myid hive

What is HiveTurn from: 791026911. Hive IntroductionHive is a data warehouse infrastructure built on Hadoop. It provides a range of tools that can be used for data extraction conversion loading (ETL), a mechanism that can store, query, and analyze large-scale data stored in Hadoop. Hive defines a simple class-SQL query language called HQL, which allows the user who is familiar with SQL to query data. At the

Hive learning Roadmap The hadoop family articles mainly introduce hadoop family products. Common projects include hadoop, hive, pig, hbase, sqoop, mahout, Zookeeper, Avro, ambari, chukwa, new projects include yarn, hcatalog, oozie, Cassandra, hamr, whirr, flume, bigtop, crunch, and hue. Since 2011, China has entered the age of big data. Family software represented by hadoop occupies a vast territory of big

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 Facebook's thrift. Avro is used to do later RPC of Hadoop, make Hadoop RPC module communicate faster, data structure is more compact 。 Chukwa Chukwa is a large cluster monitorin

Alex's Hadoop cainiao Tutorial: tutorial 10th Hive getting started, hadoophiveInstall Hive Compared to many tutorials, I first introduced concepts. I like to install them first, and then use examples to introduce them. Install Hive first. First confirm whether the corresponding yum source has been installed, if not as written in this tutorial install cdh yum sour

Here we will not discuss how to use hive. According to the introduction in this document, hive registries are divided into three types: boot hive, system HV, and user hive. Boot hive refers to the registry information that needs to be used in the boot process. This part cann

Ambari Hive cannot be properly queried 1. An error occurred today. After connecting to hive, no command can be executed. $ Beeline-u "jdbc: hive2: // hostname.domain.cn: 10000/default; principal = hive/_ HOST@domain.com ;"Connecting to jdbc: hive2: // hostname.domain.cn: 10000/default; principal = hive/_ HOST@domain.co

some summarization on the optimization of hive performance Note that this article 90% from this article: Hive performance optimization, very grateful to the author of the careful collation, some of which I have done supplements and additions, if there is anything wrong to write, please leave a message, thank you Preface Today, the phone interview was suddenly involved in the

0. Installation environment and versionUbuntu16,Hadoop version is 2.7.2, choose Hive version to hive-2.1.171. Hive installation package DownloadAddress: https://mirrors.tuna.tsinghua.edu.cn/apache/hive/2. Unzip after uploading to the serversudo mv apache-hive-2.1.1-bin.tar.g

1.1 Installation1.Hive relies on the Hadoop environment, all installed before installing hadoop,hive generally installed on the Namenode node of Hadoop;2. Download hive latest release version (0.7.1) http://www.apache.org/dyn/closer.cgi/hive/3. Extract the compressed installation package to a directory, such as/home/ha

This document describes how to manually install the clouderaHivecdh4.2.0 cluster. For environment setup and Hadoop and HBase installation processes, see the previous article. Install hivehive on desktop1. Note that hive saves metadata using the derby database by default. Replace it with postgresql here. The following describes how to install postgresql and copy postg. This document describes how to manually install the cloudera

Today I am mainly in this hive, read the book in the morning, the beginning a bit messy, the back slowly found that hive is actually quite simple, to my understanding is and database related things, then this is easier for me, because I am more familiar with SQL syntax, and this is HQL, In fact, many are similar. Let's take a look at Hive's basic introduction:First, Hiv