{"id":4862,"date":"2021-12-23T06:52:07","date_gmt":"2021-12-23T06:52:07","guid":{"rendered":""},"modified":"2022-06-24T08:31:29","modified_gmt":"2022-06-24T08:31:29","slug":"tdengine%e5%9c%a8%e6%b0%b4%e7%94%b5%e5%8e%82%e7%95%b8%e5%8f%98%e6%b3%a2%e5%bd%a2%e5%88%86%e6%9e%90%e5%8f%8a%e6%95%85%e9%9a%9c%e9%a2%84%e5%88%a4%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.taosdata.com\/tdengine-user-cases\/4862.html","title":{"rendered":"TDengine \u5728\u6c34\u7535\u5382\u7578\u53d8\u6ce2\u5f62\u5206\u6790\u53ca\u6545\u969c\u9884\u5224\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"\n<p>\u4f5c\u8005\uff1a\u6df1\u5733\u53cc\u5408\u7535\u673a\u76d1\u6d4b\u548c\u6545\u969c\u9884\u6d4b\u4ea7\u54c1\u7814\u53d1\u56e2\u961f <\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u5c0fT\u5bfc\u8bfb\uff1a\u6df1\u5733\u53cc\u5408\u7535\u6c14\u80a1\u4efd\u6709\u9650\u516c\u53f8\u6210\u7acb\u4e8e1993\u5e74\uff0c\u662f\u56fd\u5bb6\u7ea7\u9ad8\u65b0\u6280\u672f\u4f01\u4e1a\u548c\u5e7f\u4e1c\u7701\u4e13\u7cbe\u7279\u65b0\u4f01\u4e1a\u3002\u516c\u53f8\u81f4\u529b\u4e8e\u7535\u529b\u53ca\u5de5\u4f01\u4e1a\u7cfb\u7edf\u5e94\u7528\u89e3\u51b3\u65b9\u6848\u53ca\u76f8\u5173\u667a\u80fd\u76d1\u6d4b\u8bbe\u5907\u7684\u7814\u7a76\u3001\u5f00\u53d1\u3001\u751f\u4ea7\u4e0e\u5b9e\u65bd\uff0c\u62e5\u6709\u9762\u5411\u7535\u529b\u7cfb\u7edf\u3001\u53d1\u7535\u3001\u77f3\u5316\u3001\u51b6\u91d1\u3001\u94a2\u94c1\u7b49\u884c\u4e1a\u7684\u6545\u969c\u8bca\u65ad\u53ca\u9884\u8b66\u7cfb\u7edf\u7cfb\u5217\u89e3\u51b3\u65b9\u6848\u3002 <\/p><\/blockquote>\n\n\n\n<h2>\u9879\u76ee\u80cc\u666f <\/h2>\n\n\n\n<p>\u6c34\u7535\u5382\u5bf9\u91cd\u8981\u4e3b\u673a\u8bbe\u5907\u5df2\u914d\u5907\u57fa\u4e8e\u751f\u4ea7\u8fd0\u884c\u63a7\u5236\u7684\u8ba1\u7b97\u673a\u76d1\u63a7\u7cfb\u7edf\u548c\u673a\u7ec4\u7a33\u5b9a\u6027\u76d1\u6d4b\u5206\u6790\u7cfb\u7edf\uff0c\u4e3b\u8981\u4ece\u632f\u52a8\u3001\u6c14\u9699\u7b49\u72b6\u6001\u91cf\u5bf9\u4e3b\u673a\u8bbe\u5907\u7684\u8fd0\u884c\u72b6\u6001\u8fdb\u884c\u76d1\u6d4b\u548c\u8bc4\u4f30\uff1b\u540c\u65f6\u6c34\u7535\u5382\u5bf9\u6c34\u8f6e\u53d1\u7535\u673a\u7ec4\u88c5\u8bbe\u4e86\u6545\u969c\u5f55\u6ce2\u5668\uff0c\u7528\u4e8e\u8bb0\u5f55\u673a\u7ec4\u5f02\u5e38\u548c\u6545\u969c\u65f6\u7684\u6ce2\u5f62\u53ca\u52a8\u4f5c\u60c5\u51b5\uff0c\u4f46\u8fd9\u4e9b\u76d1\u6d4b\u624b\u6bb5\u4ec5\u4ece\u90e8\u5206\u89d2\u5ea6\u5bf9\u673a\u7ec4\u72b6\u6001\u8fdb\u884c\u8bc4\u4f30\uff0c\u672a\u80fd\u4ece\u591a\u7ef4\u7efc\u5408\u7684\u89d2\u5ea6\u8bc4\u4f30\u673a\u7ec4\u7684\u5b89\u5168\u8fd0\u884c\u60c5\u51b5\u3002\u6b64\u5916\uff0c\u5bf9\u6545\u969c\u5f55\u6ce2\u5668\u8bb0\u5f55\u7684\u5927\u91cf\u673a\u7ec4\u7684\u7535\u6c14\u53ca\u4fdd\u62a4\u5f00\u5173\u52a8\u4f5c\u4fe1\u606f\uff0c\u672a\u80fd\u6316\u6398\u6570\u636e\u7684\u6df1\u5165\u4ef7\u503c\u3002 <\/p>\n\n\n\n<p>\u57fa\u4e8e\u73b0\u6709\u7cfb\u7edf\u7684\u4e0d\u8db3\uff0c\u7528\u6237\u63d0\u51fa\u4e86\u672c\u9879\u76ee\u5efa\u8bbe\u9700\u6c42\uff0c\u5e76\u57fa\u4e8e\u6df1\u5733\u53cc\u5408\u4e30\u5bcc\u7684\u7cfb\u7edf\u65b9\u6848\u89e3\u51b3\u80fd\u529b\uff0c\u5c06\u672c\u9879\u76ee\u4ea4\u7ed9\u6211\u53f8\u5efa\u8bbe\u3002 <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.taosdata.com\/blog\/wp-content\/uploads\/2021\/12\/\u6df1\u5733\u53cc\u54081.png\" alt=\"\u5f55\u6ce2\u6570\u636e\u5206\u6790\u8f6f\u4ef6 TDengine Database\" class=\"wp-image-3493\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2>\u4e3b\u8981\u6311\u6218\n<\/h2>\n\n\n\n<p>\u672c\u9879\u76ee\u4e2d\uff0c\u7528\u6237\u63d0\u51fa\u7684\u6700\u57fa\u672c\uff0c\u4e5f\u6700\u6838\u5fc3\u7684\u9700\u6c42\u662f\u5c06\u5168\u5382\u7684\u7535\u529b\u7cfb\u7edf\u5404\u5143\u4ef6\u7eb3\u5165\u7cfb\u7edf\u7684\u76d1\u6d4b\uff0c\u5e76\u5b58\u50a8\u9ad8\u91c7\u6837\u7387\u7684\u539f\u59cb\u4fe1\u53f7\u6570\u636e\u3002\u6709\u4e86\u539f\u59cb\u6570\u636e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u5404\u79cd\u9ad8\u7ea7\u5e94\u7528\u5206\u6790\u3002 <\/p>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u9700\u6c42\u4e2d\uff0c\u4fe1\u53f7\u91c7\u6837\u7387\u662f10K\uff0c\u5373\u6bcf\u79d2\u949f\u4ea7\u751f1\u4e07\u4e2a\u6d6e\u70b9\u6570\u636e\u3002\u5168\u5382\u7535\u529b\u7cfb\u7edf\u5143\u4ef6\uff0c\u521d\u6b65\u4f30\u7b97\u6709500\u4e2a\u4fe1\u53f7\u901a\u9053\u3002\u8fd9\u68371\u5929\u5373\u53ef\u4ea7\u751f1.7T\u5b57\u8282\u6570\u636e\u91cf\uff0810000 * 4 byte * 500 * 24 * 60 * 60\uff09\u3002 <\/p>\n\n\n\n<p>\u5de8\u91cf\u7684\u6570\u636e\uff0c\u7ed9\u6211\u4eec\u9020\u6210\u4e24\u4e2a\u96be\u9898\uff1a\u4e00\u662f\u4ece\u76d1\u6d4b\u88c5\u7f6e\u5230\u7cfb\u7edf\u670d\u52a1\u5668\u7684\u6570\u636e\u4f20\u8f93\u95ee\u9898\uff1b\u53e6\u4e00\u4e2a\u5c31\u662f\u6570\u636e\u5b58\u50a8\u95ee\u9898\u3002 <\/p>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u96be\u9898\uff0c\u57fa\u4e8e\u6df1\u5733\u53cc\u5408\u4e30\u5bcc\u7684\u8bbe\u5907\u7814\u53d1\u80fd\u529b\uff0c\u76f4\u63a5\u901a\u8fc7\u786c\u4ef6\u53d1\u9001\u94fe\u8def\u6570\u636e\u5f88\u5feb\u5c31\u89e3\u51b3\u4e86\u3002 <\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u96be\u9898\uff0c\u89e3\u51b3\u65b9\u6848\u5c31\u4e24\u4e2a\uff1a\u9009\u62e9\u6570\u636e\u5e93\u5b58\u50a8\u6216\u6587\u4ef6\u5b58\u50a8\u3002\u5bf9\u4e8e\u6570\u636e\u5e93\u5b58\u50a8\u65b9\u6848\uff0c\u5982\u6b64\u5de8\u91cf\u7684\u6570\u636e\uff0c\u6839\u636e\u7ecf\u9a8c\u53ef\u4ee5\u77e5\u9053\uff0c\u5e38\u89c1\u7684\u4e3b\u6d41\u6570\u636e\u5e93\u5f88\u96be\u652f\u6491\u3002\u800c\u6587\u4ef6\u5b58\u50a8\u662f\u7535\u529b\u7cfb\u7edf\u8fd9\u79cd\u7c7b\u578b\u6570\u636e\u901a\u5e38\u7684\u5b58\u50a8\u65b9\u6848\uff0c\u4e8e\u662f\u6211\u4eec\u5c06\u6b64\u65b9\u6848\u62a5\u7ed9\u4e86\u7528\u6237\uff0c\u4e0d\u8fc7\u4ed6\u4eec\u5e76\u6ca1\u6709\u9009\u62e9\u3002\u4e00\u65b9\u9762\u662f\u8fde\u7eed\u3001\u5de8\u91cf\u7684\u539f\u59cb\u91c7\u6837\u6570\u636e\u5b58\u50a8\u6210\u6587\u4ef6\uff0c\u786e\u5b9e\u4f1a\u5bf9\u540e\u7eed\u7684\u6570\u636e\u5e94\u7528\u4ea7\u751f\u8bf8\u591a\u4e0d\u4fbf\uff1b\u4e00\u65b9\u9762\u662f\u5e0c\u671b\u7cfb\u7edf\u6709\u4e00\u5b9a\u7684\u521b\u65b0\u6027\u3002 <\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2>\u6570\u636e\u5e93\u9009\u578b\u548c\u9a8c\u8bc1\n<\/h2>\n\n\n\n<p>\u7528\u6237\u53cd\u5bf9\u6587\u4ef6\u5b58\u50a8\u65b9\u6848\uff0c\u903c\u6211\u4eec\u53c8\u56de\u5230\u6570\u636e\u5e93\u5b58\u50a8\u65b9\u6848\u4e0a\u3002\u6211\u4eec\u5c31\u628a\u76ee\u5149\u8f6c\u5411\u4e86\u65b0\u5174\u7684\u6570\u636e\u5e93\u3002 <\/p>\n\n\n\n<p>\u7ecf\u8fc7\u53cd\u590d\u5bf9\u6bd4\uff0c\u6d9b\u601d\u6570\u636e\u5f00\u53d1\u7684<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"TDengine\" target=\"_blank\" rel=\"noopener\">TDengine<\/a><a href=\"http:\/\/www.taosdata.com\">\u65f6\u5e8f\u6570\u636e\u5e93<\/a>\u4f18\u5f02\u7684\u6027\u80fd\u6307\u6807\u5438\u5f15\u4e86\u6211\u4eec\u3002\u6211\u4eec\u5bf9\u6570\u636e\u5e93\u6709\u4e09\u4e2a\u6700\u5173\u5fc3\u7684\u6838\u5fc3\u6027\u80fd\u6307\u6807\uff08\u5199\u5165\u80fd\u529b\u3001\u67e5\u8be2\u6548\u7387\u3001\u5b58\u50a8\u80fd\u529b\uff09\u3002\u5728\u6b63\u5f0f\u5f15\u5165TDengine Database\u4e4b\u524d\uff0c\u6211\u4eec\u5bf9\u8fd9\u4e09\u4e2a\u6307\u6807\u8fdb\u884c\u4e86\u6d4b\u8bd5\u9a8c\u8bc1\u3002 <\/p>\n\n\n\n<p>\u6211\u4eec\u5efa\u4e8610\u4e2a\u6570\u636e\u8868\uff0c\u6bcf\u4e2a\u886850\u4e2a\u6570\u636e\u5217\uff0c\u6570\u636e\u5e93\u91c7\u7528\u5355\u673a\u6a21\u5f0f\u3002\u7136\u540e\u7f16\u5199\u6a21\u62df\u7a0b\u5e8f\u6bcf\u5f20\u8868\u6bcf\u79d2\u4ea7\u751f1\u4e07\u884c\u8bb0\u5f55\u63d2\u5165\u5230\u8fd910\u5f20\u8868\u4e2d\uff0c\u5e76\u901a\u8fc7SQL\u8bed\u53e5<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> <span style=\"font-size: inherit; background-color: rgba(20, 20, 20, 0.2);\">select count(*) from tablename where ts>now -1s <\/span> <\/code><\/pre>\n\n\n\n<p>\u6765\u9a8c\u8bc1\u5f53\u524d\uff081\u79d2\u4ee5\u5185\uff09\u4ea7\u751f\u7684\u6570\u636e\u662f\u5426\u53ca\u65f6\u88ab\u5199\u5165\u4e86\u6570\u636e\u5e93\u3002 <\/p>\n\n\n\n<p>\u5982\u679c\u6570\u636e\u6765\u4e0d\u53ca\u5199\u5165\u6570\u636e\u5e93\uff0c\u6570\u636e\u5c31\u4f1a\u6162\u6162\u5806\u79ef\u8d77\u6765\u3002\u8fd9\u6837\u6700\u65b0\u7684\u6570\u636e\u4e5f\u5c31\u65e0\u6cd5\u5728\u6570\u636e\u5e93\u4e2d\u67e5\u5230\u3002\u4e3a\u4e86\u68c0\u67e5\u662f\u5426\u5b58\u5728\u5806\u79ef\u73b0\u8c61\uff0c\u6211\u4eec\u4e5f\u6d4b\u8bd5\u4e86\u7a0b\u5e8f\u8fd0\u884c\u591a\u5929\u4e4b\u540e\u6267\u884c\u8be5SQL\uff0c\u7ed3\u679c\u662f\u5f53\u524d\u6700\u65b01\u79d2\u5185\u7684\u6570\u636e\u4e5f\u80fd\u5728\u6570\u636e\u5e93\u91cc\u67e5\u5230\uff0c\u8fd9\u8bf4\u660e\u5806\u79ef\u7684\u6570\u636e\u4e0d\u8d85\u8fc71\u79d2\u3002\u4e5f\u5c31\u8868\u660e\uff0c\u6570\u636e\u5e93\u53ca\u65f6\u5199\u5165\u4e86\u6570\u636e\uff0c\u6ca1\u6709\u4efb\u4f55\u5ef6\u8fdf\u3002 <\/p>\n\n\n\n<p>\u540e\u6765\u6211\u4eec\u53c8\u5c06\u4ea7\u751f\u7684\u6570\u636e\u91cf\u7ffb\u500d\uff0c\u6d4b\u8bd5\u7ed3\u679c\u4e00\u6837\uff0c\u8bf4\u660eTDengine\u6570\u636e\u5e93\u7684<a href=\"https:\/\/www.taosdata.com\/docs\/cn\/v2.0\/taos-sql#insert\">\u5199\u5165\u80fd\u529b<\/a>\u975e\u5e38\u5f3a\u608d\u3002 <\/p>\n\n\n\n<p>\u800c\u67e5\u8be2\u6548\u7387\u7684\u9a8c\u8bc1\u5219\u76f8\u5bf9\u7b80\u5355\u3002\u6211\u4eec\u5728\u5df2\u7ecf\u6709\u4e86\u51e0\u5341\u4ebf\u6761\u8bb0\u5f55\u7684\u8868\u4e2d\u968f\u610f\u67e5\u8be2\u51e0\u5341\u4e07\u6761\u8bb0\u5f55\uff0c\u67e5\u8be2\u65f6\u95f4\u5747\u6ca1\u8d85\u8fc71\u79d2\uff0c\u8bf4\u660eTDengine\u6570\u636e\u5e93\u67e5\u8be2\u6548\u7387\u4e5f\u6781\u5176\u5f3a\u608d\u3002 <\/p>\n\n\n\n<p>\u518d\u5c31\u662f\u5bf9\u6570\u636e\u5e93\u5b58\u50a8\u80fd\u529b\u7684\u9a8c\u8bc1\u3002\u6839\u636e\u63a8\u7b97\uff0c\u6211\u4eec1\u5929\u4ea7\u751f1.7T\u7684\u6570\u636e\u3002\u800c\u6211\u4eec\u7528du \u2013sh * \u547d\u4ee4\u53bb\u67e5\u770bTDengine\u6570\u636e\u5e93\u7684\u6570\u636e\u76ee\u5f55\uff0c24\u5c0f\u65f6\u4e4b\u540e\u518d\u53bb\u67e5\u770b\uff0c\u53d1\u73b0\u6570\u636e\u589e\u91cf\u7ea6\u662f1.7T\u768430%\u5de6\u53f3\u3002\u8fd9\u8bf4\u660eTDengine\u7684\u538b\u7f29\u80fd\u529b\u4e5f\u662f\u6bd4\u8f83\u4f18\u5f02\u7684\u3002 <\/p>\n\n\n\n<p>\u57fa\u4e8e\u4e0a\u8ff0\u4e09\u4e2a\u6027\u80fd\u6307\u6807\u7684\u4f18\u5f02\u8868\u73b0\uff0c\u6211\u4eec\u5f88\u5feb\u51b3\u5b9a\u5c06TDengine\u65f6\u5e8f\u6570\u636e\u5e93\u6b63\u5f0f\u5f15\u5165\u9879\u76ee\u3002 <\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2>TDengine\u4f7f\u7528\u4f53\u9a8c\n<\/h2>\n\n\n\n<p>\u6b63\u5f0f\u4f7f\u7528TDengine\u6570\u636e\u5e93\u540e\uff0c\u6211\u4eec\u53d1\u73b0TDengine\u7684C++\u548cJava\u63a5\u53e3\u90fd\u7b80\u5355\u6e05\u6670\uff0c<a 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