{"id":83882,"date":"2020-05-10T23:25:20","date_gmt":"2020-05-10T15:25:20","guid":{"rendered":"http:\/\/4563.org\/?p=83882"},"modified":"2020-05-10T23:25:20","modified_gmt":"2020-05-10T15:25:20","slug":"%e5%9b%be%e6%95%b0%e6%8d%ae%e5%ba%93-nebula-graph-%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=83882","title":{"rendered":"\u56fe\u6570\u636e\u5e93 Nebula Graph \u662f\u4ec0\u4e48"},"content":{"rendered":"
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\u56fe\u6570\u636e\u5e93 Nebula Graph \u662f\u4ec0\u4e48 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : NebulaGraph <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\"\u56fe\u6570\u636e\u5e93<\/p>\n

\u56fe\u6570\u636e\u5e93\uff08\u82f1\u8bed\uff1aGraph Database \uff09\u662f\u4e00\u4e2a\u4f7f\u7528\u56fe\u7ed3\u6784\u8fdb\u884c\u8bed\u4e49\u67e5\u8be2\u7684\u6570\u636e\u5e93\u3002\u8be5\u7cfb\u7edf\u7684\u5173\u952e\u6982\u5ff5\u662f\u56fe\uff0c\u5f62\u5f0f\u4e0a\u662f\u70b9 (Node \u6216\u8005 Vertex) \u548c\u8fb9 (Edge \u6216\u8005 Relationship) \u7684\u96c6\u5408\u3002\u4e00\u4e2a\u9876\u70b9\u4ee3\u8868\u4e00\u4e2a\u5b9e\u4f53\uff0c\u6bd4\u5982\uff0c\u67d0\u4e2a\u4eba\uff0c\u8fb9\u5219\u8868\u793a\u4e24\u4e2a\u5b9e\u4f53\u95f4\u7684\u5173\u8054\u5173\u7cfb\uff0c\u6bd4\u5982 \u201c\u4f60\u5173\u6ce8 Nebula Graph\u201d\u7684\u5173\u6ce8\u5173\u7cfb\u3002\u56fe\u5e7f\u6cdb\u5b58\u5728\u4e8e\u73b0\u5b9e\u4e16\u754c\u4e2d\uff0c\u4ece\u793e\u4ea4\u7f51\u7edc\u5230\u98ce\u63a7\u573a\u666f\u3001\u4ece\u77e5\u8bc6\u56fe\u8c31\u5230\u667a\u80fd\u63a8\u8350\u3002<\/p>\n

Nebula Graph \u662f\u4ec0\u4e48<\/h2>\n

Nebula Graph \u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u56fe\u6570\u636e\u5e93\uff0c\u64c5\u957f\u5904\u7406\u5343\u4ebf\u4e2a\u9876\u70b9\u548c\u4e07\u4ebf\u6761\u8fb9\u7684\u8d85\u5927\u89c4\u6a21\u6570\u636e\u96c6\u3002\u63d0\u4f9b\u9ad8\u541e\u5410\u91cf\u3001\u4f4e\u5ef6\u65f6\u7684\u8bfb\u5199\u80fd\u529b\uff0c\u5185\u7f6e ACL \u673a\u5236\u548c\u7528\u6237\u9274\u6743\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u5b89\u5168\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u65b9\u5f0f\u3002<\/p>\n

\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u9ad8\u53ef\u9760\u7684\u56fe\u6570\u636e\u5e93\uff0cNebula Graph \u63d0\u4f9b\u4e86\u7ebf\u6027\u6269\u5bb9\u7684\u80fd\u529b\uff0c\u652f\u6301\u5feb\u7167\u65b9\u5f0f\u5b9e\u73b0\u6570\u636e\u6062\u590d\u529f\u80fd\u3002\u5728\u67e5\u8be2\u8bed\u8a00\u65b9\u9762\uff0c\u5f00\u53d1\u56e2\u961f\u5b8c\u5168\u81ea\u7814\u5f00\u53d1\u67e5\u8be2\u8bed\u8a00\u2014\u2014nGQL\uff0c\u5e76\u4e14\u540e\u7eed\u4f1a\u517c\u5bb9 OpenCypher \u63a5\u53e3\uff0c\u8ba9 Neo4j \u7684\u7528\u6237\u53ef\u65e0\u7f1d\u8854\u63a5\u4f7f\u7528 Nebula Graph \u3002<\/p>\n

Nebula Graph \u7279\u6027<\/h2>\n
    \n
  • \u5f00\u6e90<\/strong>\uff1aNebula Graph \u4ee3\u7801\u5f00\u6e90\uff0c\u91c7\u7528 Apache 2.0 License\uff0c\u7528\u6237\u53ef\u4ee5\u4ece GitHub \u4e0b\u8f7d\u6e90\u7801\u81ea\u5df1\u7f16\u8bd1\uff0c\u90e8\u7f72\u3002\u6b22\u8fce\u63d0\u4ea4 pr\uff0c\u6210\u4e3a Contributor \u3002<\/li>\n
  • \u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u5b58\u50a8\u8ba1\u7b97\u76f8\u5206\u79bb\u7684\u67b6\u6784\uff0c\u5f53\u5b58\u50a8\u7a7a\u95f4\u6216\u8ba1\u7b97\u8d44\u6e90\u4e0d\u8db3\u65f6\uff0c\u652f\u6301\u5bf9\u4e24\u8005\u72ec\u7acb\u8fdb\u884c\u6269\u5bb9\uff0c\u907f\u514d\u4e86\u4f20\u7edf\u67b6\u6784\u9700\u8981\u540c\u65f6\u6269\u5bb9\u5bfc\u81f4\u7684\u7ecf\u6d4e\u6548\u7387\u4f4e\u95ee\u9898\u3002\u4e91\u8ba1\u7b97\u573a\u666f\u4e0b\uff0c\u80fd\u5b9e\u73b0\u771f\u6b63\u7684\u5f39\u6027\u8ba1\u7b97\u3002\u63d0\u4f9b\u7ebf\u6027\u6269\u5c55\u7684\u80fd\u529b\u3002<\/li>\n
  • \u9ad8\u53ef\u7528<\/strong>\uff1a\u5168\u5bf9\u79f0\u5206\u5e03\u5f0f\u96c6\u7fa4\uff0c\u65e0\u5355\u70b9\u6545\u969c\u3002\u5e76\u4e14\u652f\u6301\u591a\u79cd\u7c7b\u578b\u5feb\u7167\u65b9\u5f0f\u5b9e\u73b0\u6570\u636e\u6062\u590d\uff0c\u4fdd\u8bc1\u5728\u5c40\u90e8\u5931\u8d25\u7684\u60c5\u51b5\u4e0b\u670d\u52a1\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n
  • HTAP<\/strong>: \u652f\u6301 OLTP \u5b9e\u65f6\u67e5\u8be2\u7684\u540c\u65f6\u63d0\u4f9b\u4e86 OLAP \u7684\u63a5\u53e3\uff0c\u771f\u6b63\u5728\u540c\u4e00\u4efd\u6570\u636e\u4e0a\u63d0\u4f9b\u5b9e\u65f6\u5728\u7ebf\u66f4\u65b0\u7684\u524d\u63d0\u4e0b\uff0c\u4e5f\u63d0\u4f9b\u590d\u6742\u5206\u6790\u548c\u6316\u6398\u7684\u80fd\u529b\u3002<\/li>\n
  • \u5b89\u5168\u6027<\/strong>\uff1a\u5185\u7f6e\u6388\u6743\u767b\u5f55\u4e0e ACL \u673a\u5236\uff0c\u63d0\u4f9b\u7528\u6237\u5b89\u5168\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u65b9\u5f0f\uff0c\u4e5f\u53ef\u63a5\u5165 LDAP \u8ba4\u8bc1\u3002<\/li>\n
  • \u7c7b SQL \u67e5\u8be2\u8bed\u8a00 nGQL<\/strong>\uff1a\u7c7b SQL \u7684\u98ce\u683c\u51cf\u5c11\u4e86\u7a0b\u5e8f\u5458\u8fc1\u79fb\u7684\u6210\u672c\uff0c\u540c\u65f6\u5177\u6709\u8868\u8fbe\u80fd\u529b\u5f3a\u7684\u4f18\u70b9\u3002<\/li>\n<\/ul>\n

    Nebula Graph \u67b6\u6784<\/h2>\n

    \"\u56fe\u6570\u636e\u5e93<\/p>\n

    Nebula Graph 1.0 \u529f\u80fd<\/h2>\n

    \u57fa\u7840\u529f\u80fd<\/h3>\n
      \n
    • \u591a\u56fe\u7a7a\u95f4<\/strong>\uff1a\u652f\u6301\u591a\u56fe\u7a7a\u95f4\uff0c\u4e0d\u540c\u7684\u56fe\u7a7a\u95f4\u7684\u6570\u636e\u7269\u7406\u9694\u79bb\uff0c\u5e76\u4e14\u53ef\u8bbe\u7f6e\u4e0d\u540c\u7684\u526f\u672c\u6570\uff0c\u4ee5\u5e94\u5bf9\u4e0d\u540c\u7684\u53ef\u7528\u6027\u8981\u6c42\u3002<\/li>\n
    • \u9876\u70b9<\/strong>\uff1a\u652f\u6301\u57fa\u672c\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u652f\u6301\u591a\u79cd\u9876\u70b9\u7c7b\u578b\uff0c\u4e5f\u652f\u6301\u540c\u4e00\u9876\u70b9\u6709\u591a\u79cd\u7c7b\u578b\u3002<\/li>\n
    • \u8fb9<\/strong>\uff1a\u652f\u6301\u57fa\u672c\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u652f\u6301\u6709\u5411\u56fe\uff0c\u652f\u6301\u8282\u70b9\u95f4\u5b58\u5728\u540c\u4e00\u79cd\u7c7b\u578b\u6216\u8005\u4e0d\u540c\u7c7b\u578b\u7684\u591a\u6761\u8fb9\u3002<\/li>\n
    • Schema<\/strong>\uff1aTag \/ EdgeType \u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u652f\u6301\u5bf9\u5c5e\u6027\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u3002\u4e00\u4e2a\u70b9\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a Tag \u3002<\/li>\n
    • \u805a\u5408\u64cd\u4f5c<\/strong>\uff1a\u805a\u5408\u51fd\u6570 GROUP BY \u3001\u6392\u5e8f\u51fd\u6570 ORDER BY \u3001\u9650\u5b9a\u51fd\u6570 LIMIT \u81ea\u7531\u7ec4\u5408\u8fd4\u56de\u6240\u9700\u6570\u636e\u3002<\/li>\n
    • \u7ec4\u5408\u67e5\u8be2<\/strong>\uff1aUNION\uff0cUNION DISTINCT\uff0cINTERSECT\uff0cMINUS \u5bf9\u6570\u636e\u96c6\u8fdb\u884c\u7ec4\u5408\u67e5\u8be2\u3002<\/li>\n
    • \u6761\u4ef6\u67e5\u8be2 \/\u66f4\u65b0<\/strong>\uff1aIF…RETURN \u548c\u00a0UPDATE … WHEN \u6839\u636e\u6307\u5b9a\u6761\u4ef6\u67e5\u8be2 \/\u66f4\u65b0\u6570\u636e\u3002<\/li>\n
    • Partition<\/strong>: \u652f\u6301\u67e5\u770b\u6570\u636e\u5206\u7247\u4fe1\u606f\uff0c\u4ee5\u53ca Partition \u5bf9\u5e94\u7684 leader \u4fe1\u606f\u3002<\/li>\n
    • \u9876\u70b9 ID \u7b56\u7565<\/strong>\uff1a\u652f\u6301\u7528\u6237\u81ea\u5b9a\u4e49 int64 ID, \u5185\u7f6e hash() \u548c uuid() \u51fd\u6570\u751f\u6210\u9876\u70b9 ID \u3002<\/li>\n
    • \u7d22\u5f15<\/strong>\uff1a\u652f\u6301\u7d22\u5f15\u3001\u8054\u5408\u7d22\u5f15\uff0c\u5bf9\u5df2\u5efa\u7acb\u7d22\u5f15\u7684\u6570\u636e\uff0c\u6309\u6761\u4ef6\u67e5\u627e\u5feb\u901f\u67e5\u627e\u6570\u636e\u3002<\/li>\n
    • \u7ba1\u9053\u67e5\u8be2<\/strong>: \u7ba1\u9053\u7b26\u524d\u9762\u67e5\u8be2\u8bed\u53e5\u7684\u8f93\u51fa\u53ef\u4f5c\u4e3a\u7ba1\u9053\u7b26\u540e\u9762\u547d\u4ee4\u7684\u8f93\u5165\u3002<\/li>\n
    • \u7528\u6237\u5b9a\u4e49\u53d8\u91cf<\/strong>\uff1a\u7528\u6237\u81ea\u5b9a\u4e49\u53d8\u91cf\u53ef\u6682\u65f6\u5c06\u67e5\u8be2\u7ed3\u679c\u5b58\u50a8\u5728\u81ea\u5b9a\u4e49\u7684\u53d8\u91cf\u4e2d\uff0c\u5e76\u5728\u968f\u540e\u67e5\u8be2\u8bed\u53e5\u4e2d\u4f7f\u7528\u3002<\/li>\n
    • \u591a\u79cd\u5b57\u7b26\u96c6<\/strong>\u3001\u5b57\u7b26\u7f16\u7801<\/strong><\/li>\n<\/ul>\n

      \u9ad8\u7ea7\u529f\u80fd<\/h3>\n
        \n
      • \u6743\u9650\u7ba1\u7406<\/strong>:\u00a0\u652f\u6301\u7528\u6237\u6743\u9650\u8ba4\u8bc1\uff0c\u652f\u6301\u7528\u6237\u89d2\u8272\u8bbf\u95ee\u63a7\u5236\u3002\u53ef\u8f7b\u677e\u5bf9\u63a5\u73b0\u6709\u7528\u6237\u8ba4\u8bc1\u7cfb\u7edf\u3002\u00a0Nebula Graph \u63d0\u4f9b\u4e94\u79cd\u89d2\u8272\u6743\u9650\uff1aGOD \u3001ADMIN \u3001DBA \u3001USER \u548c GUEST \u3002<\/li>\n
      • \u7a20\u5bc6\u70b9<\/strong>\uff1a\u5bf9\u4e8e\u8d85\u7ea7\u9876\u70b9\u652f\u6301\u84c4\u6c34\u6c60\u91c7\u6837,\u00a0\u5728\u53ea\u904d\u5386\u4e00\u904d\u6570\u636e\uff08 O(N)\uff09\u7684\u60c5\u51b5\u4e0b\uff0c\u968f\u673a\u7684\u62bd\u53d6 k \u4e2a\u5143\u7d20\u3002<\/li>\n
      • \u96c6\u7fa4\u5feb\u7167<\/strong>\uff1a\u652f\u6301\u4ee5\u96c6\u7fa4\u7ef4\u5ea6\u521b\u5efa\u5feb\u7167\uff0c\u63d0\u4f9b\u5728\u7ebf\u7684\u6570\u636e\u5907\u4efd\u529f\u80fd\uff0c\u5feb\u901f\u6062\u590d\u3002<\/li>\n
      • TTL<\/strong>\uff1a\u652f\u6301\u8bbe\u7f6e\u6570\u636e\u7684\u6709\u6548\u671f\uff0c\u5feb\u901f\u6e05\u7406\u8fc7\u671f\u6570\u636e\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n
      • Job Manager<\/strong>\uff1aJob \u7ba1\u7406\u8c03\u5ea6\u5de5\u5177\uff0c\u76ee\u524d\u652f\u6301 Compaction \/ Flush \u64cd\u4f5c\u3002<\/li>\n
      • \u652f\u6301\u5728\u7ebf\u6269\u7f29\u5bb9\u4ee5\u53ca\u8d1f\u8f7d\u5747\u8861<\/strong><\/li>\n
      • \u56fe\u7b97\u6cd5<\/strong>\uff1a\u652f\u6301\u5168\u8def\u5f84 \/ \u6700\u77ed\u8def\u5f84\u7b97\u6cd5\u3002<\/li>\n
      • \u63d0\u4f9b OLAP \u63a5\u53e3\uff0c\u5bf9\u63a5\u56fe\u8ba1\u7b97\u5e73\u53f0<\/strong>\u3002<\/li>\n
      • \u76d1\u63a7\u63a5\u53e3<\/strong>\uff1a\u652f\u6301\u7cfb\u7edf\u72b6\u6001\u76d1\u63a7\u3001API \u8bbf\u95ee\u65f6\u95f4\u76d1\u63a7\u3001\u6027\u80fd\u6570\u636e\u76d1\u63a7\u7b49\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

        \u5ba2\u6237\u7aef<\/h3>\n
          \n
        • Java \u5ba2\u6237\u7aef\uff1a\u53ef\u81ea\u884c\u7f16\u8bd1\u6216\u8005\u4ece mvn \u4ed3\u5e93\u8fdb\u884c\u4e0b\u8f7d\u3002<\/li>\n
        • Python \u5ba2\u6237\u7aef\uff1a\u53ef\u901a\u8fc7\u6e90\u7801\u5b89\u88c5\u6216\u8005 pip \u8fdb\u884c\u5b89\u88c5\u3002<\/li>\n
        • Go \u5ba2\u6237\u7aef\uff1a\u53ef\u901a\u8fc7 go get -u -v github.com\/vesoft-inc\/nebula-go<\/code>\u00a0\u5b89\u88c5\u4f7f\u7528\u3002<\/li>\n<\/ul>\n

          \u5468\u8fb9\u5de5\u5177<\/h3>\n
            \n
          • Nebula Graph Studio<\/strong>\uff1a\u57fa\u4e8e Web \u7684\u53ef\u89c6\u5316\u73af\u5883\uff0c\u63d0\u4f9b\u56fe\u64cd\u4f5c\u754c\u9762\u3001\u56fe\u6570\u636e\u5c55\u793a\u4e0e\u5206\u6790\u3002\u89c1 Nebula Graph Studio<\/li>\n
          • \u5bfc\u5165\u5de5\u5177<\/strong>\n
              \n
            • Nebula Importer\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684 CSV \u6587\u4ef6\u5bfc\u5165\u5de5\u5177\uff0c\u652f\u6301\u5bfc\u5165\u672c\u5730\u548c\u8fdc\u7a0b\u6587\u4ef6\u3002\u89c1 Nebula-Importer<\/li>\n
            • Spark Writer \u57fa\u4e8e Spark \u7684\u5206\u5e03\u5f0f\u6570\u636e\u5bfc\u5165\u5de5\u5177\u3002\u89c1 Spark Writer<\/li>\n<\/ul>\n<\/li>\n
            • \u5bfc\u51fa\u5de5\u5177<\/strong>\n
                \n
              • Dump Tool\uff0c\u5355\u673a\u79bb\u7ebf\u6570\u636e\u5bfc\u51fa\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u5bfc\u51fa\u6216\u7edf\u8ba1\u6307\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \u7b2c\u4e09\u65b9\u652f\u6301<\/strong>\n
                  \n
                • \u5bf9\u63a5 Prometheus \u7cfb\u7edf\u4ee5\u53ca Grafana \u53ef\u89c6\u5316\u7ec4\u4ef6\uff0c\u652f\u6301 Ansible \u548c Kubernetes \u90e8\u7f72\uff0c\u53ef\u5b9e\u65f6\u76d1\u63a7\u96c6\u7fa4\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  Nebula Graph \u4e00\u4e2a\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u56fe\u6570\u636e\u5e93\uff0c\u5982\u679c\u4f60\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9047\u5230\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u5728\u8bba\u575b\uff1ahttps:\/\/discuss.nebula-graph.com.cn\/\u00a0\u548c GitHub\uff1ahttps:\/\/github.com\/vesoft-inc\/nebula\u00a0\u5f97\u5230\u5e2e\u52a9 \ud83d\ude42<\/p>\n<\/p><\/div>\n

                  \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>) <\/div>\n
                  <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
                    \n
                  • \n","protected":false},"excerpt":{"rendered":"

                    \u56fe\u6570\u636e\u5e93 Nebula Graph…<\/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\/83882"}],"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=83882"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/83882\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83882"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}