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Create a table: hive> Create Table pokes (FOO int, bar string); creates a table called pokes with two columns, the first being an integer and the other a string Create a new table with the same structure as other hive> Create Table new_table like records; Create a partition table: hive> Create Table logs (TS bigint, line string) partitioned by (DT string, country
Recently combined with specific projects, set up Hadoop+hive, before running Hive to first set up a good Hadoop, about the construction of Hadoop has three models, in the following introduction, I mainly used the pseudo distribution of Hadoop installation mode. Write it down for you to share.Preparatory work:all of the above downloaded installation packages are in the/usr/local/hadoop directory after the de
Hive is now the most common and inexpensive solution for building data warehouses in the Big data era, although there are also other rising stars such as Impala, but the status of hive is not yet shaken in terms of functionality and stability.In fact, this blog is mainly to talk about SMB join, join is the most core part of the whole mr/hive, is the part of each
Recently in the data analysis of a traffic flow, the demand is for a huge amount of urban traffic data, need to use MapReduce cleaning after importing into hbase storage, and then using the Hive External table associated with hbase, hbase data query, statistical analysis, Save the analysis results in a hive table, and finally use Sqoop to import the data from that table into MySQL. The whole process is prob
1. Installation EnvironmentJDK1.7.0 centOS6.4 hive0.13.1 cdh5.3.6 hadoop2.5.0 MySQL 2, Hive functional Framework Introduction Hive is a tool for any size data analysis in SQL style, characterized by the use of SQL commands similar to relational databases. It is characterized by the large data of Hadoop processed through SQL, the scale of data can be scaled to 100pb+, the data form can be structural or unst
'--table TB_ Region--hbase-table Mysql_trade_dev--hbase-row-key region_id--column-family Region 4.3 Verification Scan ' Mysql_trade_dev 'Count ' Mysql_trade_dev ' 5. Import Hive Bin/sqoop Import--connect jdbc:mysql://192.168.1.187:3306/trade_dev--username ' mysql '--password ' 111111 '--table TB_ Region--hive-import--create-hive-table
1. Hive Introduction 1.1 belongs to the role of data warehouse in the hadoop ecosystem. It can manage data in hadoop and query data in hadoop. Basically, hive is an SQL parsing engine. Hive can convert SQL queries to MapReduce jobs for running. Hive has a set of Ing tools 1. Hive
Project report system using open source Mondrian and Saiku as a tool to achieve, and now I have to be familiar with the OLAP this piece of things, the first thing to face is Mondrian this mountain, Listen to their previous developer said Mondrian inside there will be a lot of pits, especially performance problems, in the previous test process himself also encountered some problems, but at that time did not how to record a two months to almost forget how to solve. But at that time for Mondrian
There are no complex partition types (range partitions, list partitions, hash partitions, and hybrid partitions) to create partition tables in hive ). Partition columns are not an actual field in the table, but one or more pseudo columns. This means that the partition column information and data are not saved in the table data file.The following statement creates a simple partition table: Create Table partition_test(Member_id string,Name string)Partit
One, several ways of hive data import Start by listing the data and hive tables that describe the following ways of importing. Hive table: Create Testa: CREATE TABLE Testa ( ID INT, name string, area string ) partitioned by (Create_time string) ROW FORMAT DEL imited FIELDS terminated by ', ' STORED as textfile; Create TESTB: CREATE TABLE TESTB ( ID INT,
1, because I use MySQL as a hive metabase, so install MySQL first.Reference: http://www.cnblogs.com/hunttown/p/5452205.htmlLogin command: Mysql-h host address-u user name-P user PasswordMysql–u root # initial login without passwordChange PasswordFormat: Mysqladmin-u username-P Old password password new passwordMysql>mysqladmin-uroot–password 123456Note: Because Root does not have a password at the beginning, the-p old password can be omitted.Create
Several data import methods of hiveToday's topic is a summary of several common data import methods for hive, which I summarize in four ways:(1), import data from the local file system to the hive table;(2), import data from HDFs to hive table;(3), the corresponding data from other tables are queried and imported into the hiv
Create/drop/grant/revoke Roles and PrivilegesHive Default authorization-legacy Mode has information about these DDL statements: CREATE ROLE GRANT ROLE REVOKE ROLE GRANT Privilege_type REVOKE Privilege_type DROP ROLE SHOW ROLE GRANT SHOW GRANT For SQL standard based authorization in Hive 0.13.0 and later releases, see these DDL statements: Role Management Commands CREATE ROLE GRANT ROL
Document directory 1. Hadoop and Hbase have been installed successfully. 2. Copy the hbase-0.90.4.jar and zookeeper-3.3.2.jar to hive/lib. 3. Modify the hive-site.xml file in hive/conf and add the following content at the bottom: 4. Copy the hbase-0.90.4.jar to hadoop/lib on all hadoop nodes (including the master. 1. Start a Single Node 2. Start the clust
QQ Exchange Group: 335671559, Welcome to Exchange First, what is hive metadata. Hive metadata is some of the basic elements of hive, including the basic properties of hive tables, as follows (1) The database name, table name, field name and type of Hive table, partition fie
Environment only needs to be installed on one node 2. Set environment variable vi. bash_profileexportJAVA_HOMEusrlibjvmjava-1.6.0-openjdk-1.6 Install and configure hive 1. download wget http://mirror.mel.bkb.net.au/pub/apache//hive/stable/hive-0.8.1.tar.gz tar zxf hive-0.8.1.tar.gz only needs to install on one node 2.
Hive is a basic data warehouse architecture built on Hadoop. It provides a series of tools for data extraction, conversion, and loading. Hive is a basic data warehouse architecture built on Hadoop. It provides a series of tools for data extraction, conversion, and loading. Basic Hive learning documents and tutorials Abstract:
Directory structure: Hadoop cluster (CDH4) practices (0) preface Hadoop cluster (CDH4) Practices (1) Hadoop (HDFS) Build Hadoop cluster (CDH4) practices (2) build Hadoop cluster (CDH4) using HBaseZookeeper (3) Build Hadoop cluster (CHD4) using Hive (4) Build Hadoop cluster (CHD4) using Oozie (5) Sqoop Security Directory structure: Hadoop cluster (CDH4) practices (0) preface Hadoop cluster (CDH4) Practices (1) Hadoop (HDFS) Build Hadoop cluster (CDH4)
This is a creation in Article, where the information may have evolved or changed. Hive,skynet and Go languages 2013-09-25 Hive,skynet and Go languages Both Hive and Skynet are open source projects for the cloud-inspired gods. Skynet is an open-source concurrency framework based on the actor model. Hive is a redesigned
First, install MySQL1 Installing the serversudo apt-get Install Mysql-server2 Installing the MySQL clientsudo apt-get install mysql-clientsudo apt-get install Libmysqlclient-dev3 Check if there is a MySQL service open if the second line appears successfullynetstat-tap| grep mysqltcp 0 0 *:mysql *:* LISTEN 61534 turn on the MySQL service commandService MySQL Start5root Login New UserMysql-u root-pRoot initial password is empty, enter the comma
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