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.

Spark read file from S3 using sc.textFile ("s3n://...)

Trying to read a file located in S3 using spark-shell: scala> val myRdd = sc.textFile("s3n://myBucket/myFile1.…

java scala apache-spark rdd hortonworks-data-platform
How to delete files from the HDFS?

I just downloaded Hortonworks sandbox VM, inside it there are Hadoop with the version 2.7.1. I adding some files by using …

hadoop hdfs hortonworks-data-platform
Hive: Sum over a specified group (HiveQL)

I have a table: key product_code cost 1 UK 20 1 US 10 1 EU 5 2 UK 3 2 EU 6 I would like to find the sum …

hadoop hive hiveql hortonworks-data-platform
How to find Hadoop hdfs directory on my system?

How to find Hadoop HDFS directory on my system? I need this to run following command - hadoop dfs -copyFromLocal &…

linux azure hadoop hdfs hortonworks-data-platform
Find port number where HDFS is listening

I want to access hdfs with fully qualified names such as : hadoop fs -ls hdfs://machine-name:8020/user I could also …

hadoop hdfs cloudera hortonworks-data-platform mapr
spark on yarn, Container exited with a non-zero exit code 143

I am using HDP 2.5, running spark-submit as yarn cluster mode. I have tried to generate data using dataframe cross join. …

apache-spark hive yarn hortonworks-data-platform
kinit: Client's credentials have been revoked while getting initial credentials

I have hdp cluster configured with kerberos with AD. All HDP service accounts have principals and keytabs generated including spark. …

hadoop apache-spark active-directory kerberos hortonworks-data-platform
Kafka Java Producer with kerberos

Getting error while sending message to kafka topic in kerberosed enviornment. We have cluster on hdp 2.3 I followed this http://…

java apache-kafka kerberos jaas hortonworks-data-platform
How to disable Transparent Huge Pages (THP) in Ubuntu 16.04LTS

I am setting up an ambari cluster with 3 virtualbox VMs running Ubuntu 16.04LTS. However I get the below warning: The …

ubuntu ubuntu-16.04 hortonworks-data-platform ambari
hadoop user file permissions

i have a problem in setting hadoop file permissions in hortonworks and cloudera. My requirement is: 1. create a new user …

hadoop permissions hdfs cloudera hortonworks-data-platform