{"rsdb":{"rid":"316605","subhead":"","postdate":"0","aid":"228957","fid":"87","uid":"1","topic":"1","content":"
\n

\u4e00\u3001hive\u6982\u8ff0<\/span><\/p> \n

\"\"<\/strong><\/span><\/p> \n

       Hive\u662f\u57fa\u4e8e Hadoop \u7684\u4e00\u4e2a\u3010\u6570\u636e\u4ed3\u5e93\u5de5\u5177\u3011\uff0c\u53ef\u4ee5\u5c06\u7ed3\u6784\u5316\u7684\u6570\u636e\u6587\u4ef6\u6620\u5c04\u4e3a\u4e00\u5f20\u6570\u636e\u5e93\u8868\uff0c\u5e76\u63d0\u4f9b\u7b80\u5355\u7684 sql \u67e5\u8be2\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06 sql \u8bed\u53e5\u8f6c\u6362\u4e3a MapReduce \u4efb\u52a1\u8fdb\u884c\u8fd0\u884c\u3002\u4f7f\u7528SQL\u6765\u5feb\u901f\u5b9e\u73b0\u7b80\u5355\u7684MapReduce \u7edf\u8ba1\uff0c\u4e0d\u5fc5\u5f00\u53d1\u4e13\u95e8\u7684MapReduce \u5e94\u7528\uff0c\u5b66\u4e60\u6210\u672c\u4f4e\uff0c\u5341\u5206\u9002\u5408\u6570\u636e\u4ed3\u5e93\u7684\u7edf\u8ba1\u5206\u6790\u3002<\/span><\/p> \n

    <\/span>\u3010\u6570\u636e\u4ed3\u5e93\u3011\u82f1\u6587\u540d\u79f0\u4e3a Data Warehouse\uff0c\u53ef\u7b80\u5199\u4e3a DW \u6216 DWH\u3002\u6570\u636e\u4ed3\u5e93\uff0c\u662f\u4e3a\u4f01\u4e1a\u6240\u6709\u7ea7\u522b\u7684\u51b3\u7b56\u5236\u5b9a\u8fc7\u7a0b\uff0c\u63d0\u4f9b\u6240\u6709\u7c7b\u578b\u6570\u636e\u652f\u6301\u7684\u6218\u7565\u96c6\u5408\u3002\u5b83\u662f\u5355\u4e2a\u6570\u636e\u5b58\u50a8\uff0c\u51fa\u4e8e\u5206\u6790\u6027\u62a5\u544a\u548c\u51b3\u7b56\u652f\u6301\u76ee\u7684\u800c\u521b\u5efa\u3002\u4e3a\u9700\u8981\u4e1a\u52a1\u667a\u80fd\u7684\u4f01\u4e1a\uff0c\u63d0\u4f9b\u6307\u5bfc\u4e1a\u52a1\u6d41\u7a0b\u6539\u8fdb\u3001\u76d1\u89c6\u65f6\u95f4\u3001\u6210\u672c\u3001\u8d28\u91cf\u4ee5\u53ca\u63a7\u5236\u3002\u4e00\u53e5\u8bdd\u6982\u62ec\uff1a  \u6570\u636e\u4ed3\u5e93\u662f\u7528\u6765\u505a \u67e5\u8be2\u5206\u6790\u7684\u6570\u636e\u5e93\uff0c \u57fa\u672c\u4e0d\u7528\u6765\u505a\u63d2\u5165\uff0c\u4fee\u6539\uff0c\u5220\u9664\u64cd\u4f5c\u3002<\/strong><\/span><\/p> \n

 1\u3001\u6570\u636e\u5904\u7406\u5206\u7c7b<\/span><\/strong><\/p> \n

\uff081\uff09\u8054\u673a\u4e8b\u52a1\u5904\u7406 OLTP\uff08on-linetransaction processing\uff09<\/span>\u3000\u3000<\/span><\/p> \n

\u3000\u3000OLTP\u662f\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u4e3b\u8981\u5e94\u7528\uff0c\u4e3b\u8981\u662f\u57fa\u672c\u7684\u3001\u65e5\u5e38\u7684\u4e8b\u52a1\u5904\u7406\uff0c\u4f8b\u5982\u94f6\u884c\u4ea4\u6613\u3002<\/span><\/span>OLTP\u7cfb\u7edf\u5f3a\u8c03\u6570\u636e\u5e93\u5185\u5b58\u6548\u7387\uff0c\u5f3a\u8c03\u5185\u5b58\u5404\u79cd\u6307\u6807\u7684\u547d\u4ee4\u7387\uff0c\u5f3a\u8c03\u7ed1\u5b9a\u53d8\u91cf\uff0c\u5f3a\u8c03\u5e76\u53d1\u64cd\u4f5c\uff1b<\/span><\/p> \n

 <\/p> \n

\uff082\uff09\u8054\u673a\u5206\u6790\u5904\u7406P OLAP\uff08On-Line AnalyticalProcessing\uff09<\/span><\/p> \n

\u3000\u3000OLAP\u662f\u6570\u636e\u4ed3\u5e93\u7cfb\u7edf\u7684\u4e3b\u8981\u5e94\u7528\uff0c\u652f\u6301\u590d\u6742\u7684\u5206\u6790\u64cd\u4f5c\uff0c\u4fa7\u91cd\u51b3\u7b56\u652f\u6301\uff0c\u5e76\u4e14\u63d0\u4f9b\u76f4\u89c2\u6613\u61c2\u7684\u67e5\u8be2\u7ed3\u679c\u3002<\/span>OLAP\u7cfb\u7edf\u5219\u5f3a\u8c03\u6570\u636e\u5206\u6790\uff0c\u5f3a\u8c03SQL\u6267\u884c\u5e02\u573a\uff0c\u5f3a\u8c03\u78c1\u76d8I\/O\uff0c\u5f3a\u8c03\u5206\u533a\u7b49\u3002<\/span><\/p> \n

 <\/p> \n

 <\/p> \n

---\u7c7b\u6bd4\u8868<\/span><\/p> \n

\"\"<\/span><\/p> \n

 <\/p> \n

 <\/strong><\/p> \n

2.hive\u67b6\u6784\u539f\u7406<\/strong><\/p> \n

\u7528\u6237\u63a5\u53e3\u4e3b\u8981\u6709\u4e09\u4e2a\uff1aCLI\u547d\u4ee4\u884c\uff0cClient \u548c WUI\u3002<\/p> \n

\"\"<\/p> \n

\uff081\uff09\u6700\u5e38\u7528\u7684\u662f CLI \u547d\u4ee4\u884c\uff0cCli\u542f\u52a8\u7684\u65f6\u5019\uff0c\u4f1a\u540c\u65f6\u542f\u52a8\u4e00\u4e2aHive\u526f\u672c\uff1b Client\u662fHive\u7684\u5ba2\u6237\u7aef\uff0c\u7528\u6237\u8fde\u63a5\u81f3Hive Server\u3002<\/span><\/p> \n

\u5728\u542f\u52a8Client\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u9700\u8981\u6307\u51faHive Server\u6240\u5728\u8282\u70b9\uff0c\u5e76\u4e14\u5728\u8be5\u8282\u70b9\u542f\u52a8Hive Server\u3002 WUI\u662f\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95eeHive\u3002<\/span><\/p> \n

\uff082\uff09Hive\u5c06 \u5143\u6570\u636e\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5982mysql\u3001 derby \u3002 Hive\u4e2d\u7684\u5143\u6570\u636e\u5305\u62ec\u8868\u7684\u540d\u5b57\uff0c\u8868\u7684\u5217\u548c\u5206\u533a\u53ca\u5176\u5c5e\u6027\uff0c\u8868\u7684\u5c5e\u6027\uff08\u662f\u5426\u4e3a\u5916<\/span><\/p> \n

 \u90e8\u8868\u7b49\uff09\uff0c\u8868\u7684\u6570\u636e\u6240\u5728\u76ee\u5f55\u7b49\u3002<\/span><\/p> \n

\uff083\uff09\u89e3\u91ca\u5668\u3001\u7f16\u8bd1\u5668\u3001\u4f18\u5316\u5668\u5b8c\u6210HQL\u67e5\u8be2\u8bed\u53e5\u4ece\u8bcd\u6cd5\u5206\u6790\u3001\u8bed\u6cd5\u5206\u6790\u3001\u7f16\u8bd1\u3001\u4f18\u5316\u4ee5\u53ca\u67e5\u8be2\u8ba1\u5212\u7684\u751f\u6210\u3002\u751f\u6210\u7684\u67e5\u8be2\u8ba1\u5212\u5b58\u50a8\u5728HDFS\u4e2d\uff0c<\/span><\/p> \n

\u5e76\u5728\u968f\u540e\u6709MapReduce\u8c03\u7528\u6267\u884c\u3002<\/span><\/p> \n

\uff084\uff09Hive\u7684\u6570\u636e\u5b58\u50a8\u5728HDFS\u4e2d\uff0c\u5927\u90e8\u5206\u7684\u67e5\u8be2\u3001\u8ba1\u7b97\u7531MapReduce\u5b8c\u6210\uff08\u5305\u542b*\u7684\u67e5\u8be2\uff0c\u6bd4\u5982select * from tbl\u4e0d\u4f1a\u751f\u6210MapRedcue\u4efb\u52a1\uff09<\/span><\/p> \n

 <\/p> \n

 \u4e8c\u3001hive\u642d\u5efa\u53ca\u4e09\u79cd\u6a21\u5f0f<\/strong><\/p> \n

 1.hive\u7684\u642d\u5efa<\/span><\/strong><\/p> \n

 <\/p> \n

 1.1\u3001\u5b89\u88c5 Hive\u5b89\u88c5\u73af\u5883\u4ee5\u53ca\u524d\u63d0\u8bf4\u660e\uff1a\u9996\u5148\uff0cHive \u662f\u4f9d\u8d56\u4e8e hadoop \u7cfb\u7edf\u7684\uff0c\u56e0\u6b64\u5728\u8fd0\u884c Hive \u4e4b\u524d\u9700\u8981\u4fdd\u8bc1\u5df2\u7ecf\u642d\u5efa\u597d hadoop \u96c6\u7fa4\u73af\u5883\u3002<\/span><\/p> \n

---\u5b89\u88c5\u4e00\u4e2a\u5173\u7cfb\u578b\u6570\u636e mysql<\/span><\/p> \n

\"\"<\/p> \n

 <\/p> \n

1.2\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf\uff1a\uff08\u7c7b\u4f3c\u4e8e\u4e0b\u9762\u8fd9\u6837\uff0c\u8ddf\u4e4b\u524dhadoop1 \/2.x \u914d\u7f6e\u4e00\u6837\uff09<\/span><\/p> \n

\u2013 HADOOP_HOME=\/**\/*<\/span>
\u2013 HIVE_HOME=$*\/**\/*<\/span><\/p> \n

1.3\u3001\u66ff\u6362\u548c\u6dfb\u52a0\u76f8\u5173 jar \u5305--\u4fee\u6539 HADOOP_HOME\\share\/hadoop\/yarn\/lib \u76ee\u5f55\u4e0b\u7684 jline-*.jar\u5c06\u5176\u66ff\u6362\u6210 HIVE_HOME\\lib \u4e0b\u7684 jline-2.12.jar\u3002<\/span><\/p> \n

--\u5c06 hive \u8fde\u63a5 mysql \u7684 jar \u5305\uff1amysql-connector-java<\/a>-5.1.32-bin.jar\u62f7\u8d1d\u5230 hive \u89e3\u538b\u76ee\u5f55\u7684 lib \u76ee\u5f55\u4e0b<\/span><\/p> \n

1.4\u3001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\uff08\u9009\u62e9 3 \u79cd\u6a21\u5f0f\u91cc\u54ea\u4e00\u79cd\uff09\u89c1\u4e09\u79cd\u5b89\u88c5\u6a21\u5f0f<\/span>
1.5\u3001\u542f\u52a8 hive\uff1abin\/hive<\/span>

<\/p> \n

 <\/p> \n

2.\u4e09\u79cd\u6a21\u5f0f: <\/strong>(\u5185\u5d4c\u6a21\u5f0f\/\u672c\u5730\u6a21\u5f0f\/\u8fdc\u7a0b\u6a21\u5f0f)<\/span><\/span><\/p> \n

 2.1 \u5185\u5d4c\u6a21\u5f0f<\/span><\/p> \n

\u8fd9\u79cd\u5b89\u88c5\u6a21\u5f0f\u7684\u5143\u6570\u636e\u662f\u5185\u5d4c\u5728Derby\u6570\u636e\u5e93\u4e2d\u7684\uff0c\u53ea\u80fd\u5141\u8bb8\u4e00\u4e2a\u4f1a\u8bdd\u8fde\u63a5\uff0c\u6570\u636e\u4f1a\u5b58\u653e\u5230HDFS\u4e0a\u3002<\/span><\/p> \n

\u8fd9\u79cd\u65b9\u5f0f\u662f\u6700\u7b80\u5355\u7684\u5b58\u50a8\u65b9\u5f0f\uff0c\u53ea\u9700\u8981hive-site.xml<\/span>\u505a\u5982\u4e0b\u914d\u7f6e\u4fbf\u53ef\uff08\u6ce8\uff1a\u4f7f\u7528 derby \u5b58\u50a8\u65b9\u5f0f\u65f6\uff0c\u8fd0\u884c hive \u4f1a\u5728\u5f53<\/span><\/p> \n

\u524d\u76ee\u5f55\u751f\u6210\u4e00\u4e2a derby \u6587\u4ef6\u548c\u4e00\u4e2a metastore_db\uff09<\/span><\/p> \n

\n 
<?xml version="<\/span>1.0<\/span>"<\/span>?>\r\n<?xml-stylesheet type="<\/span>text\/xsl<\/span>"<\/span> href="<\/span>configuration.xsl<\/span>"<\/span>?>\r\n<configuration>\r\n<property>\r\n<name>java<\/a>x.jdo.option.ConnectionURL<\/name>\r\n<value>jdbc:derby:;databaseName=metastore_db;creat\r\ne<\/span>=true<\/value> <\/property>\r\n<property>\r\n<name>javax.jdo.option.ConnectionDriverName<\/name>\r\n<value>org.apache.derby.jdbc.EmbeddedDriver<\/value>\r\n<\/property>\r\n<property>\r\n<name>hive.metastore.local<\/name>\r\n<value>true<\/value>\r\n<\/property>\r\n<property>\r\n<name>hive.metastore.warehouse.dir<\/name>\r\n<value>\/user\/hive\/warehouse<\/value>\r\n<\/property>\r\n<\/configuration><\/pre> \n <\/div> \n 
 <\/p> \n 
 2.2 \u672c\u5730\u6a21\u5f0f<\/strong><\/p> \n 
 \u8fd9\u79cd\u5b89\u88c5\u65b9\u5f0f\u548c\u5d4c\u5165\u5f0f\u7684\u533a\u522b\u5728\u4e8e\uff0c\u4e0d\u518d\u4f7f\u7528\u5185\u5d4c\u7684 Derby \u4f5c\u4e3a\u5143\u6570\u636e\u7684\u5b58\u50a8\u4ecb\u8d28\uff0c\u800c\u662f\u4f7f\u7528\u5176\u4ed6\u6570\u636e\u5e93\u6bd4\u5982 MySQL \u6765\u5b58\u50a8\u5143\u6570\u636e\u4e14\u662f\u4e00\u4e2a\u591a\u7528\u6237\u7684\u6a21\u5f0f<\/strong>\uff0c<\/span><\/p> \n 
\u8fd0\u884c\u591a\u4e2a\u7528\u6237 client \u8fde\u63a5\u5230\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e00\u822c\u4f5c\u4e3a\u516c\u53f8\u5185\u90e8\u540c\u65f6\u4f7f\u7528 Hive\u3002\u8fd9\u91cc\u6709\u4e00\u4e2a\u524d\u63d0\uff0c\u6bcf\u4e00\u4e2a\u7528\u6237\u5fc5\u987b\u8981\u6709\u5bf9 MySQL \u7684\u8bbf\u95ee\u6743\u5229\uff0c\u5373\u6bcf<\/span><\/p> \n 
\u4e00\u4e2a\u5ba2\u6237\u7aef\u4f7f\u7528\u8005\u9700\u8981\u77e5\u9053 MySQL \u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u624d\u884c\u3002\u8fd9\u79cd\u5b58\u50a8\u65b9\u5f0f\u9700\u8981\u5728\u672c\u5730\u8fd0\u884c\u4e00\u4e2a mysql \u670d\u52a1\u5668\uff0c\u5e76\u4f5c\u5982\u4e0b\u914d\u7f6e\uff08\u4e0b\u9762\u4e24\u79cd\u4f7f\u7528 mysql \u7684\u65b9\u5f0f\uff0c<\/span><\/p> \n 
\u9700\u8981\u5c06 mysql \u7684 jar \u5305\u62f7\u8d1d\u5230$HIVE_HOME\/lib \u76ee\u5f55\u4e0b\uff09\u3002 <\/span><\/p> \n 
\u6ce8\uff1a <\/span>mysql-connector-java-5.1.32-bin.jar\u62f7\u8d1d\u5230 hive \u89e3\u538b\u76ee\u5f55\u7684 lib \u76ee\u5f55\u4e0b<\/strong><\/p> \n 
 \uff08jar\u5305<\/strong> \u94fe\u63a5\uff1ahttps:\/\/pan.baidu.com\/s\/17LzbGrLpLAcs-guXz2ttLg \u5bc6\u7801\uff1a4k6w\uff09<\/p> \n 
 vim","orderid":"0","title":"hadoop--hive\u6570\u636e\u4ed3\u5e93(\u4e00)","smalltitle":"","mid":"0","fname":"Ruby","special_id":"0","bak_id":"0","info":"0","hits":"528","pages":"3","comments":"0","posttime":"2019-08-15 00:10:38","list":"1565799038","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"hadoop--hive<\/A> \u6570\u636e<\/A> \u4ed3\u5e93<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"120.229.33.149","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"hadoop--hive\u6570\u636e\u4ed3\u5e93","lastview":"1713906790","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}