{"id":7540,"date":"2022-04-11T09:17:11","date_gmt":"2022-04-11T09:17:11","guid":{"rendered":"https:\/\/www.taosdata.com\/?p=7540"},"modified":"2022-06-15T06:41:33","modified_gmt":"2022-06-15T06:41:33","slug":"%e4%b8%80%e5%8f%aa%e8%82%a1%e7%a5%a8%e4%b8%80%e5%bc%a0%e8%a1%a8%ef%bc%8c-tdengine-%e5%9c%a8%e9%9d%92%e5%b2%9b%e9%87%91%e8%9e%8d%e7%a0%94%e7%a9%b6%e9%99%a2%e9%87%8f%e5%8c%96%e5%88%86","status":"publish","type":"post","link":"https:\/\/www.taosdata.com\/tdengine-user-cases\/7540.html","title":{"rendered":"\u201c\u4e00\u53ea\u80a1\u7968\u4e00\u5f20\u8868\u201d\uff0c TDengine \u5728\u9752\u5c9b\u91d1\u878d\u7814\u7a76\u9662\u91cf\u5316\u5206\u6790\u573a\u666f\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"\n

\u5c0f T \u5bfc\u8bfb\uff1a<\/strong>\u5bf9\u4e8e\u9752\u5c9b\u534f\u540c\u521b\u65b0\u91d1\u878d\u7814\u7a76\u9662\u6765\u8bf4\uff0c\u4e00\u76f4\u6253\u4ea4\u9053\u7684\u4ea4\u6613\u8bb0\u5f55\u3001\u4ef7\u683c\u7b49\u6570\u636e\u5747\u4e3a\u65f6\u5e8f\u6570\u636e<\/a>\uff0c\u5728\u9009\u62e9\u6570\u636e\u5e93\uff08Database\uff09\u65f6\uff0cTDengine<\/a> \u201c\u4e00\u4e2a\u8bbe\u5907\u4e00\u5f20\u8868\u201d\u7684\u8bbe\u8ba1\u5438\u5f15\u4e86\u4ed6\u4eec\u7684\u76ee\u5149\u3002\u76ee\u524d TDengine \u5df2\u7ecf\u5728\u5176\u751f\u4ea7\u7cfb\u7edf\u4e2d\u7a33\u5b9a\u8fd0\u884c\u4e86 38 \u5468\u3002\u672c\u6587\u603b\u7ed3\u4e86\u4ed6\u4eec\u5728\u9009\u578b\u3001\u642d\u5efa\u7b49\u65b9\u9762\u7684\u6240\u601d\u6240\u60f3\uff0c\u4ee5\u53ca\u5e94\u7528 TDengine \u4e4b\u540e\u6240\u53d6\u5f97\u7684\u6548\u679c\u3002 <\/p><\/blockquote>\n\n\n\n

\u4f01\u4e1a\u7b80\u4ecb<\/strong>\uff1a <\/h3>\n\n\n\n

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\"scene\"<\/figure><\/div>\n\n\n\n

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\"\u7b56\u7565\u7f16\u8f91\"<\/figure><\/div>\n\n\n\n

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\"\u56de\u6d4b\u6570\u636e\u5206\u6790\"<\/figure><\/div>\n\n\n\n

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\"\u6570\u636e\u6a21\u578b\u548c\u6d4b\u8bd5\"<\/figure><\/div>\n\n\n\n

<\/p>\n\n\n\n

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<\/p>\n\n\n\n

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\u8fd9\u91cc\u5927\u5bb6\u9700\u8981\u6ce8\u610f\uff0c\u4e09\u8282\u70b9\u5e76\u4e0d\u4ee3\u8868\u4e09\u526f\u672c\uff0c\u4e5f\u5e76\u4e0d\u4ee3\u8868\u4f60\u7684\u6570\u636e\u5e93\u5df2\u7ecf\u5177\u5907\u4e86\u9ad8\u53ef\u7528\u6027\u3002\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528\u662f\u5728 \"create database xxxx replica 1\/2\/3\"<\/code> \u7684\u8fc7\u7a0b\u4e2d\u6307\u5b9a\u7684\uff0c\u4f46\u662f\u5982\u679c\u4f60\u5fd8\u8bb0\u4e86\u4e5f\u6ca1\u5173\u7cfb\uff0c\u540e\u671f\u53ef\u4ee5\u901a\u8fc7 \"alter database xxxx replica 1\/2\/3\"<\/code> \u6765\u52a8\u6001\u5730\u8fdb\u884c\u8c03\u6574\u3002TDengine \u4f1a\u81ea\u52a8\u590d\u5236\u51fa\u4e00\u6279\u5206\u7247\uff08Vnode\uff09\uff0c\u5e76\u5747\u5300\u5730\u5206\u5e03\u5728\u5404\u4e2a\u8282\u70b9\u4e4b\u4e0a\uff0c\u6548\u679c\u5982\u4e0b”show \u5e93\u540d.vgroups”\u6240\u793a\u3002 <\/p>\n\n\n\n

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\"\u793a\u4f8b2\"<\/figure><\/div>\n\n\n\n
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\"\u793a\u4f8b5\"<\/figure><\/div>\n\n\n\n
\"\u793a\u4f8b6\"<\/figure><\/div>\n\n\n\n

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select first(open), max(high), min(low), last(close), sum(volume), sum(amount) from 'bar_1m_SH600519' where trade_time >= '2021-12-25 09:30:00' and trade_time <= '2021-12-31 15:00:00' interval(30m) fill(null)\n<\/code><\/pre>\n\n\n\n
\u4e0b\u56fe\u4e3a\u7528 1 \u5206\u949f\u7684 bar \u6570\u636e\u5408\u6210 30 \u5206\u949f\u7684 bar \u6570\u636e\uff0c\u67e5\u8be2\u51fa\u7684\u8305\u53f0\u80a1\u7968\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u5f00\u76d8\u4ef7\u3001\u6700\u9ad8\u4ef7\u3001\u6700\u4f4e\u4ef7\u3001\u6536\u76d8\u4ef7\u3002<\/p>\n\n\n\n
\"1<\/figure><\/div>\n\n\n\n
select code,name,trade_time,trade_date,open,high,low,price,pre_price,volume,amount,ask_price1,ask_volume1,ask_price2,ask_volume2,ask_price3,ask_volume3,ask_price4,ask_volume4,ask_price5,ask_volume5,bid_price1,bid_volume1,bid_price2,bid_volume2,bid_price3,bid_volume3,bid_price4,bid_volume4,bid_price5,bid_volume5 from tick_stock where trade_time >='2022-03-18 09:30:00' and trade_time <='2022-03-18 09:30:02' and code in ('002429.SZ', '000006.SZ')\n<\/code><\/pre>\n\n\n\n
\u4e0b\u56fe\u4e3a\u67e5\u8be2\u67d0\u4e24\u652f\u80a1\u7968\u5728\u67d0\u4e2a\u65f6\u95f4\u8303\u56f4\u5185\u7684 tick \u6570\u636e\u3002<\/p>\n\n\n\n
\"\u4e0b\u56fe\u4e3a\u67e5\u8be2\u67d0\u4e24\u652f\u80a1\u7968\u5728\u67d0\u4e2a\u65f6\u95f4\u8303\u56f4\u5185\u7684<\/figure><\/div>\n\n\n\n
<\/p>\n\n\n\n
\u671f\u5f85 TDengine 3.0 \u7248\u672c<\/h2>\n\n\n\n
<\/p>\n\n\n\n
\u9664\u4e86\u6570\u636e\u5e93\u672c\u8eab\u7684\u529f\u80fd\u4e4b\u5916\uff0c\u6211\u4eec\u4e5f\u6ce8\u610f\u5230 TDengine \u7684\u5468\u8fb9\u751f\u6001\u4e5f\u5728\u4e0d\u65ad\u5b8c\u5584\u3002\u5728 2.4 \u7248\u672c\u53d1\u5e03\u4e4b\u540e\uff0c\u5b83\u5b9e\u73b0\u4e86\u5f88\u591a\u529f\u80fd\u66f4\u65b0\uff0c\u5176\u4e2d\u5305\u62ec\u4e00\u6b3e\u4f7f\u7528\u4e86\u76d1\u63a7\u6570\u636e\u5e93\uff08log \u5e93\uff09 + Grafana \u5bf9 TDengine \u8fdb\u884c\u76d1\u63a7\u7684\u89e3\u51b3\u65b9\u6848\u2014\u2014TDinsight\u3002\u5728\u6b64\u4e4b\u524d\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u4e00\u76f4\u662f\u6211\u81ea\u5df1\u7f16\u5199\u7684\u4e00\u6b3e\u76d1\u63a7\u7a0b\u5e8f\uff0c\u4f46 TDinsight \u4f7f\u6700\u7ec8\u7684\u5c55\u793a\u6548\u679c\u66f4\u52a0\u6e05\u6670\u76f4\u89c2\uff0c\u6570\u636e\u5e93\u7684\u8fd0\u884c\u72b6\u6001\u4e5f\u66f4\u52a0\u4e00\u76ee\u4e86\u7136\u3002 <\/p>\n\n\n\n
\u4e8e\u662f\uff0c\u6211\u4eec\u7acb\u523b\u7740\u624b\u66f4\u65b0\u4e86 TDengine 2.4 \u7248\u672c\uff0c\u5e76\u4e14\u90e8\u7f72\u4e86 TDinsight\u3002 <\/p>\n\n\n\n
\u4ee5\u4e0b\u5c31\u662f Grafana \u5c55\u793a\u754c\u9762\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u5f53\u524d\u5e76\u53d1\u5199\u5165\u7684\u89c4\u6a21\u4e0b\uff08\u6bcf\u79d2 1 \u4e07-1.5 \u4e07\u884c\uff09\uff0cCPU \u8d44\u6e90\u5360\u7528\u7387\u53ea\u6709 1.88%\uff0c\u5185\u5b58\u5360\u7528\u53ea\u6709 2G<\/strong>\u3002\u5c3d\u7ba1\u76ee\u524d\u6211\u4eec\u4f7f\u7528\u7684\u662f\u4e09\u53f0 8 \u6838 16G \u7684\u673a\u5668\uff0c\u4f46\u5374\u53ef\u4ee5\u5728\u76f8\u5f53\u957f\u7684\u65f6\u95f4\u5185\u4e0d\u7528\u518d\u62c5\u5fc3\u786c\u4ef6\u8d44\u6e90\u95ee\u9898\u4e86\u3002<\/p>\n\n\n\n
\"TDinsight\u89c6\u56fe\"<\/figure><\/div>\n\n\n\n
\"CPU<\/figure><\/div>\n\n\n\n
\u4e0d\u77e5\u4e0d\u89c9\u4e2d\uff0cTDengine \u5728\u751f\u4ea7\u7cfb\u7edf\u4e2d\u5df2\u7ecf\u8dd1\u4e86 38 \u5468\u4e86\uff0c\u6574\u4f53\u6765\u8bf4\u5404\u65b9\u9762\u6027\u80fd\u90fd\u4e0d\u9519\u3002\u5076\u5c14\u9047\u5230\u7684\u4e00\u4e9b\u4f7f\u7528\u95ee\u9898\uff0c\u4e5f\u5728 TDengine \u793e\u533a\u5f97\u5230\u4e86\u53ca\u65f6\u7684\u5e2e\u52a9\u548c\u89e3\u7b54\uff0c\u8fd0\u884c\u81f3\u4eca\u6211\u4eec\u53d1\u73b0\u4e86\u4e24\u4e2a\u5c0f Bug\uff0c\u5b98\u65b9\u90fd\u5f88\u5feb\u54cd\u5e94\u5904\u7406\u4e86\u3002\u5c3d\u7ba1\u8fd8\u6709\u4e00\u4e9b\u573a\u666f\u5728\u5f53\u524d\u7684 2.0 \u7248\u672c\u8fd8\u5e76\u4e0d\u80fd\u5b8c\u5168\u9002\u914d\uff0c\u4f46 3.0 \u7248\u672c\u51fa\u7089\u540e\u5c31\u53ef\u4ee5\u89e3\u51b3\u4e86\u3002<\/p>\n\n\n\n
\"38\u5468\u5566\"<\/figure><\/div>\n\n\n\n
\u6700\u540e\u795d TDengine Database \u8d8a\u6765\u8d8a\u597d\u5427\uff0c\u671f\u5f85 3.0 \u7248\u672c\u7684\u53d1\u5e03\u8ba9\u5b83\u6210\u4e3a\u65f6\u5e8f\u6570\u636e\u5e93\u91cc\u7684 Oracle\u3002 <\/p>\n\n\n\n
<\/p>\n\n\n\n
\u4f5c\u8005\uff1a<\/h3>\n\n\n\n
William (QQ: 392667) 16 \u5e74\u80a1\u7968\u6295\u8d44\u7ecf\u9a8c\uff0c15\u5e74\u8f6f\u4ef6\u5f00\u53d1\u7ecf\u9a8c\uff0c\u8d1f\u8d23\u9752\u5c9b\u91d1\u878d\u7814\u7a76\u9662\u91cf\u5316\u7cfb\u7edf\u6574\u4f53\u67b6\u6784\uff0c\u4ee5\u53ca\u76f8\u5173\u9ad8\u9891\u4ea4\u6613\u6a21\u578b\u7684\u5f00\u53d1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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