream \u81ea\u5b9a\u4e49\u8bfb\u53d6 creatInput<\/p>\n<p>\u4e2d\u95f4\u72b6\u6001\u8f6c\u6362\u4e5f\u6709\uff0c\u6bd4\u5982Map\uff0cFlatMap\u3002Filter\uff0cKeyBy\uff0cReduce\uff0cWindow\uff0cConnect<\/p>\n<ol>\n<li>\n  Flink\u5ef6\u8fdf\u9ad8\uff0c\u600e\u4e48\u529e<\/li>\n<\/ol>\n<p>\u8fd9\u5c31\u662f\u6d88\u8d39\u80fd\u529b\u4e0d\u591f\uff0c\u5fc5\u7136\u9700\u8981\u8fdb\u884c\u76f8\u5173\u7684\u8c03\u4f18\uff0c\u5e76\u53d1\u6570\uff0cCPU\uff0c\u5806\u5185\u5b58\u7b49\u53c2\u6570\u8fdb\u884c\u8c03\u4f18\uff0c\u5305\u62ec\u5e76\u884c\u5ea6\u7684\u8bbe\u7f6e\uff0cState\u7684\u8bbe\u7f6e\uff0ccheckpoint\u7684\u8bbe\u7f6e\u3002<\/p>\n<ol>\n<li>\n  Flink\u5982\u4f55\u5904\u7406\u53cd\u538b<\/li>\n<\/ol>\n<p>Flink\u5185\u90e8\u662f\u6d88\u8d39\u8005\u6a21\u578b\u6765\u4f20\u9012\u6d88\u606f\u7684\uff0cFLink\u7684\u53cd\u538b\u8bbe\u8ba1\u4e5f\u662f\u8fd9\u4e2a\u6a21\u578b\uff0c\u53ea\u8981\u4e0b\u6e38\u4e0d\u6d88\u8d39\uff0c\u4e0a\u6e38\u5c31\u4e0d\u4f1a\u7ee7\u7eed\u8fdb\u884c\u3002<\/p>\n<ol>\n<li>\n  \u5982\u4f55\u6392\u67e5\u751f\u4ea7\u73af\u5883\u4e2d\u7684\u53cd\u538b\u95ee\u9898<\/li>\n<\/ol>\n<p>\u53ef\u4ee5\u6839\u636eFlink Web UI\u8fdb\u884c\u6392\u67e5\uff0cjobManager\u4f1a\u8fdb\u884c\u8ba1\u7b97\u53cd\u538b\u7684\u6bd4\u4f8b<\/p>\n<p>\u6bd4\u5982\u5982\u679c\u662f 0\u52300.1\u4e4b\u95f4\uff0c\u8bf4\u660e\u72b6\u6001\u826f\u597d<\/p>\n<p>\u5982\u679c\u72b6\u6001\u662f0.1\u52300.5\u8bf4\u660e\u6709\u70b9\u95ee\u9898\uff0c\u5982\u679c\u662f\u52300.5\u4e4b\u4e0a\uff0c\u5219\u662f\u8868\u793a\u9700\u8981\u8fdb\u884c\u76f8\u5173\u5904\u7406\u4e86\u3002<\/p>\n<p>\u90a3\u4e48\u9020\u6210\u53cd\u538b\u7684\u95ee\u9898\u53ef\u80fd\u662fcheckpoint\u7684\u9891\u7387\u8fc7\u9ad8\uff0c\u6216\u8005\u5b58\u5728\u6570\u636e\u503e\u659c\uff0c\u6216\u8005GC\u7684\u8bbe\u7f6e\u4e0d\u5408\u7406\u3002<\/p>\n<ol>\n<li>\n  Flink\u7684\u72b6\u6001\u5b58\u50a8<\/li>\n<\/ol>\n<p>\u5982\u679c\u9700\u8981\u5b58\u50a8\u4e2d\u95f4\u72b6\u6001\uff0cFlink\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u5b58\u50a8\u65b9\u5f0f\uff0cMemoryStateBackend<\/p>\n<p>FsStateBackend\uff0cRocksDBStateBackend<\/p>\n<ol>\n<li>\n  \u4ec0\u4e48\u662f\u7b97\u5b50\u94fe<\/li>\n<\/ol>\n<p>\u5c31\u662f\u5c06\u5b50\u7b97\u5b50\uff0c\u5c3d\u53ef\u80fd\u7684\u653e\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u6267\u884c\uff0c\u8fd9\u6837\u80fd\u591f\u51cf\u5c11\u6570\u636e\u4ea4\u6362\u65f6\u7684\u5360\u7528\u3002<\/p>\n<ol>\n<li>\n  Flink\u4e2d\u7684\u6570\u636e\u503e\u659c\u95ee\u9898<\/li>\n<\/ol>\n<p>\u9996\u5148\u662f\u51fa\u73b0\u7684\u53ef\u80fd\u539f\u56e0\uff0c\u6bd4\u5982\u5317\u4eac\u7684\u6570\u636e\u662f\u8fdc\u9ad8\u4e8e\u5176\u4ed6\u7684\u57ce\u5e02\u7684<\/p>\n<p>\u6216\u8005\u662f\u672c\u8eab\u7684\u4ee3\u7801\u4e66\u5199\u6709\u95ee\u9898<\/p>\n<p>\u9488\u5bf9\u8fd9\u79cd\u6570\u636e\u503e\u659c\u7684\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u66f4\u7ec6\u7c92\u5ea6\u7684\u62c6\u5206\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651\u8fdb\u884c\u9884\u5148\u805a\u5408<\/p>\n<ol>\n<li>\n  Flink\u4e2d\u6d89\u53ca\u7684Time<\/li>\n<\/ol>\n<p>\u4e3b\u8981\u6709\u4e09\u79cd\uff0c\u5206\u522b\u662fEventtime\uff0c Ingestion Time\uff0cProcessTime<\/p>\n<p>\u5206\u522b\u5bf9\u5e94\u7740\u4e0d\u540c\u7684\u542b\u4e49\uff0c\u81f3\u4e8e\u5728\u5904\u7406\u7684\u65f6\u5019\u91c7\u7528\u54ea\u4e2a\u5904\u7406\u65f6\u95f4\u673a\u5236\uff0c\u5219\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u6765\u770b\u3002<\/p>\n<ol>\n<li>\n  Flink\u4e2d\u7684\u8fdf\u5230\u6570\u636e<\/li>\n<\/ol>\n<p>\u5229\u7528\u5176\u4e2d\u7684watermark\u673a\u5236\u53ef\u4ee5\u89e3\u51b3\u4e71\u5e8f\u7684\u95ee\u9898\uff0c\u5229\u7528\u4e00\u4e2a\u6700\u665a\u5230\u8fbe\u65f6\u95f4\u6765\u63a7\u5236\u6c34\u4f4d\u6700\u665a\u8fbe\u5230\u65f6\u95f4\u3002<\/p>\n<ol>\n<li>\n  Flink\u4e2d\u7684CEP \u7b80\u8ff0\u4e0b<\/li>\n<\/ol>\n<p><a href=\"http:\/\/xinblog.ltd\/?p=3779\">http:\/\/xinblog.ltd\/?p=3779<\/a><\/p>\n<p>\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u72b6\u6001\u673a\uff0c\u53ea\u6709\u6ee1\u8db3\u4e86\u8fd9\u4e2a\u72b6\u6001\u53d8\u5316\uff0c\u624d\u4f1a\u8f93\u51fa\u5bf9\u5e94\u7684\u6570\u636e\u3002<\/p>\n<p>\u57fa\u672c\u6d41\u7a0b\u4e3a\uff0c\u5b9a\u4e49\u6570\u636e\u6d41\uff0c\u5b9a\u4e49\u89c4\u5219\uff0c\u5e94\u7528\uff0c\u5f97\u5230\u7ed3\u679c<\/p>\n<p>\u5bf9\u4e8e\u5176\u4e2d\u4e2d\u95f4\u6001\u7684\u6570\u636e\uff0c\u5219\u662f\u4fdd\u5b58\u5230\u5185\u5b58\u7684\u4e00\u4e2aMap\u7ed3\u6784\u4e2d\u3002<\/p>\n<ol>\n<li>\n  Flink\u5982\u4f55\u8bbe\u7f6e\u5e76\u884c\u5ea6<\/li>\n<\/ol>\n<p>\u7b97\u5b50\u5c42\u9762\u53ef\u4ee5<\/p>\n<p>SetParallelism(10)<\/p>\n<p>\u6267\u884c\u5c42\u9762\u53ef\u4ee5\u901a\u8fc7\u63d0\u4ea4jar\u5305\u7684\u65f6\u5019\u7684-p\u53c2\u6570\u4fee\u6539\u5e76\u884c\u5ea6<\/p>\n<p>\u5ba2\u6237\u7aef\u7684\u5c42\u9762\u53ef\u4ee5\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/p>\n<p>Env.setParallelism(10)<\/p>\n<p>\u5168\u5c40\u5c42\u9762<\/p>\n<p>Parallelism.default\u8bbe\u7f6e\uff0c\u9ed8\u8ba4\u4e3a1\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u7684\u9ed8\u8ba4\u503c\u66f4\u5927\u4e00\u4e9b\u3002<\/p>\n<ol>\n<li>\n  Task\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362<\/li>\n<\/ol>\n<p>\u8fd9\u662f\u4ea4\u7ed9TaskManager\u8d1f\u8d23\u7684\uff0c\u9996\u5148\u4ece\u7f13\u5b58buffer\u4e2d\u6536\u96c6records\uff0c\u7136\u540e\u518d\u53d1\u9001\u3002<\/p>\n<ol>\n<li>\n  Flink\u7684\u5e8f\u5217\u5316<\/li>\n<\/ol>\n<p>\u5728Flink\u4e2d\uff0c\u81ea\u5df1\u63d0\u4f9b\u4e86\u4e00\u5957\u5e8f\u5217\u5316\u65b9\u6cd5<\/p>\n<p>\u652f\u6301\u7684\u79cd\u7c7b\u4e3b\u8981\u6709\uff1a<\/p>\n<p>BasicTypeInfo\uff1a\u652f\u6301\u6700\u57fa\u672c\u7684Java\u7c7b\u578b\uff0c\u4ee5\u53caString<\/p>\n<p>BasicArrayTypeInfo\uff1a \u4efb\u610fJava\u57fa\u672c\u7c7b\u578b\u7684\u6570\u7ec4 \u4ee5\u53caString<\/p>\n<p>WritableTypeInfo\uff1a\u4efb\u610fHadoop Writable\u7684\u63a5\u53e3<\/p>\n<p>TupleTypeInfo\uff0c\u81ea\u5df1\u5b9e\u73b0\u4e86\u4e00\u4e2a\u5143\u7956\u7c7b\u578b<\/p>\n<p>PojoTypeInfo\uff0c\u4efb\u610fPOJO\u7c7b\uff0c\u5b9e\u73b0\u4e86getter\u548csetter\u65b9\u6cd5<\/p>\n<ol>\n<li>\n  Flink\u5982\u4f55\u5b9e\u73b0\u53bb\u91cd<\/li>\n<\/ol>\n<p>\u57fa\u4e8e\u72b6\u6001\u540e\u6bb5\uff0c\u6216\u8005\u57fa\u4e8e\u5e03\u9686\u8fc7\u6ee4\u5668\uff0c\u6216\u8005\u57fa\u4e8eBitMap<\/p>\n<ol>\n<li>\n  \u4e86\u89e3Flink SQL\u5417\uff0c\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/li>\n<\/ol>\n<p>\u548cSpark SQL\u7c7b\u4f3c\uff0c\u6784\u5efa\u62bd\u8c61\u8bed\u6cd5\u6811\uff0c\u7136\u540e\u8f6c\u6362\u4e3a\u903b\u8f91\u6267\u884c\u8ba1\u5212\u548c\u7269\u7406\u6267\u884c\u8ba1\u5212\uff0c\u6700\u540e\u5206\u53d1\u5230TaskManager\u4e2d\u8fdb\u884c\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flink\u7684\u590d\u4e60 Flink\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"_links":{"self":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/4979"}],"collection":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4979"}],"version-history":[{"count":1,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/4979\/revisions"}],"predecessor-version":[{"id":5004,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/4979\/revisions\/5004"}],"wp:attachment":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4979"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}