apache sqoop

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 probably as follows: Below I mainly

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:

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

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

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

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