{"id":106542,"date":"2020-05-28T22:13:31","date_gmt":"2020-05-28T14:13:31","guid":{"rendered":"http:\/\/4563.org\/?p=106542"},"modified":"2020-05-28T22:13:31","modified_gmt":"2020-05-28T14:13:31","slug":"%e6%b1%82%e5%8f%8b%e4%bb%ac%e5%b8%ae%e5%8a%a9%ef%bc%8c%e6%af%8f%e5%a4%a9%e4%ba%bf%e7%ba%a7%e6%95%b0%e6%8d%ae%e6%80%8e%e4%b9%88%e5%82%a8%e5%ad%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=106542","title":{"rendered":"\u6c42\u53cb\u4eec\u5e2e\u52a9\uff0c\u6bcf\u5929\u4ebf\u7ea7\u6570\u636e\u600e\u4e48\u50a8\u5b58"},"content":{"rendered":"
\n
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\u6c42\u53cb\u4eec\u5e2e\u52a9\uff0c\u6bcf\u5929\u4ebf\u7ea7\u6570\u636e\u600e\u4e48\u50a8\u5b58 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : rapperx2 <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u9879\u76ee\u662f GPS \u4e1a\u52a1\uff0c\u6bcf\u5929\u6709\u7ea6 2w+\u53f0\u8f66\u4f20\u6570\u636e\u5230\u6211\u4eec\u8fd9\u91cc\u50a8\u5b58\u3002\u6bcf\u5929\u6570\u636e\u91cf\u5927\u6982\u5728 1 \u4ebf\u5de6\u53f3\u3002<\/p>\n

\u6570\u636e\u4e3b\u8981\u7528\u4e8e\u505a\u62a5\u8868\uff0c\u67e5\u8be2\u5386\u53f2\u8f68\u8ff9\uff08\u67e5\u8be2\u9891\u7387\u9ad8\uff0c\u57fa\u672c\u4e0a\u6bcf\u6b21\u67e5\u51fa\u8fc7\u4e07\u7684\u6570\u636e\uff09<\/p>\n

\u6ca1\u505a\u8fc7\u8fd9\u4e48\u5927\u6570\u636e\u91cf\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u60f3\u95ee\u4e0b\u8fd9\u573a\u666f\u5e94\u8be5\u600e\u4e48\u505a\uff1f\u611f\u8c22<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (48<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tanranran <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u67e5\u8be2\u6761\u4ef6\u590d\u6742\uff0c\u4e14\u6709\u6587\u672c\u67e5\u8be2\uff0c\u90a3\u5c31 Hbase + ElasticSearch \uff1b\u5982\u679c\u7528\u4e91\u4ea7\u54c1\uff0c\u90a3\u5c31\u662f\u963f\u91cc\u4e91\u7684 OTS + OpenSearch <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cominghome <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6ca1\u505a\u8fc7\u8fd9\u79cd\u4e1a\u52a1\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u8bf4\u4e0b\u770b\u6cd5\u3002<\/p>\n

    2w \u53f0\u8f66\uff0c\u6570\u636e\u91cf\u4e00\u4ebf\uff0c\u90a3\u770b\u6765\u5355\u4f4d\u662f\u8bf7\u6c42\u6570\uff1f \u7ed9\u4f60\u5f80\u5927\u4e86\u8bf4\uff0c\u4e00\u4e2a\u8bf7\u6c42\u6309 10 KB \u7b97\uff0c \u7b97\u4e0b\u6765\u4e00\u5929\u4e5f\u5c31 1T \u5de6\u53f3\uff0c\u6b63\u5e38\u7684\u5927\u6570\u636e\u4ed3\u5e93\u90fd\u80fd hold \u4f4f\u7684\u5427 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : shadowyue <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6709\u63a5\u89e6\u8fc7\u76f8\u5173\u4e1a\u52a1\uff0c\u91cf\u5e94\u8be5\u6ca1\u4f60\u8fd9\u4e48\u5927\uff0c5k-1w \u91cf\u8f66\uff0cmongodb \u5c31 hold \u4f4f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xman99 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8003\u8651\u4e0b \u65b0\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff1f tidb \u3001hbase \u7b49\u8d85\u5927\u578b\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : daozhihun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8fd9\u4e2a\u5f88\u9002\u5408 hbase <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : HEROic <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    hbase+es \u5427\uff0chbase \u7528\u65f6\u95f4\u5e74\u6708\u5212\u5206 region\uff0ces \u6309\u5929\u5efa\u7d22\u5f15 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : HEROic <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5355\u7eaf\u7684\u8fc7\u8f66\u6570\u636e\u5927\u6982\u5c31 2KB \u5de6\u53f3\uff0c\u4e00\u5929\u5c31 200G <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tolerance <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u65f6\u5e8f\u6570\u636e\u5e93\u8003\u8651\u4e00\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : micean <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6ca1\u505a\u8fc7\u5927\u6570\u636e\u4e1a\u52a1\u7684\u8bdd\u5c31\u6309\u4e00\u822c\u60c5\u51b5\u8003\u8651\u5427
    \u6bcf\u53f0\u8f66\u6bcf\u5929\u53d1 5 \u5343\u6761\uff0c\u5e73\u5747\u4e0d\u5230 1 \u79d2\u4e00\u6761\u3002
    \u4e0d\u4ee3\u8868\u6bcf\u6761\u90fd\u8981\u5b58\u50a8\u5427\uff0c\u5730\u56fe\u4e0a\u4e5f\u4e0d\u9700\u8981\u5c55\u793a\u8fd9\u4e48\u7cbe\u7ec6
    \u53ef\u4ee5 15 \u79d2\u4ee5\u4e0a\u5b58\u4e00\u6b21\uff0c\u8fd9\u6837\u6570\u91cf\u7ea7\u5c31\u964d\u5230\u767e\u4e07\u7ea7\u4ee5\u4e0b\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rockyou12 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8fd9\u8be5\u7528\u5404\u79cd\u65f6\u5e8f\u6570\u636e\u5e93\uff0chbase \u4e0d\u662f\u7279\u522b\u597d\u3002\u4f18\u5148\u8003\u8651 influxdb \u8fd9\u7c7b\u7684\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lianglianglee <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u79cd\u573a\u666f\u591a\u9002\u5408\u65f6\u5e8f\u6570\u636e\u5e93\u554a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ychost <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u65f6\u5e8f\u6570\u636e\u5e93 InfluxDB +1\uff0c\u7279\u522b\u9002\u5408\u505a IOT \u6570\u636e\u5b58\u50a8\uff0c\u518d\u914d\u5408 grafana \u7f8e\u6ecb\u6ecb\uff0c\u8c01\u7528\u8c01\u77e5\u9053 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rrfeng <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u6570\u636e\u7ed3\u6784\uff0c\u53ea\u8bf4\u6570\u636e\u91cf\u5c31\u662f\u800d\u6d41\u6c13\u554a\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wellsc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u65f6\u5e8f\u6570\u636e\u5e93+1 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : irockman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f20\u7edf\u6570\u636e\u5e93 mysql\uff1a\u4e00\u53f0\u8f66\u4e00\u5f20\u8868\uff0c\u6309 gps \u6bcf\u5341\u79d2\u4e0a\u62a5\u4e00\u6761\u6570\u636e\uff0c\u4e00\u5e74\u6570\u636e\u91cf 6*60*24*365=3153600 \u6761\u6570\u636e\uff0c\u5355\u8868\u67e5\u8be2\u538b\u529b\u4e0d\u5927\u3002\u6216\u8005\u9009\u62e9\u65f6\u5e8f\u6570\u636e\u5e93 influxdb\uff0c\u4e0d\u8fc7\u96c6\u7fa4\u65b9\u6848\u6536\u8d39\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : alienx717 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5927\u4f17\u7684\u8f66\u8054\u7f51\u9879\u76ee\u81ea\u5df1\u90fd\u7528\u7684 HBASE
    \u4f60\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u3002
    \u53e6\u5916\uff0c\u975e\u5f97\u6bcf 10 \u79d2\u949f\u4e00\u6761\u4e48\uff0c\u6211\u8bb0\u5f97 15 \u79d2\u4e00\u6761\u4e5f\u53ef\u4ee5\u5427\uff0c\u5e94\u8be5\u80fd\u5c11\u4e0d\u5c11\u6570\u636e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : WhoMercy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u51b7\u70ed\u5206\u79bb\uff0c\u591a\u7ea7\u7f13\u5b58\uff0c\u6570\u636e\u9884\u805a\u5408\uff0cData Partition\/Sharding\uff0cDDB \uff08 Distributed DB \uff09…<\/p>\n

    \u5177\u4f53\u600e\u4e48\u5b9e\u65bd\u770b\u60c5\u51b5\u800c\u5b9a\uff0c\u4e00\u65b9\u9762\u770b\u5df2\u6709\u75db\u70b9\u5728\u54ea\uff0c\u4e00\u65b9\u9762\u4f30\u8ba1\u4f1a\u6709\u7684\u74f6\u9888\uff0c\u4e00\u65b9\u9762\u5e73\u8861\u5f00\u53d1\u7684\u590d\u6742\u5ea6 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : soulzz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u540c\u884c\u554a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jwdstefani <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u4eec\u4e4b\u524d\u7684\u8f66\u8d37 GPS \u76d1\u63a7\u7cfb\u7edf\uff0c\u4e00\u53f0\u8f66\u63a5\u4e86 3 \u4e2a\u5382\u5546\u7684 GPS\uff0c\u4e5f\u662f\u7528\u7684 MongoDB,\u6570\u636e\u53ea\u4fdd\u7559\u4e00\u4e2a\u6708\u7684\uff0c\u6570\u636e\u91cf\u4e5f\u662f\u5927\u7684\u4e00\u6279\uff0c\u5c31\u662f\u8f68\u8ff9\u67e5\u8be2\u7684\u65f6\u5019\u5403\u5185\u5b58 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tolbkni <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7ed3\u6784\u5316\u6570\u636e\u53ea\u65b0\u589e\u4e0d\u66f4\u65b0\u7684\u573a\u666f\u53ef\u4ee5\u7528 ClickHouse \u6570\u636e\u5e93 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dkerss <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u63a8\u8350 ClickHouse \u795e\u5668\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : rapperx2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @soulzz \u5927\u4f6c\u554a\u3002\u54c8\u54c8\uff0c\u80fd\u52a0\u4e2a V \u4ea4\u6d41\u5b66\u4e60\u4e0b\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : soulzz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rapperx2 \u4e0d\u662f\u5927\u4f6c\uff0c\u67b6\u5b50\u522b\u4eba\u642d\u7684\uff0c\u6211\u5728\u8fd9\u5929\u5929\u4fee\u4fee\u8865\u8865 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Magic347 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    hive? <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u573a\u666f\uff0cclickhouse \u4f7f\u7528 mergetree \u5f15\u64ce\uff0c\u6839\u636e\u65e5\u671f\u505a\u5206\u533a\uff0c\u8f66\u8f86 ID,timestamp \u6392\u5e8f\uff0cclickhouse \u5bf9\u4e8e float \u7c7b\u578b\u65f6\u5e8f\u6570\u636e\u4e5f\u6709\u7c7b\u4f3c\u65f6\u5e8f\u6570\u636e\u5e93\u7684 Gorilla codec\uff0c\u6709\u6548\u538b\u7f29\u65f6\u5e8f\u6d6e\u70b9\u6570\u636e\u3002clickhouse \u672c\u8eab\u7684\u8bdd\uff0c\u652f\u6301\u5206\u5e03\u5f0f\u3001\u9ad8\u53ef\u7528\uff0c\u652f\u6301 SQL \uff08\u90e8\u5206\uff09\uff0c\u53ef\u4ee5\u7528 http \u63a5\u53e3\u76f4\u63a5\u8bbf\u95ee\uff0c\u4f7f\u7528\u96be\u5ea6\u5f88\u4f4e\u3002\u6027\u80fd\u7684\u8bdd\uff0c\u6211\u4eec\u505a\u8fc7\u4e00\u4e9b\u6d4b\u8bd5\uff0c\u5355\u8282\u70b9 64 \u6838 epyc2+256G \u5185\u5b58\uff0c\u5355\u8868 15 \u4ebf\u884c 20 \u591a\u5217\u7684\u7ebd\u7ea6\u51fa\u79df\u8f66\u6570\u636e\uff0c\u5355\u4e2a\u5168\u8868\u7ea7\u7684 group by+sum \u5927\u6982 200ms \u5de6\u53f3\uff0c\u591a\u4e2a\u7ef4\u5ea6\u7684 group by+\u591a\u4e2a\u805a\u5408\u80fd\u5728 700ms \u5185\u5b8c\u6210\uff0c\u57fa\u672c\u4e0a\u662f\u73b0\u5728\u5206\u6790\u5e93\u7684\u4e0a\u9650\u4e86\u3002https:\/\/clickhouse.tech\/docs\/en\/getting-started\/example-datasets\/nyc-taxi\/ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yjhatfdu2 \u6bd4 hive \u6216\u8005 HBase+mr\/spark \u4e4b\u7c7b\u7684\u7684\u65b9\u6848\u5927\u6982\u4e5f\u5c31\u5feb\u51e0\u767e\u500d\u628a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u987a\u4fbf\uff0c\u73b0\u5728\u5982\u679c\u662f\u5c11\u91cf\u6570\u636e\u7684 update\uff0cclickhouse \u53ef\u4ee5\u4f7f\u7528 mutations \u5b8c\u7f8e\u5b8c\u6210\uff0c\u5982\u679c\u91cf\u5927\u7684\u8bdd\uff0c\u53ef\u4ee5\u7528 collaspemergetree \u5f15\u64ce\uff0c\u53d8\u76f8\u5b9e\u73b0\u6807\u8bb0\u5220\u9664\u5e76\u4e14\u4e0d\u5f71\u54cd\u67e5\u8be2\u7ed3\u679c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ahmcsxcc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u540c clickhouse <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rapperx2 \u6211\u8fd8\u771f\u9020\u4e86\u70b9\u6570\u636e\u6765\u6d4b\u8bd5\u4e00\u4e0b clickhouse \u3002
    \u8868\u7ed3\u6784\uff1a
    create table ts_test
    (
    ts DateTime64 CODEC(DoubleDelta),
    car_id Int32,
    lat Float32 CODEC(Gorilla),
    log Float32 CODEC(Gorilla),
    dir Float32 CODEC(Gorilla)
    ) engine MergeTree() order by (car_id, ts) partition by toDate(ts);
    \u5176\u4e2d\uff0c\u65b9\u5411 dir \u5e73\u5747 100s \u968f\u673a\u5237\u65b0\uff0c\u901f\u5ea6 0-100 \u4e4b\u95f4\u968f\u673a\uff0cts \u7684\u95f4\u9694 1s\u00b1100ms \u5e76\u52a0\u5165\u968f\u673a\u6296\u52a8\uff0c20000 \u8f86\u8f66\uff0c\u6bcf\u8f86\u8f66\u8d77\u59cb\u4f4d\u7f6e\u968f\u673a\uff0c\u7136\u540e\u6a21\u62df\u6bcf\u8f86\u8f66\u8fd0\u52a8\uff0c\u751f\u6210 csv \u6570\u636e\u5bfc\u5165 clickhouse \u3002\u5171\u4f7f\u7528\u4e86 20 \u5206\u949f\u5bfc\u5165\u4e86 983725233(9.8 \u4ebf)\u884c\u6570\u636e\uff0c\u5360\u7528\u786c\u76d8\u7a7a\u95f4 9.45 GiB\uff0c\u5927\u6982\u6bcf 1 \u4ebf\u884c 1G \u3002
    \u7136\u540e\u6d4b\u8bd5\u4e86\u4e00\u4e9b\u7b80\u5355\u7684\u67e5\u8be2\u3002
    Q1: \u67e5\u8be2\u67d0\u4e2a\u8f66\u7684\u5b8c\u6574\u8f68\u8ff9: select * from ts_test where car_id=1;
    \u884c\u6570\u548c\u8017\u65f6\uff1a49187 rows in set. Elapsed: 0.041 sec.
    Q2: \u67e5\u8be2\u8868\u603b\u884c\u6570: select count(*) from ts_test;
    \u884c\u6570\u548c\u8017\u65f6\uff1a1 rows in set. Elapsed: 0.001 sec. \uff08\u4f30\u8ba1\u7f13\u5b58\u4e86\uff09
    Q3: \u67e5\u8be2\u6bcf\u8f86\u8f66\u7684\u6570\u636e\u70b9\u6570\u91cf: select car_id,count(*) from ts_test group by car_id;
    \u884c\u6570\u548c\u8017\u65f6\uff1a20000 rows in set. Elapsed: 0.129 sec.
    Q4: \u67e5\u8be2\u6bcf\u8f86\u8f66\u7684\u6d3b\u52a8\u8303\u56f4\uff08\u77e9\u5f62\uff09:select car_id,min(lat),max(lat),min(log),max(log) from ts_test group by car_id;
    \u884c\u6570\u548c\u8017\u65f6\uff1a20000 rows in set. Elapsed: 0.568 sec.
    Q5: \u67e5\u8be2\u4e00\u8f86\u8f66\u7684\u6d3b\u52a8\u8303\u56f4\uff08\u77e9\u5f62\uff09:select min(lat),max(lat),min(log),max(log) from ts_test where car_id=100;
    \u884c\u6570\u548c\u8017\u65f6\uff1a1 rows in set. Elapsed: 0.003 sec.
    Q6: \u67e5\u8be2\u6bcf\u5c0f\u65f6\u7684\u6570\u636e\u70b9\uff08\u6bcf\u5c0f\u65f6\u7ea6 7200w \uff09\u6570\u91cf: select count(*),toYYYYMMDD(ts)+toHour(ts) as hour from ts_test group by hour;
    \u884c\u6570\u548c\u8017\u65f6\uff1a14 rows in set. Elapsed: 0.347 sec.<\/p>\n

    \u6d4b\u8bd5\u786c\u4ef6\uff1a\u5355\u673a AMD EPYC 7702P 64-Core Processor 64 \u6838\uff0c256G \u5185\u5b58\uff0cSSD
    \u5e0c\u671b\u5bf9\u4e3b\u6709\u5e2e\u52a9 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : gainsurier <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6b6a\u4e2a\u95ee\u4e0b\uff0c\u4e3a\u5565\u8f66\u6bcf\u5929\u8981\u4f20\u90a3\u4e48\u5bf9\u6570\u636e\u56de\u6765 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : calpiswater <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u4ee5\u8003\u8651\u4e0b\u6e05\u534e\u7684 IoTDB <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : likuku <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    aws s3\uff0c\u8fd8\u6709\u5565\u5b58\u4e0d\u4e86\u7684\uff1f<\/p>\n

    \u76f4\u63a5\u8fdb\u5927\u6570\u636e\u670d\u52a1 EMR\uff0c\u8981\u4e48\u6570\u636e\u6e56\uff0c\u7b80\u5355\u67e5\u8be2\uff0c\u76f4\u63a5\u6765 Athena \u67e5 s3 \u4e5f\u6ca1\u95ee\u9898\u554a<\/p>\n

    \u5b9e\u65f6\u5904\u7406\u5206\u6790\uff1f aws \u6709 kinesis \u554a\uff0c\u5404\u79cd\u5e76\u884c\u5b9e\u65f6\u5904\u7406\uff0c\u672c\u6765\u5c31\u662f\u5f88\u9002\u5408\u642d\u914d IoT \/ GPS \u4e1a\u52a1\u573a\u666f\u7684<\/p>\n

    \u975e\u5b9e\u65f6\u5206\u6790\uff0c\u8fd8\u6709 redshift \u6570\u636e\u4ed3\u5e93\u670d\u52a1\u53ef\u4ee5\u7528\uff0c\u66f4\u53ef\u4ee5\u8054\u5408\u67e5\u8be2\uff0c\u64cd\u4f5c\u578b\u5173\u7cfb\u6570\u636e\u5e93\u3002
    \u8de8\u4e00\u4e2a\u6216\u591a\u4e2a Amazon RDS \u548c Aurora PostgreSQL \u6570\u636e\u5e93\u67e5\u8be2\u5b9e\u65f6\u6570\u636e\uff0c\u652f\u6301\u5927\u89c4\u6a21\u5e76\u884c\u6570\u636e\u5904\u7406\u3002<\/p>\n

    \u6709\u5174\u8da3\u6b22\u8fce\u7ee7\u7eed\u4ea4\u6d41\uff5e <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : wd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @gainsurier #30 \u4e00\u822c\u90fd\u4f1a\u8ba4\u4e3a\uff0c\u6570\u636e\u5c31\u662f\u94b1\u5440\uff0c\u8d8a\u591a\u7684\u6570\u636e\u8d8a\u591a\u7684\u94b1\u3002\u6bcf\u5929\u51e0\u4ebf\u51fa\u53bb\u548c\u6295\u8d44\u4eba\u597d\u5439\u725b\u903c\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : rapperx2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yjhatfdu2 \u975e\u5e38\u611f\u8c22\u5927\u4f6c\u8fd9\u4e48\u4e0a\u5fc3\u5e2e\u6211\uff0c\u592a\u611f\u8c22\u4e86\uff0c\u8fde\u6027\u80fd\u6d4b\u8bd5\u90fd\u7ed9\u6211\u4e3e\u4f8b\u51fa\u6765\u4e86\u3002\u6211\u73b0\u5728\u8fd8\u9700\u8981\u5b66\u4e60\u4e0b clickhouse \u3002\u4ece\u6765\u6ca1\u7528\u8fc7\u3002
    \u611f\u89c9\u8fd9\u4e2a\u65b9\u6848\u4e0d\u9519\uff0c\u5148\u53c2\u8003\u4f60\u8fd9\u4e2a\u65b9\u6848\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : rapperx2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @gainsurier \u56e0\u4e3a\u6211\u4eec\u9700\u8981\u5bf9\u8f66\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u548c\u5386\u53f2\u8f68\u8ff9\u56de\u653e\u3002\u8fd8\u8981\u505a\u4e00\u4e9b\u62a5\u8868\u4e4b\u7c7b\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cqdx02 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yjhatfdu2 \u80fd\u5426\u8fdb\u884c\u6570\u636e\u805a\u5408\u5462\uff0c\u6bd4\u5982\u6309\u5206\u949f\u7ea7\uff0c15 \u5206\u949f\u7ea7\u7edf\u8ba1\u6570\u636e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rockcat <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ClickHouse \u6216\u8005 Green Plum \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 0987363 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @soulzz \u72b6\u6001\u4e0d\u5b58\u6570\u636e\u5e93\u7684\u8bdd\uff0c\u90a3\u8981\u7528\u72b6\u6001\u6392\u5e8f\u5c82\u4e0d\u662f\u51c9 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @cqdx02 \u5f53\u7136\u53ef\u4ee5\uff0cgroup by \u5c31\u53ef\u4ee5\uff0c\u770b\u4e0a\u9762\u7684 Q6\uff0c\u4f7f\u7528\u5bf9\u5e94\u7684\u51fd\u6570\u5bf9\u65f6\u95f4\u8fdb\u884c\u5904\u7406\u5c31\u884c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rapperx2 \u5bf9\u4e86\uff0c\u65f6\u95f4\u6233\u7cbe\u5ea6\u8981\u6c42\u4e0d\u9ad8\u7684\u8bdd\uff0c\u53ef\u4ee5\u7528\u4e0d\u9700\u8981\u7528 DateTime64\uff0c\u53ef\u4ee5 DateTime \uff08\u7cbe\u786e\u5230\u79d2\uff09\uff0c\u7ecf\u5ea6\u7ef4\u5ea6\u53ef\u4ee5\u7528 UInt32 CODEC(DoubleDelta),\u65b9\u5411\u4e0d\u9700\u8981\u7684\u8bdd\u53ef\u4ee5\u4e0d\u5b58\uff0c\u8fd9\u6837\u4f30\u8ba1\u8fd8\u80fd\u5c0f\u4e00\u500d\uff0c\u4e5f\u80fd\u5feb\u4e00\u4e9b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : soulzz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @0987363 \u8fd9\u4e2a\u8981\u770b\u5e94\u7528\u573a\u666f\uff0c\u5b9e\u65f6\u72b6\u6001\u5b58\u5e93\u7684\u8bdd\u6570\u636e\u5e93\u538b\u529b\u975e\u5e38\u9ad8 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : caotian <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    TDEngine <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : chinvo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    TimescalaDB <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : rapperx2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yjhatfdu2 \u6211\u6839\u636e\u8f66\u724c \u67e5\u8be2\u65f6\u95f4\u8303\u56f4\u4e00\u4e2a\u6708\u7684\u6570\u636e<\/p>\n

    58516 rows in set. Elapsed: 19.415 sec. Processed 23.93 million rows, 2.17 GB (1.23 million rows\/s., 111.70 MB\/s.) <\/p>\n

    \u8fd9\u4e2a\u67e5\u8be2\u65f6\u95f4\u5c5e\u4e8e\u6b63\u5e38\u7684\u5417\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rapperx2 \u4e0d\u6b63\u5e38\uff0c\u65b9\u4fbf\u770b\u4e00\u4e0b\u8868\u5b9a\u4e49\u548c\u67e5\u8be2\u561b\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rapperx2 \u6e10\u53d8\u8bed\u53e5\u8981\u52a0\u4e0a oder by(\u8f66\u724c,\u65f6\u95f4),\u6211\u6000\u7591\u4f60\u8fd9\u8fb9\u662f\u76f4\u63a5\u6309\u7167\u65e5\u671f\u6392\u5e8f\u4e86\uff0c\u8fd9\u6837\u627e\u4e00\u8f86\u8f66\u7684\u6570\u636e\u4e5f\u8981\u626b\u5168\u8868\uff0c\u7136\u540e\u6570\u636e\u7c7b\u578b\u5efa\u8bae\u4e5f\u518d\u770b\u4e00\u4e0b\u8f66\u724c\u6700\u597d\u7528\u4e2a\u8db3\u591f\u5c0f\u7684 int \u4f5c\u4e3a\uff0c\u518d\u5efa\u4e00\u5f20\u8868\u7528\u6765\u5b58\u8f66\u724c\u548c ID \u7684\u6620\u5c04\uff0c\u67e5\u8be2\u65f6\u4f7f\u7528 join\uff0c\u8fd9\u6837\u80fd\u663e\u8457\u51cf\u5c11\u67e5\u8be2\u7684\u6570\u636e\u91cf\uff08 2300w \u884c\u5c31 2.17GB \u592a\u5927\u4e86\uff09\uff0c\u6570\u636e\u7ed3\u6784\u8d8a\u9ad8\u6548\u6027\u80fd\u8d8a\u9ad8 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : rapperx2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yjhatfdu2 \u80fd\u65b9\u4fbf\u52a0\u4e2a V \u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yjhatfdu2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rapperx2 qq \u5427\uff0cbase64:MjUxNjUwMjky <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6c42\u53cb\u4eec\u5e2e\u52a9\uff0c\u6bcf\u5929\u4ebf\u7ea7\u6570\u636e\u600e\u4e48\u50a8\u5b58 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/106542"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=106542"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/106542\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=106542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=106542"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=106542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}