sqoop etl

1. Download sqoop to/usr/local: wget http://archive.cloudera.com/cdh4/cdh/4/sqoop-1.4.3-cdh4.6.0.tar.gz2. Decompression: tar-zxvf sqoop-1.4.3-cdh4.6.0.tar.gz3. Rename: Music sqoop-1.4.3-cdh4.6.0 sqoop4. Add the environment variable/etc/profile:Export SQOOP_HOME =/usr/local/sqoopExport CLASSPATH =.: $ CLASSPATH: $ SQOOP

SqoopRelational DB and Hive/hdfs/hbase import the exported MapReduce framework.Http://archive.cloudera.com/cdh5/cdh/5/sqoop-1.4.4-cdh5.1.0/SqoopUserGuide.htmlEtl:extraction-transformation-loading abbreviations, data extraction, transformations (business processing), and loading.File data Source: Hive load CommandRelational DB data Source: Sqoop ExtractionSqoop Import data to hdfs/hive/hbase--> Business proc

Sqoop installation: Installed on a node on the can.1. Upload Sqoop2. Install and configure add SQOOP to environment variable copy the database connection driver to $sqoop_home/lib 3. Use the first class: Data in the database is imported into HDFs SQOOP import--connect jdbc:mysql://192.16 8.1.10:3306/itcast--username root--password 123--table trade_detail--columns

Operating Environment CentOS 5.6 Hadoop HiveSqoop is a tool developed by the Clouder company that enables Hadoop technology to import and export data between relational databases and hdfs,hive.Shanghai still school Hadoop Big Data Training Group original, there are hadoop big Data technology related articles, please pay more attention!Problems you may encounter during use: Sqoop relies on zookeeper, so zookeeper_home must be configured in the

GroupCompany (embedded ETL tool) Financial Reporting SystemSolution Solutionsa,Project background:a Group company is a company with more than a large group of subsidiaries, its subsidiaries involved in various industries, including: gold, copper, real estate, chemical fiber and so on. Due to the differences in the business of subsidiaries, the financial statements of subsidiaries have many differences. Therefore, each subsidiary needs to make the rep

1. Trigger modeThe trigger mode is an incremental extraction mechanism commonly adopted. The method is based on the extraction requirements, on the source table to be extracted to insert, modify, delete 3 triggers, whenever the data in the source table changes, the corresponding trigger will change the data to a Delta log table, ETL incremental extraction is from the Delta Log table instead of directly in the source table to extract data, At the same

Sqoop installation is also very simple. After sqoop is installed, you can test whether it can be connected to mysql (Note: The jar package of mysql should be placed under SQOOP_HOMElib ): Sqoop installation is also very simple. After sqoop is installed, you can test whether it can be connected to mysql (Note: The jar p

Sqoop Although the stable application in the production environment for many years, but some of its own shortcomings to the actual operation caused inconvenience. Sqoop2 became the object of research, so what are the advantages of SQOOP2? First of all, we first understand the use of Sqoop, using sqoop data will not be lost, and

Official sqoop Website: Http://sqoop.apache.org/ *) Sqoop IntroductionSqoop is used to transmit data in hadoop and relational databases. Through sqoop, we can easily import data from a relational database to HDFS, or export data from HDFS to a relational database. Reference link:Http://blog.csdn.net/yfkiss/article/details/8700480 *) Simple Sample CasesObjective:

Customer Perspective: Oracle ETL Tool ODIData integration has become the enterprise in the pursuit of market share of the key technology components, and rely on manual coding in different ways, more and more enterprises choose a complete data integration solution to support its IT strategy, from big data analysis to cloud platform integration.A recent study by Dao Research compares the differences between several of the world's leading data integratio

OverviewSqoop is an Apache top-level project that is used primarily to pass data in Hadoop and relational databases. With Sqoop, we can easily import data from a relational database into HDFs, or export data from HDFs to a relational database. Sqoop Architecture: The Sqoop architecture is simple enough to integrate hive, HBase, and Oozie to transmit data through

Sqoop is used to import and export data.(1) Import data from databases such as MySQL, Oracle, etc. into HDFs, Hive, HBase (2) Export data from HDFs, Hive, hbase to MySQL, Oracle and Other databases (3) Import and export transactions are in mapper task units. 1, Sqoop installation steps1.1, Execution command: TAR-ZXVF sqoop-1.4.3.bin__hadoop-1.0.0.tar.gz decompres

Ods-bi in the construction of ETL to occupy 1/3 of the time, deep feelings. The modeling of BI, from the physical data layer, the logical data layer, the business logic layer at all levels, there are many automated tools to handle.However, the process in ETL must be designed according to the performance. Summarize the next few parts.1. Data source/Data target managementTo determine the table, file, or restf

BackgroundSqoop is a tool used to transfer data from Hadoop and relational databases (RDBMS) to each other. When using Sqoop, we need to provide the access password for the database. Currently Sqoop supports 4 ways to enter passwords: Clear text mode. Interactive mode. File mode. Alias mode. The author uses the Sqoop in CDH5.10, the vers

; +----+------+------+ |id|name|age| +----+------+------+ |7|a|1| | 8|b|2| |9| c|3| +----+------+------+ 3rowsinset (0.00sec) 2. Licensing for individual users Note: After the Sqoop commits the job, each node accesses the database during the map phase, so the prior authorization is required mysql> Grant [All | select | ...] on {db}. {table} to {User}@{host} identified by {passwd}; mysql> flush Privileges; #我给特定的hostname授权 username:root passwd:root Ac

The main indexes of this article series are as follows:First, ETL sharp weapon Kettle Practical Application Analysis Series one "Kettle Use introduction"Second, ETL sharp weapon Kettle Practical Application Analysis Series two "application Scenarios and actual combat demo Download"Three, ETL sharp weapon Kettle Practical Application Analysis Series three "

I think many people have talked about the ETL process. Recently, I have been comparing SSIs, owb, and infomatica. Combined with previous projects, I have deepened my understanding and understanding of the ETL process.In fact, these three tools have their own advantages and disadvantages, except for the application platform. Today, I would like to share my experience in terms of expansion and maintenance. 1:

A, import to Sqoop to eclipse: Download Sqoop 1.3 of the TAR package decompression, we open the Build.xml, found B, Debug Sqoop: Because the Sqoop Bin folder in the script, Sqoop to start the Java process, the Java process is Sqoop