{"id":137002,"date":"2020-07-22T05:12:15","date_gmt":"2020-07-21T21:12:15","guid":{"rendered":"http:\/\/4563.org\/?p=137002"},"modified":"2020-07-22T05:12:15","modified_gmt":"2020-07-21T21:12:15","slug":"%e6%b5%85%e6%9e%90%e5%9b%be%e6%95%b0%e6%8d%ae%e5%ba%93-nebula-graph-%e6%95%b0%e6%8d%ae%e5%af%bc%e5%85%a5%e5%b7%a5%e5%85%b7-spark-writer","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=137002","title":{"rendered":"\u6d45\u6790\u56fe\u6570\u636e\u5e93 Nebula Graph \u6570\u636e\u5bfc\u5165\u5de5\u5177\u2014\u2014Spark Writer"},"content":{"rendered":"
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\u6d45\u6790\u56fe\u6570\u636e\u5e93 Nebula Graph \u6570\u636e\u5bfc\u5165\u5de5\u5177\u2014\u2014Spark Writer <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : NebulaGraph <\/span> <\/i> 7<\/span> <\/div>\n
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\"\u6d45\u6790\u56fe\u6570\u636e\u5e93<\/p>\n

\u4ece Hadoop \u8bf4\u8d77<\/h2>\n

\u8fd1\u5e74\u6765\u968f\u7740\u5927\u6570\u636e\u7684\u5174\u8d77\uff0c\u5206\u5e03\u5f0f\u8ba1\u7b97\u5f15\u64ce\u5c42\u51fa\u4e0d\u7a77\u3002Hadoop \u662f Apache \u5f00\u6e90\u7ec4\u7ec7\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f\u8ba1\u7b97\u5f00\u6e90\u6846\u67b6\uff0c\u5728\u5f88\u591a\u5927\u578b\u7f51\u7ad9\u4e0a\u90fd\u5df2\u7ecf\u5f97\u5230\u4e86\u5e94\u7528\u3002Hadoop \u7684\u8bbe\u8ba1\u6838\u5fc3\u601d\u60f3\u6765\u6e90\u4e8e Google MapReduce \u8bba\u6587\uff0c\u7075\u611f\u6765\u81ea\u4e8e\u51fd\u6570\u5f0f\u8bed\u8a00\u4e2d\u7684 map \u548c reduce \u65b9\u6cd5\u3002\u5728\u51fd\u6570\u5f0f\u8bed\u8a00\u4e2d\uff0cmap \u8868\u793a\u9488\u5bf9\u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u4e00\u4e2a\u65b9\u6cd5\uff0creduce \u8868\u793a\u9488\u5bf9\u5217\u8868\u4e2d\u7684\u5143\u7d20\u505a\u8fed\u4ee3\u8ba1\u7b97\u3002\u901a\u8fc7 MapReduce \u7b97\u6cd5\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u6839\u636e\u67d0\u4e9b\u7279\u5f81\u8fdb\u884c\u5206\u7c7b\u89c4\u7ea6\uff0c\u5904\u7406\u5e76\u5f97\u5230\u6700\u7ec8\u7684\u7ed3\u679c\u3002<\/p>\n

\u518d\u8c08 Apache Spark<\/h2>\n

Apache Spark \u662f\u4e00\u4e2a\u56f4\u7ed5\u901f\u5ea6\u3001\u6613\u7528\u6027\u6784\u5efa\u7684\u901a\u7528\u5185\u5b58\u5e76\u884c\u8ba1\u7b97\u6846\u67b6\u3002\u5728 2009 \u5e74\u7531\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821 AMP \u5b9e\u9a8c\u5ba4\u5f00\u53d1\uff0c\u5e76\u4e8e 2010 \u5e74\u6210\u4e3a Apache \u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u9879\u76ee\u3002Spark \u501f\u9274\u4e86 Hadoop \u7684\u8bbe\u8ba1\u601d\u60f3\uff0c\u7ee7\u627f\u4e86\u5176\u5206\u5e03\u5f0f\u5e76\u884c\u8ba1\u7b97\u7684\u4f18\u70b9\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7b97\u5b50\u3002<\/p>\n

Spark \u63d0\u4f9b\u4e86\u4e00\u4e2a\u5168\u9762\u3001\u7edf\u4e00\u7684\u6846\u67b6\u7528\u4e8e\u7ba1\u7406\u5404\u79cd\u6709\u7740\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u6e90\u7684\u5927\u6570\u636e\u5904\u7406\u9700\u6c42\uff0c\u652f\u6301\u6279\u91cf\u6570\u636e\u5904\u7406\u4e0e\u6d41\u5f0f\u6570\u636e\u5904\u7406\u3002Spark \u652f\u6301\u5185\u5b58\u8ba1\u7b97\uff0c\u6027\u80fd\u76f8\u6bd4\u8d77 Hadoop \u6709\u7740\u5de8\u5927\u63d0\u5347\u3002Spark \u652f\u6301 Java\uff0cScala \u548c Python \u4e09\u79cd\u8bed\u8a00\u8fdb\u884c\u7f16\u7a0b\uff0c\u652f\u6301\u4ee5\u64cd\u4f5c\u672c\u5730\u96c6\u5408\u7684\u65b9\u5f0f\u64cd\u4f5c\u5206\u5e03\u5f0f\u6570\u636e\u96c6\uff0c\u5e76\u4e14\u652f\u6301\u4ea4\u4e92\u67e5\u8be2\u3002\u9664\u4e86\u7ecf\u5178\u7684 MapReduce \u64cd\u4f5c\u4e4b\u5916\uff0cSpark \u8fd8\u652f\u6301 SQL \u67e5\u8be2\u3001\u6d41\u5f0f\u5904\u7406\u3001\u673a\u5668\u5b66\u4e60\u548c\u56fe\u8ba1\u7b97\u3002<\/p>\n

\"\u6d45\u6790\u56fe\u6570\u636e\u5e93<\/p>\n

\u5f39\u6027\u5206\u5e03\u5f0f\u6570\u636e\u96c6\uff08 RDD\uff0cResilient Distributed Dataset \uff09\u662f Spark \u6700\u57fa\u672c\u7684\u62bd\u8c61\uff0c\u4ee3\u8868\u4e0d\u53ef\u53d8\u7684\u5206\u533a\u6570\u636e\u96c6\u3002RDD \u5177\u6709\u53ef\u5bb9\u9519\u548c\u4f4d\u7f6e\u611f\u77e5\u8c03\u5ea6\u7684\u7279\u70b9\u3002\u64cd\u4f5c RDD \u5c31\u5982\u540c\u64cd\u4f5c\u672c\u5730\u6570\u636e\u96c6\u5408\uff0c\u800c\u4e0d\u5fc5\u5173\u5fc3\u4efb\u52a1\u8c03\u5ea6\u4e0e\u5bb9\u9519\u7b49\u95ee\u9898\u3002RDD \u5141\u8bb8\u7528\u6237\u5728\u6267\u884c\u591a\u4e2a\u67e5\u8be2\u65f6\uff0c\u663e\u793a\u5730\u5c06\u5de5\u4f5c\u96c6\u5408\u7f13\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u540e\u7eed\u67e5\u8be2\u80fd\u591f\u91cd\u7528\u8be5\u6570\u636e\u96c6\u3002RDD \u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u8f6c\u6362\u5c31\u5c31\u5f62\u6210\u4e86 DAG\uff0c\u6839\u636e RDD \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u7684\u4e0d\u540c\u5c06 DAG \u5212\u5206\u6210\u4e0d\u540c\u7684 Stage \u3002<\/p>\n

\u4e0e RDD \u76f8\u4f3c\uff0cDataFrame \u4e5f\u662f\u4e00\u4e2a\u4e0d\u53ef\u53d8\u5206\u5e03\u5f0f\u6570\u636e\u96c6\u5408\u3002\u533a\u522b\u4e8e RDD\uff0cDataFrame \u4e2d\u7684\u6570\u636e\u88ab\u7ec4\u7ec7\u5230\u6709\u540d\u5b57\u7684\u5217\u4e2d\uff0c\u5c31\u5982\u540c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002\u8bbe\u8ba1 DataFrame \u7684\u76ee\u7684\u5c31\u662f\u8981\u8ba9\u5bf9\u5927\u578b\u6570\u636e\u96c6\u7684\u5904\u7406\u53d8\u5f97\u66f4\u7b80\u5355\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u4e3a\u5206\u5e03\u5f0f\u6570\u636e\u96c6\u6307\u5b9a\u4e00\u4e2a\u6a21\u5f0f\uff0c\u4fbf\u4e8e\u8fdb\u884c\u66f4\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61\u3002<\/p>\n

DataSet \u662f\u4e00\u4e2a\u652f\u6301\u5f3a\u7c7b\u578b\u7684\u7279\u5b9a\u9886\u57df\u5bf9\u8c61\uff0c\u8fd9\u79cd\u5bf9\u8c61\u53ef\u4ee5\u51fd\u6570\u5f0f\u6216\u8005\u5173\u7cfb\u64cd\u4f5c\u5e76\u884c\u5730\u8f6c\u6362\u3002DataSet \u5c31\u662f\u4e00\u4e9b\u6709\u660e\u786e\u7c7b\u578b\u5b9a\u4e49\u7684 JVM \u5bf9\u8c61\u7684\u96c6\u5408\uff0c\u53ef\u4ee5\u901a\u8fc7 Scala \u4e2d\u5b9a\u4e49\u7684 Case Class \u6216\u8005 Java \u4e2d\u7684 Class \u6765\u6307\u5b9a\u3002DataFrame \u662f Row \u7c7b\u578b\u7684 Dataset\uff0c\u5373 Dataset[Row]\u3002DataSet \u7684 API \u662f\u5f3a\u7c7b\u578b\u7684\uff1b\u800c\u4e14\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u6a21\u5f0f\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n

DataFrame \u4e0e DataSet \u53ea\u5728\u6267\u884c\u884c\u52a8\u64cd\u4f5c\u65f6\u89e6\u53d1\u8ba1\u7b97\u3002\u672c\u8d28\u4e0a\uff0c\u6570\u636e\u96c6\u8868\u793a\u4e00\u4e2a\u903b\u8f91\u8ba1\u5212\uff0c\u8be5\u8ba1\u5212\u63cf\u8ff0\u4e86\u4ea7\u751f\u6570\u636e\u6240\u9700\u7684\u8ba1\u7b97\u3002\u5f53\u6267\u884c\u884c\u52a8\u64cd\u4f5c\u65f6\uff0cSpark \u7684\u67e5\u8be2\u4f18\u5316\u7a0b\u5e8f\u4f18\u5316\u903b\u8f91\u8ba1\u5212\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u9ad8\u6548\u7684\u5e76\u884c\u548c\u5206\u5e03\u5f0f\u7269\u7406\u8ba1\u5212\u3002<\/p>\n

\"\u6d45\u6790\u56fe\u6570\u636e\u5e93<\/p>\n

\u57fa\u4e8e Spark \u7684\u6570\u636e\u5bfc\u5165\u5de5\u5177<\/h2>\n

Spark Writer \u662f Nebula Graph \u57fa\u4e8e Spark \u7684\u5206\u5e03\u5f0f\u6570\u636e\u5bfc\u5165\u5de5\u5177\uff0c\u57fa\u4e8e DataFrame \u5b9e\u73b0\uff0c\u80fd\u591f\u5c06\u591a\u79cd\u6570\u636e\u6e90\u4e2d\u7684\u6570\u636e\u8f6c\u5316\u4e3a\u56fe\u7684\u70b9\u548c\u8fb9\u6279\u91cf\u5bfc\u5165\u5230\u56fe\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n

\u76ee\u524d\u652f\u6301\u7684\u6570\u636e\u6e90\u6709\uff1aHive \u548c HDFS \u3002<\/p>\n

Spark Writer \u652f\u6301\u540c\u65f6\u5bfc\u5165\u591a\u4e2a\u6807\u7b7e\u4e0e\u8fb9\u7c7b\u578b\uff0c\u4e0d\u540c\u6807\u7b7e\u4e0e\u8fb9\u7c7b\u578b\u53ef\u4ee5\u914d\u7f6e\u4e0d\u540c\u7684\u6570\u636e\u6e90\u3002<\/p>\n

Spark Writer \u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\uff0c\u4ece\u6570\u636e\u4e2d\u751f\u6210\u4e00\u6761\u63d2\u5165\u8bed\u53e5\uff0c\u53d1\u9001\u7ed9\u67e5\u8be2\u670d\u52a1\uff0c\u6267\u884c\u63d2\u5165\u64cd\u4f5c\u3002Spark Writer \u4e2d\u63d2\u5165\u64cd\u4f5c\u4f7f\u7528\u5f02\u6b65\u6267\u884c\uff0c\u901a\u8fc7 Spark \u4e2d\u7d2f\u52a0\u5668\u7edf\u8ba1\u6210\u529f\u4e0e\u5931\u8d25\u6570\u91cf\u3002<\/p>\n

\u83b7\u53d6 Spark Writer<\/h2>\n

\u7f16\u8bd1\u6e90\u7801<\/h3>\n
git clone https:\/\/github.com\/vesoft-inc\/nebula.git   cd nebula\/src\/tools\/spark-sstfile-generator   mvn compile package <\/code><\/pre>\n
\u6807\u7b7e\u6570\u636e\u6587\u4ef6\u683c\u5f0f<\/h4>\n
\u6807\u7b7e\u6570\u636e\u6587\u4ef6\u7531\u4e00\u884c\u4e00\u884c\u7684\u6570\u636e\u7ec4\u6210\uff0c\u6587\u4ef6\u4e2d\u6bcf\u4e00\u884c\u8868\u793a\u4e00\u4e2a\u70b9\u548c\u5b83\u7684\u5c5e\u6027\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u7b2c\u4e00\u5217\u4e3a\u70b9\u7684 ID \u2014\u2014\u6b64\u5217\u7684\u540d\u79f0\u5c06\u5728\u540e\u6587\u7684\u6620\u5c04\u6587\u4ef6\u4e2d\u6307\u5b9a\uff0c\u5176\u4ed6\u5217\u4e3a\u70b9\u7684\u5c5e\u6027\u3002\u4f8b\u5982 Play \u6807\u7b7e\u6570\u636e\u6587\u4ef6\u683c\u5f0f\uff1a<\/p>\n
{\"id\":100,\"name\":\"Tim Duncan\",\"age\":42}   {\"id\":101,\"name\":\"Tony Parker\",\"age\":36}   {\"id\":102,\"name\":\"LaMarcus Aldridge\",\"age\":33} <\/code><\/pre>\n
\u8fb9\u7c7b\u578b\u6570\u636e\u6587\u4ef6\u683c\u5f0f<\/h4>\n
\u8fb9\u7c7b\u578b\u6570\u636e\u6587\u4ef6\u7531\u4e00\u884c\u4e00\u884c\u7684\u6570\u636e\u7ec4\u6210\uff0c\u6587\u4ef6\u4e2d\u6bcf\u4e00\u884c\u8868\u793a\u4e00\u6761\u8fb9\u548c\u5b83\u7684\u5c5e\u6027\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u7b2c\u4e00\u5217\u4e3a\u8d77\u70b9 ID\uff0c\u7b2c\u4e8c\u5217\u4e3a\u7ec8\u70b9 ID\uff0c\u8d77\u70b9 ID \u5217\u53ca\u7ec8\u70b9 ID \u5217\u4f1a\u5728\u6620\u5c04\u6587\u4ef6\u4e2d\u6307\u5b9a\u3002\u5176\u4ed6\u5217\u4e3a\u8fb9\u5c5e\u6027\u3002\u4e0b\u9762\u4ee5 JSON \u683c\u5f0f\u4e3a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
\u4ee5\u8fb9\u7c7b\u578b follow \u6570\u636e\u4e3a\u4f8b\uff1a<\/p>\n
{\"source\":100,\"target\":101,\"likeness\":95}   {\"source\":101,\"target\":100,\"likeness\":95}   {\"source\":101,\"target\":102,\"likeness\":90}   {\"source\":100,\"target\":101,\"likeness\":95,\"ranking\":2}   {\"source\":101,\"target\":100,\"likeness\":95,\"ranking\":1}   {\"source\":101,\"target\":102,\"likeness\":90,\"ranking\":3} <\/code><\/pre>\n
\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f<\/h4>\n
Spark Writer \u4f7f\u7528 HOCON \u914d\u7f6e\u6587\u4ef6\u683c\u5f0f\u3002HOCON \uff08 Human-Optimized Config Object Notation \uff09\u662f\u4e00\u4e2a\u6613\u4e8e\u4f7f\u7528\u7684\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f\uff0c\u5177\u6709\u9762\u5411\u5bf9\u8c61\u98ce\u683c\u3002\u914d\u7f6e\u6587\u4ef6\u7531 Spark \u914d\u7f6e\u6bb5\uff0cNebula \u914d\u7f6e\u6bb5\uff0c\u4ee5\u53ca\u6807\u7b7e\u914d\u7f6e\u6bb5\u548c\u8fb9\u914d\u7f6e\u6bb5\u56db\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n
Spark \u4fe1\u606f\u914d\u7f6e\u4e86 Spark \u8fd0\u884c\u7684\u76f8\u5173\u53c2\u6570\uff0cNebula \u76f8\u5173\u4fe1\u606f\u914d\u7f6e\u4e86\u8fde\u63a5 Nebula \u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u7b49\u4fe1\u606f\u3002tags \u6620\u5c04\u548c edges \u6620\u5c04\u5206\u522b\u5bf9\u5e94\u591a\u4e2a tag\/edge \u7684\u8f93\u5165\u6e90\u6620\u5c04\uff0c\u63cf\u8ff0\u6bcf\u4e2a tag\/edge \u7684\u6570\u636e\u6e90\u7b49\u57fa\u672c\u4fe1\u606f\uff0c\u4e0d\u540c tag\/edge \u53ef\u4ee5\u6765\u81ea\u4e0d\u540c\u6570\u636e\u6e90\u3002<\/p>\n
Nebula \u914d\u7f6e\u6bb5\u4e3b\u8981\u7528\u4e8e\u63cf\u8ff0 nebula \u67e5\u8be2\u670d\u52a1\u5730\u5740\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3001\u56fe\u7a7a\u95f4\u4fe1\u606f\u7b49\u4fe1\u606f\u3002<\/p>\n
nebula:\u00a0{\u00a0\u00a0 \u00a0\u00a0#\u00a0\u67e5\u8be2\u5f15\u64ce\u00a0IP\u00a0\u5217\u8868\u00a0\u00a0 \u00a0\u00a0addresses:\u00a0[\"127.0.0.1:3699\"]\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0\u8fde\u63a5\u00a0Nebula\u00a0Graph\u00a0\u670d\u52a1\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u00a0\u00a0 \u00a0\u00a0user:\u00a0user\u00a0\u00a0 \u00a0\u00a0pswd:\u00a0password\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0Nebula\u00a0Graph\u00a0\u56fe\u7a7a\u95f4\u540d\u79f0\u00a0\u00a0 \u00a0\u00a0space:\u00a0test\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0thrift\u00a0\u8d85\u65f6\u65f6\u957f\u53ca\u91cd\u8bd5\u6b21\u6570\uff0c\u9ed8\u8ba4\u503c\u5206\u522b\u4e3a\u00a03000\u00a0\u548c\u00a03\u00a0\u00a0 \u00a0\u00a0connection\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0timeout:\u00a03000\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0retry:\u00a03\u00a0\u00a0 \u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0nGQL\u00a0\u67e5\u8be2\u91cd\u8bd5\u6b21\u6570\uff0c\u9ed8\u8ba4\u503c\u4e3a\u00a03\u00a0\u00a0 \u00a0\u00a0execution\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0retry:\u00a03\u00a0\u00a0 \u00a0\u00a0}\u00a0\u00a0 }\u00a0\u00a0  <\/code><\/pre>\n
Nebula \u914d\u7f6e\u6bb5<\/h4>\n
\u6807\u7b7e\u914d\u7f6e\u6bb5\u7528\u4e8e\u63cf\u8ff0\u5bfc\u5165\u6807\u7b7e\u4fe1\u606f\uff0c\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4e3a\u4e00\u4e2a\u6807\u7b7e\u4fe1\u606f\u3002\u6807\u7b7e\u5bfc\u5165\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\uff1a\u57fa\u4e8e\u6587\u4ef6\u5bfc\u5165\u4e0e\u57fa\u4e8e Hive \u5bfc\u5165\u3002<\/p>\n
    \n
  • \u57fa\u4e8e\u6587\u4ef6\u5bfc\u5165\u914d\u7f6e\u9700\u6307\u5b9a\u6587\u4ef6\u7c7b\u578b<\/li>\n
  • \u57fa\u4e8e Hive \u5bfc\u5165\u914d\u7f6e\u9700\u6307\u5b9a\u6267\u884c\u7684\u67e5\u8be2\u8bed\u8a00\u3002<\/li>\n<\/ul>\n
    #\u00a0\u5904\u7406\u6807\u7b7e\u00a0\u00a0 tags:\u00a0[\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0\u4ece\u00a0HDFS\u00a0\u6587\u4ef6\u52a0\u8f7d\u6570\u636e\uff0c\u00a0\u6b64\u5904\u6570\u636e\u7c7b\u578b\u4e3a\u00a0Parquet\u00a0tag\u00a0\u540d\u79f0\u4e3a\u00a0${TAG_NAME}\u00a0\u00a0 \u00a0\u00a0#\u00a0\u00a0HDFS\u00a0Parquet\u00a0\u6587\u4ef6\u7684\u4e2d\u7684\u00a0field_0 \u3001field_1 \u5c06\u5199\u5165\u00a0${TAG_NAME}\u00a0\u00a0 \u00a0\u00a0#\u00a0\u8282\u70b9\u5217\u4e3a\u00a0${KEY_FIELD} \u00a0\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0name:\u00a0${TAG_NAME}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0type:\u00a0parquet\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0path:\u00a0${HDFS_PATH}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0fields:\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0field_0:\u00a0nebula_field_0,\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0field_1:\u00a0nebula_field_1\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0vertex:\u00a0${KEY_FIELD}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0batch\u00a0:\u00a016\u00a0\u00a0 \u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0\u4e0e\u4e0a\u8ff0\u7c7b\u4f3c\u00a0\u00a0 \u00a0\u00a0#\u00a0\u4ece\u00a0Hive\u00a0\u52a0\u8f7d\u5c06\u6267\u884c\u547d\u4ee4\u00a0$\u00a0{EXEC}\u00a0\u4f5c\u4e3a\u6570\u636e\u96c6\u00a0\u00a0 \u00a0\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0name:\u00a0${TAG_NAME}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0type:\u00a0hive\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0exec:\u00a0${EXEC}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0fields:\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0hive_field_0:\u00a0nebula_field_0,\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0hive_field_1:\u00a0nebula_field_1\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0vertex:\u00a0${KEY_FIELD} \u00a0\u00a0}\u00a0\u00a0 ]\u00a0 <\/code><\/pre>\n
    \u8bf4\u660e\uff1a<\/p>\n
      \n
    • name \u5b57\u6bb5\u7528\u4e8e\u8868\u793a\u6807\u7b7e\u540d\u79f0<\/li>\n
    • fields \u5b57\u6bb5\u7528\u4e8e\u914d\u7f6e HDFS \u6216 Hive \u5b57\u6bb5\u4e0e Nebula \u5b57\u6bb5\u7684\u6620\u5c04\u5173\u7cfb<\/li>\n
    • batch \u53c2\u6570\u610f\u4e3a\u4e00\u6b21\u6279\u91cf\u5bfc\u5165\u6570\u636e\u7684\u8bb0\u5f55\u6570\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n
      \u8fb9\u7c7b\u578b\u914d\u7f6e\u6bb5\u7528\u4e8e\u63cf\u8ff0\u5bfc\u5165\u6807\u7b7e\u4fe1\u606f\uff0c\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4e3a\u4e00\u4e2a\u8fb9\u7c7b\u578b\u4fe1\u606f\u3002\u8fb9\u7c7b\u578b\u5bfc\u5165\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\uff1a\u57fa\u4e8e\u6587\u4ef6\u5bfc\u5165\u4e0e\u57fa\u4e8e Hive \u5bfc\u5165\u3002<\/p>\n
        \n
      • \u57fa\u4e8e\u6587\u4ef6\u5bfc\u5165\u914d\u7f6e\u9700\u6307\u5b9a\u6587\u4ef6\u7c7b\u578b<\/li>\n
      • \u57fa\u4e8e Hive \u5bfc\u5165\u914d\u7f6e\u9700\u6307\u5b9a\u6267\u884c\u7684\u67e5\u8be2\u8bed\u8a00<\/li>\n<\/ul>\n
        #\u00a0\u5904\u7406\u8fb9\u00a0\u00a0 edges:\u00a0[\u00a0\u00a0 \u00a0\u00a0#\u00a0\u4ece\u00a0HDFS\u00a0\u52a0\u8f7d\u6570\u636e\uff0c\u6570\u636e\u7c7b\u578b\u4e3a\u00a0JSON\u00a0\u00a0 \u00a0\u00a0#\u00a0\u8fb9\u540d\u79f0\u4e3a\u00a0${EDGE_NAME}\u00a0\u00a0 \u00a0\u00a0#\u00a0HDFS\u00a0JSON\u00a0\u6587\u4ef6\u4e2d\u7684\u00a0field_0 \u3001field_1\u00a0\u5c06\u88ab\u5199\u5165${EDGE_NAME}\u00a0\u00a0 \u00a0\u00a0#\u00a0\u8d77\u59cb\u5b57\u6bb5\u4e3a\u00a0source_field\uff0c\u7ec8\u6b62\u5b57\u6bb5\u4e3a\u00a0target_field\u00a0\uff0c\u8fb9\u6743\u91cd\u5b57\u6bb5\u4e3a\u00a0ranking_field \u3002\u00a0\u00a0 \u00a0\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0name:\u00a0${EDGE_NAME}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0type:\u00a0json\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0path:\u00a0${HDFS_PATH}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0fields:\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0field_0:\u00a0nebula_field_0,\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0field_1:\u00a0nebula_field_1\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0source:\u00a0\u00a0source_field\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0target:\u00a0\u00a0target_field\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0ranking:\u00a0ranking_field\u00a0\u00a0 \u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0#\u00a0\u4ece\u00a0Hive\u00a0\u52a0\u8f7d\u5c06\u6267\u884c\u547d\u4ee4\u00a0${EXEC}\u00a0\u4f5c\u4e3a\u6570\u636e\u96c6\u00a0\u00a0 \u00a0\u00a0#\u00a0\u8fb9\u6743\u91cd\u4e3a\u53ef\u9009\u00a0\u00a0 \u00a0\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0name:\u00a0${EDGE_NAME}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0type:\u00a0hive\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0exec:\u00a0${EXEC}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0fields:\u00a0{\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0hive_field_0:\u00a0nebula_field_0,\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0hive_field_1:\u00a0nebula_field_1\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0source:\u00a0\u00a0source_id_field\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0target:\u00a0\u00a0target_id_field\u00a0\u00a0 \u00a0\u00a0}\u00a0\u00a0 ]\u00a0\u00a0 <\/code><\/pre>\n
        \u8bf4\u660e\uff1a<\/p>\n
          \n
        • name \u5b57\u6bb5\u7528\u4e8e\u8868\u793a\u8fb9\u7c7b\u578b\u540d\u79f0<\/li>\n
        • fields \u5b57\u6bb5\u7528\u4e8e\u914d\u7f6e HDFS \u6216 Hive \u5b57\u6bb5\u4e0e Nebula \u5b57\u6bb5\u7684\u6620\u5c04\u5173\u7cfb<\/li>\n
        • source \u5b57\u6bb5\u7528\u4e8e\u8868\u793a\u8fb9\u7684\u8d77\u70b9<\/li>\n
        • target \u5b57\u6bb5\u7528\u4e8e\u8868\u793a\u8fb9\u7684\u7ec8\u70b9<\/li>\n
        • ranking \u5b57\u6bb5\u7528\u4e8e\u8868\u793a\u8fb9\u7684\u6743\u91cd<\/li>\n
        • batch \u53c2\u6570\u610f\u4e3a\u4e00\u6b21\u6279\u91cf\u5bfc\u5165\u6570\u636e\u7684\u8bb0\u5f55\u6570\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n
          \u5bfc\u5165\u6570\u636e\u547d\u4ee4<\/h3>\n
          bin\/spark-submit\u00a0\u00a0\u00a0 \u00a0--class\u00a0com.vesoft.nebula.tools.generator.v2.SparkClientGenerator\u00a0\u00a0\u00a0 \u00a0--master\u00a0${MASTER-URL}\u00a0\u00a0\u00a0 \u00a0${SPARK_WRITER_JAR_PACKAGE}\u00a0-c\u00a0conf\/test.conf\u00a0-h\u00a0-d\u00a0\u00a0 <\/code><\/pre>\n
          \u8bf4\u660e\uff1a<\/p>\n
            \n
          • -c\uff1aconfig \u7528\u4e8e\u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u8def\u5f84<\/li>\n
          • -h\uff1ahive \u7528\u4e8e\u6307\u5b9a\u662f\u5426\u652f\u6301 Hive<\/li>\n
          • -d\uff1adry \u7528\u4e8e\u6d4b\u8bd5\u914d\u7f6e\u6587\u4ef6\u662f\u5426\u6b63\u786e\uff0c\u5e76\u4e0d\u5904\u7406\u6570\u636e\u3002<\/li>\n<\/ul>\n
            \n
            \u4f5c\u8005\u6709\u8bdd\u8bf4\uff1aHi\uff0c\u5927\u5bb6\u597d\uff0c\u6211\u662f darion\uff0cNebula Graph \u7684\u8f6f\u4ef6\u5de5\u7a0b\u5e08\uff0c\u5bf9\u5206\u5e03\u5f0f\u7cfb\u7edf\u65b9\u9762\u6709\u4e9b\u5c0f\u5fc3\u5f97\uff0c\u5e0c\u671b\u4e0a\u8ff0\u6587\u7ae0\u53ef\u4ee5\u7ed9\u5927\u5bb6\u5e26\u6765\u4e9b\u8bb8\u542f\u53d1\u3002\u9650\u4e8e\u6c34\u5e73\uff0c\u5982\u6709\u4e0d\u5f53\u4e4b\u5904\u8fd8\u8bf7\u65a7\u6b63\uff0c\u5728\u6b64\u611f\u8c22^^<\/p>\n<\/blockquote>\n
            \u559c\u6b22\u8fd9\u7bc7\u6587\u7ae0\uff1f\u6765\u6765\u6765\uff0c\u7ed9\u6211\u4eec\u7684 GitHub \u70b9\u4e2a star \u8868\u9f13\u52b1\u5566~~       <\/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":"
              \u6d45\u6790\u56fe\u6570\u636e\u5e93 Nebula Gra…<\/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\/137002"}],"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=137002"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/137002\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=137002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=137002"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=137002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}