Top "Hortonworks-data-platform" questions

Hortonworks Data Platform (HDP) is a distribution of an open-source Apache Hadoop data platform containing a set of projects on top of the HDFS and YARN as core layer of Hadoop.

Getting the Tool Interface warning even though it is implemented

I have a very simple "Hello world" style map/reduce job. public class Tester extends Configured implements Tool { @Override public …

java hadoop mapreduce hortonworks-data-platform
Spark on YARN resource manager: Relation between YARN Containers and Spark Executors

I'm new to Spark on YARN and don't understand the relation between the YARN Containers and the Spark Executors. I …

apache-spark containers yarn hortonworks-data-platform executor
HBase on Hortonworks HDP Sandbox: Can't get master address from ZooKeeper

I downloaded HDP 2.1 from hortonworks for virtualbox. I got the following error when using Hbase shell in case simple command: …

hadoop hbase apache-zookeeper hortonworks-data-platform
Simple word count MapReduce example yielding strange results

I am having a strange problem with a Hadoop Map/Reduce job. The job submits correctly, runs, but produces incorrect/…

java hadoop mapreduce hortonworks-data-platform
How to install Apache Spark on HortonWorks HDP 2.2 (built using Ambari)

I successfully built a 5 node cluster of HortonWorks HDP 2.2 using Ambari. However I don't see Apache Spark in the installed …

hortonworks-data-platform ambari
Unable to read HiveServer2 configs from ZooKeeper

I use HDP3.1. And I Ambari to deploy hadoop cluster and hive. After deployed, I can run hive in shell …

hadoop hive hortonworks-data-platform kylin