Monday, August 3, 2015

Loading MySQL data into Spark

reference: http://www.sparkexpert.com/2015/03/28/loading-database-data-into-spark-using-data-sources-api/

1. Download spark-1.3.1-hadoop-2.6.
2. Download source code: https://github.com/sujee81/SparkApps
3. Import "spark-load-from-db" project.
4. Modified pom.xml.
   <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.sparkexpert</groupId>
    <artifactId>spark-load-from-db</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <spark.version>1.3.1</spark.version>
        <mysql.version>5.1.25</mysql.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.11</artifactId>
            <version>${spark.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_2.11</artifactId>
            <version>${spark.version}</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.2</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                    <compilerArgument>-Xlint:all</compilerArgument>
                    <showWarnings>true</showWarnings>
                    <showDeprecation>true</showDeprecation>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

5. Build and Run.

1 comment:

  1. good article: how Spark DAG works under the convers in RDD.
    http://datasmell.blogspot.ca/2015/08/loading-sql-data-into-spark.html?showComment=1438883457414

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