learn hive hadoop

Directory structure Hadoop cluster (CDH4) practice (0) PrefaceHadoop cluster (CDH4) Practice (1) Hadoop (HDFS) buildHadoop cluster (CDH4) Practice (2) Hbasezookeeper buildHadoop cluster (CDH4) Practice (3) Hive BuildHadoop cluster (CHD4) Practice (4) Oozie build Hadoop cluster (CDH4) practice (0) Preface During my t

transferred from: http://blog.csdn.net/lifuxiangcaohui/article/details/40588929Hive is based on the Hadoop distributed File system, and its data is stored in a Hadoop Distributed file system. Hive itself does not have a specific data storage format and does not index the data, only the column separators and row separators in the

1. Installing hiveBefore installing hive, make sure that Hadoop is installed, if it is not installed, refer to Centoos install Hadoop cluster for installation;　　　1.1, download, unzipDownload hive2.1.1:http://mirror.bit.edu.cn/apache/hive/hive-2.1.1/apache-

3, hive installation configuration3.1install MySQLInstalling MySQL on the datanode5# yum-y Installmysql-server MySQL# MySQLMysql> Grant all privileges on * * [email protected] ' 10.40.214.% ' identified by ' hive ';mysql> flush Privileges;3.2Installing Hive# tar-zxf Apache-hive-0.13.1-bin.tar.gz-c/var/data/; Mv/var/dat

Label: First,Eclipse new Other-"map/reduce Project Project The project automatically contains the jar packages of the associated Hadoop, In addition, you will need to import the following hive and the MySQL-connected jar package separately: Hive/lib/*.jar Mysql-connector-java-5.1.24-bin.jar Second, the shipment hiveserver Command: bin/

# HTTP://ARCHIVE.APACHE.ORG/DIST/HIVE/HIVE-2.1.1/# ================================================================== Installing HiveTAR-ZXVF apache-hive-2.1.1-bin.tar.gz-c/usr/localmv/usr/local/apache-hive-2.1.1-bin/usr/local/hive-2.1.1rm–r ~/ APACHE-

I have already set up the hadoop and hive environments, created a table page in hive, and loaded the data in. Now I want to count the traffic of each URL from this table and put it in another relational database or display it on the page. What should I do? Go to the official website and check whether Java, Python, and PHP can be used for implementation. The follo

family The entire Hadoop consists of the following subprojects: Member name use Hadoop Common A low-level module of the Hadoop system that provides various tools for Hadoop subprojects, such as configuration files and log operations. Avro Avro is the RPC project hosted by Doug Cutting, a bit like Google's Protobuf and

table(dbms_xplan.display):Perform a full table scan, of course the cost of a full table scan is relatively highThe department number is indexed belowindexon emp(deptno):索引已创建。forselectfromwhere deptno=10:已解释。selectfrom table(dbms_xplan.display):It's an index-based scan that's faster for full-table scanning.It's almost like Oracle for Hive.So:0hadoop Use HDFS for storage and compute with MapReduce 0 Meta Data storage (Metastore) Typically stored in a relational database su

Start using Hadoop and hive to analyze mobile phone usage in hdinsightin order to get you started quickly using Hdinsight, this tutorial will show you how to run a query hive extracted from a Hadoop cluster, from unstructured data to meaningful information. Then, you will analyze the results in Microsoft Excel. Attent

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

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 H