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HOW TO: Connect Tableau to Hortonworks Sandbox
Tableau, Apache Hive and the Hortonworks Sandbox As with most BI tools Tableau can use Apache Hive (via ODBC connection) as the defacto standard for SQL access in Hadoop. Establishing a connection from...
View ArticleHOW TO: Connect/Write a File to Hortonworks Sandbox from Talend Studio
Writing a file to Hortonworks Sandbox from Talend Studio I recently needed to quickly build some test data for my Hadoop environment and was looking for a tool to help me out. What I discovered was...
View ArticleHOWTO: Make the Sandbox run faster
If you are having performance issues with the Sandbox, try the following: Run only 1 virtual machine at a time Reboot the virtual machine Allocate more RAM to the Sandbox VM. This assumes you have more...
View ArticleHOWTO: Test HDFS Setup
ISSUE How do I run simple Hadoop Distributed File System tasks? Or How do I test that HDFS services are working? SOLUTION Make sure the name node and the data nodes are started. To start the name node:...
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Storm on YARN Install on HDP2 Beta Cluster
This is the installation instructions for Storm on YARN. Our work is based on the code and documentation provided by Yahoo in the Storm-YARN repository at https://github.com/yahoo/storm-yarn We...
View ArticleSpark 1.0.1 Technical Preview – with HDP 2.1.3
Introduction The Spark Technical preview lets you evaluate Apache Spark 1.0.1 on YARN with HDP 2.1.3. With YARN, Hadoop can now support multiple different types of workloads; Spark on YARN becomes...
View ArticleSpark 1.1.0 Technical Preview on HDP 2.1.5
Spark 1.1.0 Technical Preview – with HDP 2.1.5 Introduction The Spark Technical preview lets you evaluate Apache Spark 1.1.0 on YARN with HDP 2.1.5. With YARN, Hadoop can now support various types of...
View ArticleHOWTO: Test HDFS Setup
ISSUE How do I run simple Hadoop Distributed File System tasks? Or How do I test that HDFS services are working? SOLUTION Make sure the name node and the data nodes are started. To start the name node:...
View ArticleHOWTO: Test MapReduce Setup
ISSUE How do I run an example map reduce job? Or How do I test the map reduce services are working? SOLUTION Make sure the job tracker and the task trackers are started. To start the job tracker: su...
View ArticleUsing Apache Spark: Technical Preview with HDP 2.2
Introduction The Spark Technical preview lets you evaluate Apache Spark 1.2.0 on YARN with HDP 2.2. With YARN, Hadoop can now support various types of workloads; Spark on YARN becomes yet another...
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HDFS Transparent Data Encryption
Many HDP users are increasing their focus on security within Hadoop and are looking for ways to encrypt their data. Fortunately, Hadoop provides several options for encrypting data at rest. At the...
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