\u4e3a\u5b9e\u73b0\u5feb\u901f\u626b\u63cf\u800c\u8fdb\u884c\u4e86\u4f18\u5316\uff0cKudu\u7279\u522b\u9002\u5408\u6258\u7ba1\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u548c\u5404\u79cd\u7c7b\u578b\u7684\u4e1a\u52a1\u6570\u636e\u3002\u9664\u4e86\u5353\u8d8a\u7684\u626b\u63cf\u901f\u5ea6\u5916\uff0cKudu\u8fd8\u652f\u6301\u4f20\u7edf\u6570\u636e\u5e93\u4e2d\u7684\u8bb8\u591a\u64cd\u4f5c\uff0c\u5305\u62ec\u5b9e\u65f6\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u5220\u9664\u64cd\u4f5c\u3002Kudu\u652f\u6301\u201c\u81ea\u5e26SQL\u201d\u7406\u5ff5\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u4e0d\u540c\u67e5\u8be2\u5f15\u64ce\u8bbf\u95ee\uff0c\u5305\u62ec\u5176\u4ed6Apache\u9879\u76ee\uff0c\u5982Drill\u3001Spark\u548cImpala\uff08\u5b75\u5316\u4e2d\uff09\u3002<\/p><\/blockquote>\n
\u6839\u636e\u6587\u6863\uff08http:\/\/kudu.apache.org\/overview.html#architecture\uff09\u6240\u8ff0\uff0c
\n– \u91c7\u7528\u8d85\u5feb\u901f\u7684\u5217\u5b58\u50a8\u6280\u672f
\n– \u5177\u6709\u5206\u5e03\u5f0f\u548c\u5bb9\u9519\u80fd\u529b
\n– \u53ef\u4e0e\u7c7b\u4f3cIntel 3D Xpoint\u7684\u4e0b\u4e00\u4ee3\u5b58\u50a8\u6280\u672f\u517c\u5bb9\u3002<\/p>\n
Kudu\u4e0d\u662f\u7528\u6765\u66ff\u4ee3Hadoop\u7684HDFS\u548cHBase\uff0c\u800c\u662f\u7528\u6765\u8865\u5145\u5b83\u4eec\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5927\u91cf\u6570\u636e\u7684\u626b\u63cf\uff0cHDFS\u66f4\u5feb\uff1b\u5bf9\u4e8e\u968f\u673a\u8bfb\u5199\uff0cHBase\u66f4\u5feb\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u9891\u7e41\u66f4\u65b0\u7684\u6570\u636e\u8fdb\u884c\u5feb\u901f\u5206\u6790\u5e76\u4e0d\u9002\u5408\u4f7f\u7528HDFS\u548cHBase\u3002<\/p>\n
Kudu\u50cfApache Parquet\u4e00\u6837\u91c7\u7528\u5217\u5b58\u50a8\u65b9\u5f0f\u5904\u7406\u6570\u636e\u3002\u4e0eHBase\u4e0d\u540c\uff0c\u6bcf\u4e2a\u5217\u90fd\u6709\u81ea\u5df1\u7684\u7c7b\u578b\uff0c\u56e0\u6b64\u53ef\u4ee5\u9ad8\u6548\u5730\u5bf9\u6570\u636e\u8fdb\u884c\u7f16\u7801\u548c\u538b\u7f29\u3002\u5f53\u53ea\u9700\u8981\u8bbf\u95ee\u90e8\u5206\u5217\u8fdb\u884c\u5206\u6790\u65f6\uff0c\u5e76\u4e0d\u9700\u8981\u8bfb\u5199\u6240\u6709\u7684\u6570\u636e\uff0c\u56e0\u6b64\u78c1\u76d8I\/O\u8f83\u5c11\uff0c\u901f\u5ea6\u66f4\u5feb\u3002Kudu\u4e0d\u4ec5\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u7684\u6dfb\u52a0\u3001\u66f4\u65b0\u548c\u5220\u9664\uff0c\u8fd8\u5177\u6709\u9ad8\u6548\u7684\u5217\u5b58\u50a8\u5f15\u64ce\uff0c\u53ef\u4ee5\u4f18\u5316\u5217\u7684\u8bbf\u95ee\u3002<\/p>\n
\u53c2\u8003\u4fe1\u606f
\n– Kudu\uff08\u30af\u30c9\u30a5\uff09\uff1aHadoop\u7684\u65b0\u5b58\u50a8\u5f15\u64ce\uff0c\u8865\u5145HDFS\u548cHBase
\n– Kudu\u4fe1\u606f\u6982\u8ff0<\/p>\n
\u5feb\u901f\u542f\u52a8\u865a\u62df\u673a<\/h1>\n
\u4f60\u53ef\u4ee5\u4eceKudu\u7684\u5b98\u65b9\u7f51\u9875\u4e0a\u83b7\u53d6Virtual Box\u4e0a\u7684Quickstart VM\u6765\u8fd0\u884c\u3002\u867d\u7136\u5b83\u5e76\u4e0d\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u73af\u5883\uff0c\u4f46\u662f\u5982\u679c\u4f60\u60f3\u5feb\u901f\u5c1d\u8bd5Kudu\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002
\nhttp:\/\/kudu.apache.org\/docs\/quickstart.html<\/p>\n
\u8fd0\u884c\u73af\u5883<\/h2>\n\n- \n
Macbook Pro (OSX El Capitan)<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
VirtualBox 5.0.10<\/ul>\n\u6267\u884c\u5f15\u5bfc\u7a0b\u5e8f<\/h2>\n
\u83b7\u53d6\u5e76\u6267\u884cKudu\u7684\u5f15\u5bfc\u7a0b\u5e8f\u3002 \u5728Mac\u4e0a\u6253\u5f00\u7ec8\u7aef\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n
$ curl -s https:\/\/raw.githubusercontent.com\/cloudera\/kudu-examples\/master\/demo-vm-setup\/bootstrap.sh | bash\r\n<\/code><\/pre>\n\u5c06\u4f1a\u81ea\u52a8\u5f00\u59cb\u4e0b\u8f7dVirtual Box\u7684\u6620\u50cf\u6587\u4ef6\u3002\u7531\u4e8e\u6587\u4ef6\u5927\u5c0f\u5927\u7ea6\u4e3a1.2GB\uff0c\u6240\u4ee5\u53ef\u80fd\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u3002<\/p>\n
$ curl -s https:\/\/raw.githubusercontent.com\/cloudera\/kudu-examples\/master\/demo-vm-setup\/bootstrap.sh | bash\r\n+ : https:\/\/github.com\/cloudera\/kudu-examples.git\r\n+ git clone https:\/\/github.com\/cloudera\/kudu-examples.git\r\nCloning into 'kudu-examples'...\r\nremote: Counting objects: 366, done.\r\nremote: Total 366 (delta 0), reused 0 (delta 0), pack-reused 366\r\nReceiving objects: 100% (366\/366), 69.88 KiB | 0 bytes\/s, done.\r\nResolving deltas: 100% (119\/119), done.\r\nChecking connectivity... done.\r\n+ pushd kudu-examples\r\n~\/Downloads\/kudu-examples ~\/Downloads\r\n+ pushd demo-vm-setup\r\n~\/Downloads\/kudu-examples\/demo-vm-setup ~\/Downloads\/kudu-examples ~\/Downloads\r\n+ .\/setup-kudu-demo-vm.sh\r\nDownloading Virtualbox Image file: http:\/\/cloudera-kudu-beta.s3.amazonaws.com\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox.ova\r\n % Total % Received % Xferd Average Speed Time Time Time Current\r\n Dload Upload Total Spent Left Speed\r\n100 1361M 100 1361M 0 0 3069k 0 0:07:34 0:07:34 --:--:-- 1138k\r\n<\/code><\/pre>\n\u5f53\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u865a\u62df\u673a\u5c06\u5728VirtualBox\u4e0a\u542f\u52a8\u3002<\/p>\n
100 1361M 100 1361M 0 0 3216k 0 0:07:13 0:07:13 --:--:-- 3892k\r\n0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%\r\nInterface 'vboxnet6' was successfully created\r\nImporting VM cloudera-quickstart-vm-5.7.1-kudu-virtualbox.ova...\r\n0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%\r\nInterpreting \/Users\/kawasaki\/Downloads\/kudu-examples\/demo-vm-setup\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox.ova...\r\nOK.\r\nDisks:\r\n vmdisk1 68719476736 -1 http:\/\/www.vmware.com\/interfaces\/specifications\/vmdk.html#streamOptimized cloudera-quickstart-vm-5.7.1-kudu-virtualbox-disk1.vmdk -1 -1 \r\n\r\nVirtual system 0:\r\n 0: Suggested OS type: \"RedHat_64\"\r\n (change with \"--vsys 0 --ostype <type>\"; use \"list ostypes\" to list all possible values)\r\n 1: VM name specified with --vmname: \"kudu-demo\"\r\n 2: No. of CPUs specified with --cpus: 2\r\n 3: Guest memory specified with --memory: 6144 MB\r\n 4: Network adapter: orig NAT, config 3, extra slot=0;type=NAT\r\n 5: Network adapter: orig NAT, config 3, extra slot=1;type=NAT\r\n 6: CD-ROM\r\n (disable with \"--vsys 0 --unit 6 --ignore\")\r\n 7: IDE controller, type PIIX4\r\n (disable with \"--vsys 0 --unit 7 --ignore\")\r\n 8: IDE controller, type PIIX4\r\n (disable with \"--vsys 0 --unit 8 --ignore\")\r\n 9: Hard disk image: source image=cloudera-quickstart-vm-5.7.1-kudu-virtualbox-disk1.vmdk, target path=\/Users\/kawasaki\/VirtualBox VMs\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox-disk1.vmdk, controller=7;channel=0\r\n (change target path with \"--vsys 0 --unit 9 --disk path\";\r\n disable with \"--vsys 0 --unit 9 --ignore\")\r\n0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%\r\nSuccessfully imported the appliance.\r\nWaiting for VM \"kudu-demo\" to power on...\r\nVM \"kudu-demo\" has been successfully started.\r\nWait until services become available.\r\nUpdating the \/etc\/hosts file requires sudo rights.\r\nPassword:\r\n<\/code><\/pre>\n![\"kudu1.png\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b7337434c4406c4a4d9\/19-0.png\" "\\"\\"")
<\/div>\n\u5b8c\u6210\u4e4b\u540e\uff0c\u6253\u5f00\u53e6\u4e00\u4e2a\u7ec8\u7aef\u5e76\u5c1d\u8bd5\u4f7f\u7528SSH\u8bbf\u95ee\u3002\u5728\u672c\u5730\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u4e4b\u524d\u5c1d\u8bd5\u8fc7\u7684\u73af\u5883\u4ecd\u7136\u5b58\u5728\uff0c\u6240\u4ee5\u65e0\u6cd5\u4e0equickstart.cloudera\u8fdb\u884c\u901a\u4fe1\u3002\u56e0\u6b64\uff0c\u6211\u5df2\u7ecf\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6dfb\u52a0\u5230\/etc\/hosts\u4e2d\u3002<\/p>\n
127.0.0.1 localhost localhost.domain\r\n192.168.62.100 quickstart.cloudera quickstart\r\n<\/code><\/pre>\nssh\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u662fdemo\u3002<\/p>\n
$ ssh demo@quickstart.cloudera\r\ndemo@quickstart.cloudera's password: \r\nLast login: Tue Jul 26 05:16:28 2016 from 192.168.60.1\r\n[demo@quickstart ~]$ \r\n<\/code><\/pre>\n\u6211\u6210\u529f\u5730\u767b\u5f55\u4e86\uff0c\u786e\u8ba4kudu\u548cimpalad\u6b63\u5728\u8fd0\u884c\u4e2d\u3002<\/p>\n
[demo@quickstart ~]$ ps aux |grep kudu\r\n[demo@quickstart ~]$ ps aux |grep kudu\r\nkudu 3035 0.7 0.5 547028 31164 ? Sl 05:51 0:01 \/usr\/lib\/kudu\/sbin\/kudu-master --flagfile=\/etc\/kudu\/conf\/master.gflagfile\r\nkudu 3174 0.6 0.2 1245340 13968 ? Sl 05:51 0:01 \/usr\/lib\/kudu\/sbin\/kudu-tserver --flagfile=\/etc\/kudu\/conf\/tserver.gflagfile\r\ndemo 3811 0.0 0.0 107452 948 pts\/0 S+ 05:55 0:00 grep kudu\r\n[demo@quickstart ~]$ ps aux |grep impalad\r\nimpala 2999 2.4 2.7 4170804 163588 ? Sl 05:51 0:05 \/usr\/lib\/impala\/sbin\/impalad -log_dir=\/var\/log\/impala -catalog_service_host=127.0.0.1 -state_store_port=24000 -use_statestore -state_store_host=127.0.0.1 -be_port=22000\r\ndemo 3813 0.0 0.0 107452 948 pts\/0 S+ 05:55 0:00 grep impalad\r\n[demo@quickstart ~]$ \r\n<\/code><\/pre>\n\u8003\u8bd5<\/h1>\n
\u6309\u7167\u4e0b\u8f7d\u9875\u9762\u7684\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
\u52a0\u8f7d\u6837\u672c\u6570\u636e<\/h2>\n
\u52a0\u8f7dSFO\u4e58\u5ba2\u6570\u636e\u3002<\/p>\n
$ hdfs dfs -mkdir \/data\r\n$ hdfs dfs -put examples\/SFO_Passenger_Data\/MonthlyPassengerData_200507_to_201506.csv \/data\r\n<\/code><\/pre>\n\u542f\u52a8Impala Shell\u3002<\/h2>\n
\u4f7f\u7528\u5206\u5e03\u5f0fSQL\u5f15\u64ceImpala\u8fde\u63a5\u5230Kudu\u3002\u5728\u53e6\u4e00\u4e2a\u7ec8\u7aef\u4e2d\u6253\u5f00\u5e76\u542f\u52a8impala-shell\u3002<\/p>\n
$ ssh demo@quickstart.cloudera -t impala-shell\r\ndemo@quickstart.cloudera's password: \r\nStarting Impala Shell without Kerberos authentication\r\nConnected to quickstart.cloudera:21000\r\nServer version: impalad version 2.7.0-cdh5-IMPALA_KUDU-cdh5 RELEASE (build fc36c3c7fbbbdfb0e8b1b0e6ee7505531a384550)\r\n***********************************************************************************\r\nWelcome to the Impala shell. Copyright (c) 2015 Cloudera, Inc. All rights reserved.\r\n(Impala Shell v2.7.0-cdh5-IMPALA_KUDU-cdh5 (fc36c3c) built on Tue Jun 14 23:55:45 PDT 2016)\r\n\r\nTo see live updates on a query's progress, run 'set LIVE_SUMMARY=1;'.\r\n***********************************************************************************\r\n[quickstart.cloudera:21000] > \r\n<\/code><\/pre>\n\u521b\u5efa\u684c\u5b50<\/h2>\n
\u901a\u8fc7Impala shell\u5c06\u4ee5\u4e0b\u5185\u5bb9\u590d\u5236\u7c98\u8d34\u5230\u521b\u5efapassenger_data_raw\u8868\u3002\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528\u5728HDFS\u4e0a\u4e0a\u4f20\u7684\u6570\u636e\u7684\u5e38\u89c1Impala\/Hive\u8868\u3002<\/p>\n
CREATE EXTERNAL TABLE passenger_data_raw (\r\n id int,\r\n activity_period int,\r\n operating_airline string,\r\n airline_iata_code string,\r\n published_airline string,\r\n published_airline_iata_code string,\r\n geo_summary string,\r\n geo_region string,\r\n activity_type_code string,\r\n price_category_code string,\r\n terminal string,\r\n boarding_area string,\r\n passenger_count bigint\r\n)\r\nROW FORMAT DELIMITED\r\nFIELDS TERMINATED BY ','\r\nLOCATION '\/data\/';\r\n<\/code><\/pre>\n\u6267\u884c\u6d4b\u8bd5\u67e5\u8be2<\/h2>\n
\u6211\u5c06\u5c1d\u8bd5\u67e5\u8be2\u3002\uff08\u7b2c\u4e00\u6b21\u7531\u4e8e\u5143\u6570\u636e\u7f13\u5b58\u672a\u5b9e\u65bd\uff0c\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002\u7b2c\u4e8c\u6b21\u7ea6\u4e3a0.5\u79d2\uff09<\/p>\n
> SELECT count(*) FROM passenger_data_raw;\r\nQuery: select count(*) FROM passenger_data_raw\r\n+----------+\r\n| count(*) |\r\n+----------+\r\n| 13901 |\r\n+----------+\r\nFetched 1 row(s) in 5.69s\r\n<\/code><\/pre>\n\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aKudu\u7684\u8868<\/h2>\n
\u4f7f\u7528CREATE TABLE AS SELECT\u6765\u4f7f\u7528HDFS\u4e0a\u7684\u5916\u90e8\u8868\u6570\u636e\u521b\u5efaKudu\u8868\uff0c\u4f46\u662f\u9047\u5230\u4e86\u9519\u8bef\u8fd4\u56de\u3002<\/p>\n
> CREATE TABLE passenger_data\r\nTBLPROPERTIES(\r\n'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n'kudu.table_name' = 'passenger_data',\r\n'kudu.master_addresses' = '127.0.0.1',\r\n'kudu.key_columns' = 'id'\r\n ) AS SELECT * FROM passenger_data_raw;\r\nQuery: create TABLE passenger_data\r\nTBLPROPERTIES(\r\n'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n'kudu.table_name' = 'passenger_data',\r\n'kudu.master_addresses' = '127.0.0.1',\r\n'kudu.key_columns' = 'id'\r\n ) AS SELECT * FROM passenger_data_raw\r\nERROR: AnalysisException: A data distribution must be specified using a DISTRIBUTE BY clause.\r\n<\/code><\/pre>\n\u6839\u636e\u6587\u6863\uff0c\u5199\u660e\u4e86\u9700\u8981\u6307\u5b9a\u9519\u8bef\u4e3aDISTRIBUTE BY\u3002\u6587\u6863\u4e2d\u6307\u51fa\uff0c\u9700\u8981\u4f7f\u7528DISTRIBUTE BY RANGE\u6216DISTRIBUTE BY HASH\u4e2d\u7684\u4efb\u4e00\u4e2a\u9009\u9879\u3002
\nhttp:\/\/www.cloudera.com\/documentation\/betas\/kudu\/0-9-0\/topics\/kudu_impala.html<\/p>\n
\u8fd9\u6b21\u6211\u51b3\u5b9a\u4f7f\u7528\u54c8\u5e0c\u6765\u6307\u5b9a\uff0c\u800c\u4e0d\u662f\u6307\u5b9a\u8303\u56f4\uff0c\u5c06\u539f\u59cb\u8868\uff08passenger_data_raw\uff09\u7684id\u5217\u5206\u621016\u4e2a\u6876\u3002<\/p>\n
DISTRIBUTE BY HASH (id) INTO 16 BUCKETS\r\n<\/code><\/pre>\n\u5c3d\u7ba1\u5df2\u7ecf\u53d1\u51fa\u8b66\u544a\uff0c\u4f46\u4ee5\u4e0b\u662f\u5b83\u7684\u6784\u6210\u65b9\u5f0f\u3002<\/p>\n
> CREATE TABLE passenger_data\r\n > DISTRIBUTE BY HASH (id) INTO 16 BUCKETS\r\n > TBLPROPERTIES(\r\n > 'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n > 'kudu.table_name' = 'passenger_data',\r\n > 'kudu.master_addresses' = '127.0.0.1',\r\n > 'kudu.key_columns' = 'id'\r\n > ) AS SELECT * FROM passenger_data_raw;\r\nQuery: create TABLE passenger_data\r\nDISTRIBUTE BY HASH (id) INTO 16 BUCKETS\r\nTBLPROPERTIES(\r\n'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n'kudu.table_name' = 'passenger_data',\r\n'kudu.master_addresses' = '127.0.0.1',\r\n'kudu.key_columns' = 'id'\r\n ) AS SELECT * FROM passenger_data_raw\r\n+-----------------------+\r\n| summary |\r\n+-----------------------+\r\n| Inserted 13901 row(s) |\r\n+-----------------------+\r\nWARNINGS: Error converting column: 12 TO BIGINT (Data is: Other)\r\nfile: hdfs:\/\/quickstart.cloudera:8020\/data\/MonthlyPassengerData_200507_to_201506.csv\r\nrecord: \r\n11381,201309,\"Atlas Air, Inc\",5Y,\"Atlas Air, Inc\",5Y,Domestic,US,Deplaned,Other,Other,Other,65\r\nError converting column: 12 TO BIGINT (Data is: Other)\r\nfile: hdfs:\/\/quickstart.cloudera:8020\/data\/MonthlyPassengerData_200507_to_201506.csv\r\nrecord: \r\n11382,201309,\"Atlas Air, Inc\",5Y,\"Atlas Air, Inc\",5Y,Domestic,US,Thru \/ Transit,Other,Other,Other,3\r\n\r\nFetched 1 row(s) in 1.86s\r\n[quickstart.cloudera:21000] > \r\n<\/code><\/pre>\n\u67e5\u8be2Kudu\u4e0a\u7684\u6570\u636e\u3002<\/h2>\n
\u67e5\u8be2\u5728Kudu\u4e0a\u521b\u5efa\u7684\u8868\u3002\u4e0e\u4e4b\u524d\u6267\u884c\u7684\u67e5\u8be2\u4e00\u6837\uff0c\u7b2c\u4e00\u6b21\u67e5\u8be2\u65f6\u9700\u8981\u82b1\u8d39\u8f83\u957f\u65f6\u95f4\uff0c\u56e0\u4e3aHive\u5143\u5b58\u50a8\u7684\u6570\u636e\u8fd8\u6ca1\u6709\u88ab\u7f13\u5b58\uff0c\u4f46\u662f\u4e4b\u540e\u7684\u67e5\u8be2\u4f1a\u5f88\u5feb\u3002<\/p>\n
> SELECT sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n GROUP BY operating_airline\r\n HAVING total IS NOT null\r\n ORDER BY total DESC LIMIT 10;\r\nQuery: select sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n GROUP BY operating_airline\r\n HAVING total IS NOT null\r\n ORDER BY total DESC LIMIT 10\r\n+-----------+----------------------------------+\r\n| total | operating_airline |\r\n+-----------+----------------------------------+\r\n| 105363917 | United Airlines - Pre 07\/01\/2013 |\r\n| 51319845 | United Airlines |\r\n| 32657456 | SkyWest Airlines |\r\n| 31727343 | American Airlines |\r\n| 23801507 | Delta Air Lines |\r\n| 23685267 | Virgin America |\r\n| 22507320 | Southwest Airlines |\r\n| 16235520 | US Airways |\r\n| 11860630 | Alaska Airlines |\r\n| 6706438 | JetBlue Airways |\r\n+-----------+----------------------------------+\r\nFetched 10 row(s) in 0.46s\r\n[quickstart.cloudera:21000] > \r\n<\/code><\/pre>\n\u66f4\u65b0\u6570\u636e<\/h2>\n
\u4ece\u8fd9\u91cc\u5f00\u59cb\u5c55\u793aKudu\u7684\u771f\u6b63\u5b9e\u529b\u3002\u521a\u624d\u7684\u6570\u636e\u96c6\u5b58\u5728\u95ee\u9898\uff0c\u540c\u4e00\u822a\u7a7a\u516c\u53f8\u88ab\u663e\u793a\u4e3a\u4e0d\u540c\u7684\u540d\u79f0\u3002\u6211\u4eec\u5c06\u4f7f\u7528UPDATE\u6765\u66f4\u65b0\u6570\u636e\u3002<\/p>\n
> UPDATE passenger_data\r\n > SET operating_airline=\"United Airlines\"\r\n > WHERE operating_airline LIKE \"United Airlines - Pre%\";\r\nQuery: update passenger_data\r\n SET operating_airline=\"United Airlines\"\r\n WHERE operating_airline LIKE \"United Airlines - Pre%\"\r\n\r\nFetched 0 row(s) in 0.15s\r\n[quickstart.cloudera:21000] >\r\n<\/code><\/pre>\n\u8ba9\u6211\u4eec\u6267\u884c\u67e5\u8be2\u5e76\u786e\u8ba4\u4e00\u4e0b\uff0c\u5b83\u4f3c\u4e4e\u5df2\u7ecf\u6ca1\u6709\u4efb\u4f55\u66f4\u6539\u4e86\u3002<\/p>\n
> SELECT sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n > GROUP BY operating_airline\r\n > HAVING total IS NOT null\r\n > ORDER BY total DESC LIMIT 10;\r\nQuery: select sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n GROUP BY operating_airline\r\n HAVING total IS NOT null\r\n ORDER BY total DESC LIMIT 10\r\n+-----------+--------------------+\r\n| total | operating_airline |\r\n+-----------+--------------------+\r\n| 156683762 | United Airlines |\r\n| 32657456 | SkyWest Airlines |\r\n| 31727343 | American Airlines |\r\n| 23801507 | Delta Air Lines |\r\n| 23685267 | Virgin America |\r\n| 22507320 | Southwest Airlines |\r\n| 16235520 | US Airways |\r\n| 11860630 | Alaska Airlines |\r\n| 6706438 | JetBlue Airways |\r\n| 6266220 | Northwest Airlines |\r\n+-----------+--------------------+\r\nFetched 10 row(s) in 0.46s\r\n[quickstart.cloudera:21000] >\r\n<\/code><\/pre>\n\u6570\u636e\u66f4\u65b0\u5f97\u5f88\u51c6\u786e\u5462\uff01HDFS\u662f\u4e00\u79cd\u53ea\u5199\u6587\u4ef6\u7cfb\u7edf\uff0c\u6240\u4ee5\u5728\u6570\u636e\u66f4\u65b0\u65b9\u9762\u5b58\u5728\u4e00\u4e9b\u6311\u6218\u3002\u4f46\u662f\uff0c\u4f7f\u7528Kudu\u53ef\u4ee5\u8f7b\u677e\u5730\u66f4\u65b0\u6570\u636e\uff0c\u5e76\u80fd\u591f\u5feb\u901f\u5206\u6790\u9891\u7e41\u66f4\u65b0\u7684\u6570\u636e\u3002<\/p>\n
\u7f51\u9875\u7528\u6237\u754c\u9762\u7684\u5c4f\u5e55\u622a\u56fe<\/h2>\n![\"kudu-master.png\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b7337434c4406c4a4d9\/58-0.png\" "\\"\\"")
<\/div>\n![\"kudu-master2.png\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b7337434c4406c4a4d9\/59-0.png\" "\\"\\"")
<\/div>\nKudu tablet-server (http:\/\/quickstart.cloudera:8051)<\/ul>\n![\"kudu-tablet1.png\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b7337434c4406c4a4d9\/61-0.png\" "\\"\\"")
<\/div>\n![\"kudu-tablet2.png\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d2b7337434c4406c4a4d9\/62-0.png\" "\\"\\"")
<\/div>\n\u6982\u62ec[\u6311\u9009\u4e00\u4e2a\u6458\u8981]<\/h1>\n
\u4f7f\u7528Kudu\u53ef\u4ee5\u5feb\u901f\u5206\u6790\u6dfb\u52a0\u5230HDFS\u4e2d\u7684\u6570\u636e\u3002\u5c3d\u7ba1Kudu\u5c1a\u672a\u6b63\u5f0f\u53d1\u5e03\uff0c\u4f46\u5b83\u5df2\u7ecf\u5728\u751f\u4ea7\u73af\u5883\u7684\u6570\u767e\u4e2a\u8282\u70b9\u4e0a\u6210\u529f\u8fd0\u884c\uff01<\/p>\n
\u88dc\u5145<\/h1>\n
Impala 2.3\u4ee5\u540e\u7248\u672c\u6709LIVE PROGRESS\u548cLIVE SUMMARY\u9009\u9879\uff0c\u4f46\u4f3c\u4e4e\u4e0d\u652f\u6301Kudu\uff0c\u56e0\u6b64\u672a\u663e\u793a\u3002\u5f88\u9057\u61be\u3002
\nhttp:\/\/www.cloudera.com\/documentation\/enterprise\/latest\/topics\/impala_live_progress.html
\nhttps:\/\/asciinema.org\/a\/1rv7qippo0fe7h5k1b6k4nexk<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7531\u4e8eApache Kudu\uff08http:\/\/kudu.apache.org\/\uff09\u6210\u4e3aApache\u9879\u76ee\u7684TLP\uff08\u9876\u5c42 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36899","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n
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- Macbook Pro (OSX El Capitan)<\/ul>\n<\/li>\n<\/ul>\n
<\/p>\n
- VirtualBox 5.0.10<\/ul>\n
\u6267\u884c\u5f15\u5bfc\u7a0b\u5e8f<\/h2>\n
\u83b7\u53d6\u5e76\u6267\u884cKudu\u7684\u5f15\u5bfc\u7a0b\u5e8f\u3002 \u5728Mac\u4e0a\u6253\u5f00\u7ec8\u7aef\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n
$ curl -s https:\/\/raw.githubusercontent.com\/cloudera\/kudu-examples\/master\/demo-vm-setup\/bootstrap.sh | bash\r\n<\/code><\/pre>\n\u5c06\u4f1a\u81ea\u52a8\u5f00\u59cb\u4e0b\u8f7dVirtual Box\u7684\u6620\u50cf\u6587\u4ef6\u3002\u7531\u4e8e\u6587\u4ef6\u5927\u5c0f\u5927\u7ea6\u4e3a1.2GB\uff0c\u6240\u4ee5\u53ef\u80fd\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u3002<\/p>\n
$ curl -s https:\/\/raw.githubusercontent.com\/cloudera\/kudu-examples\/master\/demo-vm-setup\/bootstrap.sh | bash\r\n+ : https:\/\/github.com\/cloudera\/kudu-examples.git\r\n+ git clone https:\/\/github.com\/cloudera\/kudu-examples.git\r\nCloning into 'kudu-examples'...\r\nremote: Counting objects: 366, done.\r\nremote: Total 366 (delta 0), reused 0 (delta 0), pack-reused 366\r\nReceiving objects: 100% (366\/366), 69.88 KiB | 0 bytes\/s, done.\r\nResolving deltas: 100% (119\/119), done.\r\nChecking connectivity... done.\r\n+ pushd kudu-examples\r\n~\/Downloads\/kudu-examples ~\/Downloads\r\n+ pushd demo-vm-setup\r\n~\/Downloads\/kudu-examples\/demo-vm-setup ~\/Downloads\/kudu-examples ~\/Downloads\r\n+ .\/setup-kudu-demo-vm.sh\r\nDownloading Virtualbox Image file: http:\/\/cloudera-kudu-beta.s3.amazonaws.com\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox.ova\r\n % Total % Received % Xferd Average Speed Time Time Time Current\r\n Dload Upload Total Spent Left Speed\r\n100 1361M 100 1361M 0 0 3069k 0 0:07:34 0:07:34 --:--:-- 1138k\r\n<\/code><\/pre>\n\u5f53\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u865a\u62df\u673a\u5c06\u5728VirtualBox\u4e0a\u542f\u52a8\u3002<\/p>\n
100 1361M 100 1361M 0 0 3216k 0 0:07:13 0:07:13 --:--:-- 3892k\r\n0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%\r\nInterface 'vboxnet6' was successfully created\r\nImporting VM cloudera-quickstart-vm-5.7.1-kudu-virtualbox.ova...\r\n0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%\r\nInterpreting \/Users\/kawasaki\/Downloads\/kudu-examples\/demo-vm-setup\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox.ova...\r\nOK.\r\nDisks:\r\n vmdisk1 68719476736 -1 http:\/\/www.vmware.com\/interfaces\/specifications\/vmdk.html#streamOptimized cloudera-quickstart-vm-5.7.1-kudu-virtualbox-disk1.vmdk -1 -1 \r\n\r\nVirtual system 0:\r\n 0: Suggested OS type: \"RedHat_64\"\r\n (change with \"--vsys 0 --ostype <type>\"; use \"list ostypes\" to list all possible values)\r\n 1: VM name specified with --vmname: \"kudu-demo\"\r\n 2: No. of CPUs specified with --cpus: 2\r\n 3: Guest memory specified with --memory: 6144 MB\r\n 4: Network adapter: orig NAT, config 3, extra slot=0;type=NAT\r\n 5: Network adapter: orig NAT, config 3, extra slot=1;type=NAT\r\n 6: CD-ROM\r\n (disable with \"--vsys 0 --unit 6 --ignore\")\r\n 7: IDE controller, type PIIX4\r\n (disable with \"--vsys 0 --unit 7 --ignore\")\r\n 8: IDE controller, type PIIX4\r\n (disable with \"--vsys 0 --unit 8 --ignore\")\r\n 9: Hard disk image: source image=cloudera-quickstart-vm-5.7.1-kudu-virtualbox-disk1.vmdk, target path=\/Users\/kawasaki\/VirtualBox VMs\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox\/cloudera-quickstart-vm-5.7.1-kudu-virtualbox-disk1.vmdk, controller=7;channel=0\r\n (change target path with \"--vsys 0 --unit 9 --disk path\";\r\n disable with \"--vsys 0 --unit 9 --ignore\")\r\n0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%\r\nSuccessfully imported the appliance.\r\nWaiting for VM \"kudu-demo\" to power on...\r\nVM \"kudu-demo\" has been successfully started.\r\nWait until services become available.\r\nUpdating the \/etc\/hosts file requires sudo rights.\r\nPassword:\r\n<\/code><\/pre>\n<\/div>\n\u5b8c\u6210\u4e4b\u540e\uff0c\u6253\u5f00\u53e6\u4e00\u4e2a\u7ec8\u7aef\u5e76\u5c1d\u8bd5\u4f7f\u7528SSH\u8bbf\u95ee\u3002\u5728\u672c\u5730\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u4e4b\u524d\u5c1d\u8bd5\u8fc7\u7684\u73af\u5883\u4ecd\u7136\u5b58\u5728\uff0c\u6240\u4ee5\u65e0\u6cd5\u4e0equickstart.cloudera\u8fdb\u884c\u901a\u4fe1\u3002\u56e0\u6b64\uff0c\u6211\u5df2\u7ecf\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6dfb\u52a0\u5230\/etc\/hosts\u4e2d\u3002<\/p>\n
127.0.0.1 localhost localhost.domain\r\n192.168.62.100 quickstart.cloudera quickstart\r\n<\/code><\/pre>\nssh\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u662fdemo\u3002<\/p>\n
$ ssh demo@quickstart.cloudera\r\ndemo@quickstart.cloudera's password: \r\nLast login: Tue Jul 26 05:16:28 2016 from 192.168.60.1\r\n[demo@quickstart ~]$ \r\n<\/code><\/pre>\n\u6211\u6210\u529f\u5730\u767b\u5f55\u4e86\uff0c\u786e\u8ba4kudu\u548cimpalad\u6b63\u5728\u8fd0\u884c\u4e2d\u3002<\/p>\n
[demo@quickstart ~]$ ps aux |grep kudu\r\n[demo@quickstart ~]$ ps aux |grep kudu\r\nkudu 3035 0.7 0.5 547028 31164 ? Sl 05:51 0:01 \/usr\/lib\/kudu\/sbin\/kudu-master --flagfile=\/etc\/kudu\/conf\/master.gflagfile\r\nkudu 3174 0.6 0.2 1245340 13968 ? Sl 05:51 0:01 \/usr\/lib\/kudu\/sbin\/kudu-tserver --flagfile=\/etc\/kudu\/conf\/tserver.gflagfile\r\ndemo 3811 0.0 0.0 107452 948 pts\/0 S+ 05:55 0:00 grep kudu\r\n[demo@quickstart ~]$ ps aux |grep impalad\r\nimpala 2999 2.4 2.7 4170804 163588 ? Sl 05:51 0:05 \/usr\/lib\/impala\/sbin\/impalad -log_dir=\/var\/log\/impala -catalog_service_host=127.0.0.1 -state_store_port=24000 -use_statestore -state_store_host=127.0.0.1 -be_port=22000\r\ndemo 3813 0.0 0.0 107452 948 pts\/0 S+ 05:55 0:00 grep impalad\r\n[demo@quickstart ~]$ \r\n<\/code><\/pre>\n\u8003\u8bd5<\/h1>\n
\u6309\u7167\u4e0b\u8f7d\u9875\u9762\u7684\u6559\u7a0b\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
\u52a0\u8f7d\u6837\u672c\u6570\u636e<\/h2>\n
\u52a0\u8f7dSFO\u4e58\u5ba2\u6570\u636e\u3002<\/p>\n
$ hdfs dfs -mkdir \/data\r\n$ hdfs dfs -put examples\/SFO_Passenger_Data\/MonthlyPassengerData_200507_to_201506.csv \/data\r\n<\/code><\/pre>\n\u542f\u52a8Impala Shell\u3002<\/h2>\n
\u4f7f\u7528\u5206\u5e03\u5f0fSQL\u5f15\u64ceImpala\u8fde\u63a5\u5230Kudu\u3002\u5728\u53e6\u4e00\u4e2a\u7ec8\u7aef\u4e2d\u6253\u5f00\u5e76\u542f\u52a8impala-shell\u3002<\/p>\n
$ ssh demo@quickstart.cloudera -t impala-shell\r\ndemo@quickstart.cloudera's password: \r\nStarting Impala Shell without Kerberos authentication\r\nConnected to quickstart.cloudera:21000\r\nServer version: impalad version 2.7.0-cdh5-IMPALA_KUDU-cdh5 RELEASE (build fc36c3c7fbbbdfb0e8b1b0e6ee7505531a384550)\r\n***********************************************************************************\r\nWelcome to the Impala shell. Copyright (c) 2015 Cloudera, Inc. All rights reserved.\r\n(Impala Shell v2.7.0-cdh5-IMPALA_KUDU-cdh5 (fc36c3c) built on Tue Jun 14 23:55:45 PDT 2016)\r\n\r\nTo see live updates on a query's progress, run 'set LIVE_SUMMARY=1;'.\r\n***********************************************************************************\r\n[quickstart.cloudera:21000] > \r\n<\/code><\/pre>\n\u521b\u5efa\u684c\u5b50<\/h2>\n
\u901a\u8fc7Impala shell\u5c06\u4ee5\u4e0b\u5185\u5bb9\u590d\u5236\u7c98\u8d34\u5230\u521b\u5efapassenger_data_raw\u8868\u3002\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528\u5728HDFS\u4e0a\u4e0a\u4f20\u7684\u6570\u636e\u7684\u5e38\u89c1Impala\/Hive\u8868\u3002<\/p>\n
CREATE EXTERNAL TABLE passenger_data_raw (\r\n id int,\r\n activity_period int,\r\n operating_airline string,\r\n airline_iata_code string,\r\n published_airline string,\r\n published_airline_iata_code string,\r\n geo_summary string,\r\n geo_region string,\r\n activity_type_code string,\r\n price_category_code string,\r\n terminal string,\r\n boarding_area string,\r\n passenger_count bigint\r\n)\r\nROW FORMAT DELIMITED\r\nFIELDS TERMINATED BY ','\r\nLOCATION '\/data\/';\r\n<\/code><\/pre>\n\u6267\u884c\u6d4b\u8bd5\u67e5\u8be2<\/h2>\n
\u6211\u5c06\u5c1d\u8bd5\u67e5\u8be2\u3002\uff08\u7b2c\u4e00\u6b21\u7531\u4e8e\u5143\u6570\u636e\u7f13\u5b58\u672a\u5b9e\u65bd\uff0c\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002\u7b2c\u4e8c\u6b21\u7ea6\u4e3a0.5\u79d2\uff09<\/p>\n
> SELECT count(*) FROM passenger_data_raw;\r\nQuery: select count(*) FROM passenger_data_raw\r\n+----------+\r\n| count(*) |\r\n+----------+\r\n| 13901 |\r\n+----------+\r\nFetched 1 row(s) in 5.69s\r\n<\/code><\/pre>\n\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aKudu\u7684\u8868<\/h2>\n
\u4f7f\u7528CREATE TABLE AS SELECT\u6765\u4f7f\u7528HDFS\u4e0a\u7684\u5916\u90e8\u8868\u6570\u636e\u521b\u5efaKudu\u8868\uff0c\u4f46\u662f\u9047\u5230\u4e86\u9519\u8bef\u8fd4\u56de\u3002<\/p>\n
> CREATE TABLE passenger_data\r\nTBLPROPERTIES(\r\n'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n'kudu.table_name' = 'passenger_data',\r\n'kudu.master_addresses' = '127.0.0.1',\r\n'kudu.key_columns' = 'id'\r\n ) AS SELECT * FROM passenger_data_raw;\r\nQuery: create TABLE passenger_data\r\nTBLPROPERTIES(\r\n'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n'kudu.table_name' = 'passenger_data',\r\n'kudu.master_addresses' = '127.0.0.1',\r\n'kudu.key_columns' = 'id'\r\n ) AS SELECT * FROM passenger_data_raw\r\nERROR: AnalysisException: A data distribution must be specified using a DISTRIBUTE BY clause.\r\n<\/code><\/pre>\n\u6839\u636e\u6587\u6863\uff0c\u5199\u660e\u4e86\u9700\u8981\u6307\u5b9a\u9519\u8bef\u4e3aDISTRIBUTE BY\u3002\u6587\u6863\u4e2d\u6307\u51fa\uff0c\u9700\u8981\u4f7f\u7528DISTRIBUTE BY RANGE\u6216DISTRIBUTE BY HASH\u4e2d\u7684\u4efb\u4e00\u4e2a\u9009\u9879\u3002
\nhttp:\/\/www.cloudera.com\/documentation\/betas\/kudu\/0-9-0\/topics\/kudu_impala.html<\/p>\n
\u8fd9\u6b21\u6211\u51b3\u5b9a\u4f7f\u7528\u54c8\u5e0c\u6765\u6307\u5b9a\uff0c\u800c\u4e0d\u662f\u6307\u5b9a\u8303\u56f4\uff0c\u5c06\u539f\u59cb\u8868\uff08passenger_data_raw\uff09\u7684id\u5217\u5206\u621016\u4e2a\u6876\u3002<\/p>\n
DISTRIBUTE BY HASH (id) INTO 16 BUCKETS\r\n<\/code><\/pre>\n\u5c3d\u7ba1\u5df2\u7ecf\u53d1\u51fa\u8b66\u544a\uff0c\u4f46\u4ee5\u4e0b\u662f\u5b83\u7684\u6784\u6210\u65b9\u5f0f\u3002<\/p>\n
> CREATE TABLE passenger_data\r\n > DISTRIBUTE BY HASH (id) INTO 16 BUCKETS\r\n > TBLPROPERTIES(\r\n > 'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n > 'kudu.table_name' = 'passenger_data',\r\n > 'kudu.master_addresses' = '127.0.0.1',\r\n > 'kudu.key_columns' = 'id'\r\n > ) AS SELECT * FROM passenger_data_raw;\r\nQuery: create TABLE passenger_data\r\nDISTRIBUTE BY HASH (id) INTO 16 BUCKETS\r\nTBLPROPERTIES(\r\n'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',\r\n'kudu.table_name' = 'passenger_data',\r\n'kudu.master_addresses' = '127.0.0.1',\r\n'kudu.key_columns' = 'id'\r\n ) AS SELECT * FROM passenger_data_raw\r\n+-----------------------+\r\n| summary |\r\n+-----------------------+\r\n| Inserted 13901 row(s) |\r\n+-----------------------+\r\nWARNINGS: Error converting column: 12 TO BIGINT (Data is: Other)\r\nfile: hdfs:\/\/quickstart.cloudera:8020\/data\/MonthlyPassengerData_200507_to_201506.csv\r\nrecord: \r\n11381,201309,\"Atlas Air, Inc\",5Y,\"Atlas Air, Inc\",5Y,Domestic,US,Deplaned,Other,Other,Other,65\r\nError converting column: 12 TO BIGINT (Data is: Other)\r\nfile: hdfs:\/\/quickstart.cloudera:8020\/data\/MonthlyPassengerData_200507_to_201506.csv\r\nrecord: \r\n11382,201309,\"Atlas Air, Inc\",5Y,\"Atlas Air, Inc\",5Y,Domestic,US,Thru \/ Transit,Other,Other,Other,3\r\n\r\nFetched 1 row(s) in 1.86s\r\n[quickstart.cloudera:21000] > \r\n<\/code><\/pre>\n\u67e5\u8be2Kudu\u4e0a\u7684\u6570\u636e\u3002<\/h2>\n
\u67e5\u8be2\u5728Kudu\u4e0a\u521b\u5efa\u7684\u8868\u3002\u4e0e\u4e4b\u524d\u6267\u884c\u7684\u67e5\u8be2\u4e00\u6837\uff0c\u7b2c\u4e00\u6b21\u67e5\u8be2\u65f6\u9700\u8981\u82b1\u8d39\u8f83\u957f\u65f6\u95f4\uff0c\u56e0\u4e3aHive\u5143\u5b58\u50a8\u7684\u6570\u636e\u8fd8\u6ca1\u6709\u88ab\u7f13\u5b58\uff0c\u4f46\u662f\u4e4b\u540e\u7684\u67e5\u8be2\u4f1a\u5f88\u5feb\u3002<\/p>\n
> SELECT sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n GROUP BY operating_airline\r\n HAVING total IS NOT null\r\n ORDER BY total DESC LIMIT 10;\r\nQuery: select sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n GROUP BY operating_airline\r\n HAVING total IS NOT null\r\n ORDER BY total DESC LIMIT 10\r\n+-----------+----------------------------------+\r\n| total | operating_airline |\r\n+-----------+----------------------------------+\r\n| 105363917 | United Airlines - Pre 07\/01\/2013 |\r\n| 51319845 | United Airlines |\r\n| 32657456 | SkyWest Airlines |\r\n| 31727343 | American Airlines |\r\n| 23801507 | Delta Air Lines |\r\n| 23685267 | Virgin America |\r\n| 22507320 | Southwest Airlines |\r\n| 16235520 | US Airways |\r\n| 11860630 | Alaska Airlines |\r\n| 6706438 | JetBlue Airways |\r\n+-----------+----------------------------------+\r\nFetched 10 row(s) in 0.46s\r\n[quickstart.cloudera:21000] > \r\n<\/code><\/pre>\n\u66f4\u65b0\u6570\u636e<\/h2>\n
\u4ece\u8fd9\u91cc\u5f00\u59cb\u5c55\u793aKudu\u7684\u771f\u6b63\u5b9e\u529b\u3002\u521a\u624d\u7684\u6570\u636e\u96c6\u5b58\u5728\u95ee\u9898\uff0c\u540c\u4e00\u822a\u7a7a\u516c\u53f8\u88ab\u663e\u793a\u4e3a\u4e0d\u540c\u7684\u540d\u79f0\u3002\u6211\u4eec\u5c06\u4f7f\u7528UPDATE\u6765\u66f4\u65b0\u6570\u636e\u3002<\/p>\n
> UPDATE passenger_data\r\n > SET operating_airline=\"United Airlines\"\r\n > WHERE operating_airline LIKE \"United Airlines - Pre%\";\r\nQuery: update passenger_data\r\n SET operating_airline=\"United Airlines\"\r\n WHERE operating_airline LIKE \"United Airlines - Pre%\"\r\n\r\nFetched 0 row(s) in 0.15s\r\n[quickstart.cloudera:21000] >\r\n<\/code><\/pre>\n\u8ba9\u6211\u4eec\u6267\u884c\u67e5\u8be2\u5e76\u786e\u8ba4\u4e00\u4e0b\uff0c\u5b83\u4f3c\u4e4e\u5df2\u7ecf\u6ca1\u6709\u4efb\u4f55\u66f4\u6539\u4e86\u3002<\/p>\n
> SELECT sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n > GROUP BY operating_airline\r\n > HAVING total IS NOT null\r\n > ORDER BY total DESC LIMIT 10;\r\nQuery: select sum(passenger_count) AS total, operating_airline FROM passenger_data\r\n GROUP BY operating_airline\r\n HAVING total IS NOT null\r\n ORDER BY total DESC LIMIT 10\r\n+-----------+--------------------+\r\n| total | operating_airline |\r\n+-----------+--------------------+\r\n| 156683762 | United Airlines |\r\n| 32657456 | SkyWest Airlines |\r\n| 31727343 | American Airlines |\r\n| 23801507 | Delta Air Lines |\r\n| 23685267 | Virgin America |\r\n| 22507320 | Southwest Airlines |\r\n| 16235520 | US Airways |\r\n| 11860630 | Alaska Airlines |\r\n| 6706438 | JetBlue Airways |\r\n| 6266220 | Northwest Airlines |\r\n+-----------+--------------------+\r\nFetched 10 row(s) in 0.46s\r\n[quickstart.cloudera:21000] >\r\n<\/code><\/pre>\n\u6570\u636e\u66f4\u65b0\u5f97\u5f88\u51c6\u786e\u5462\uff01HDFS\u662f\u4e00\u79cd\u53ea\u5199\u6587\u4ef6\u7cfb\u7edf\uff0c\u6240\u4ee5\u5728\u6570\u636e\u66f4\u65b0\u65b9\u9762\u5b58\u5728\u4e00\u4e9b\u6311\u6218\u3002\u4f46\u662f\uff0c\u4f7f\u7528Kudu\u53ef\u4ee5\u8f7b\u677e\u5730\u66f4\u65b0\u6570\u636e\uff0c\u5e76\u80fd\u591f\u5feb\u901f\u5206\u6790\u9891\u7e41\u66f4\u65b0\u7684\u6570\u636e\u3002<\/p>\n
\u7f51\u9875\u7528\u6237\u754c\u9762\u7684\u5c4f\u5e55\u622a\u56fe<\/h2>\n<\/div>\n<\/div>\nKudu tablet-server (http:\/\/quickstart.cloudera:8051)<\/ul>\n<\/div>\n<\/div>\n\u6982\u62ec[\u6311\u9009\u4e00\u4e2a\u6458\u8981]<\/h1>\n
\u4f7f\u7528Kudu\u53ef\u4ee5\u5feb\u901f\u5206\u6790\u6dfb\u52a0\u5230HDFS\u4e2d\u7684\u6570\u636e\u3002\u5c3d\u7ba1Kudu\u5c1a\u672a\u6b63\u5f0f\u53d1\u5e03\uff0c\u4f46\u5b83\u5df2\u7ecf\u5728\u751f\u4ea7\u73af\u5883\u7684\u6570\u767e\u4e2a\u8282\u70b9\u4e0a\u6210\u529f\u8fd0\u884c\uff01<\/p>\n
\u88dc\u5145<\/h1>\n
Impala 2.3\u4ee5\u540e\u7248\u672c\u6709LIVE PROGRESS\u548cLIVE SUMMARY\u9009\u9879\uff0c\u4f46\u4f3c\u4e4e\u4e0d\u652f\u6301Kudu\uff0c\u56e0\u6b64\u672a\u663e\u793a\u3002\u5f88\u9057\u61be\u3002
\nhttp:\/\/www.cloudera.com\/documentation\/enterprise\/latest\/topics\/impala_live_progress.html
\nhttps:\/\/asciinema.org\/a\/1rv7qippo0fe7h5k1b6k4nexk<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7531\u4e8eApache Kudu\uff08http:\/\/kudu.apache.org\/\uff09\u6210\u4e3aApache\u9879\u76ee\u7684TLP\uff08\u9876\u5c42 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36899","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n
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