spark

local_offer spark local_offer hadoop local_offer yarn local_offer oozie local_offer spark-advanced

Recently I created an Oozie workflow which contains one Spark action. The Spark action master is yarn and deploy mode is cluster. Each time when the job runs about 30 minutes, the application fails with errors like the following: Application application_** failed 2 times due to AM Container for ...

local_offer spark local_offer pyspark

When creating Spark date frame using schemas, you may encounter errors about “field **: **Type can not accept object ** in type <class '*'>”. The actual error can vary, for instances, the following are some examples: field xxx: BooleanType can not accept object 100 in type <class ...

local_offer python local_offer spark local_offer pyspark local_offer spark-dataframe

In Spark, SparkContext.parallelize function can be used to convert Python list to RDD and then RDD can be converted to DataFrame object. The following sample code is based on Spark 2.x. In this page, I am going to show you how to convert the following list to a data frame: data = [('Category A' ...

local_offer teradata local_offer spark local_offer pyspark local_offer spark-database-connect

In my article Connect to Teradata database through Python , I demonstrated about how to use Teradata python package or Teradata ODBC driver to connect to Teradata. In this article, I’m going to show you how to connect to Teradata through JDBC drivers so that you can load data directly into PySpark ...

local_offer python local_offer spark local_offer hadoop local_offer pyspark

In one of my previous articles about Password Security Solution for Sqoop , I mentioned creating credential using hadoop credential command. The credentials are stored in JavaKeyStoreProvider. Credential providers are used to separate the use of sensitive tokens, secrets and passwords from the ...

local_offer zeppelin local_offer spark local_offer hadoop local_offer linux local_offer sqoop local_offer hive local_offer WSL

This page summarizes the installation guides about big data tools on Windows through Windows Subsystem for Linux (WSL). Install Hadoop 3.2.0 on Windows 10 using Windows Subsystem for Linux (WSL) A framework that allows for distributed processing of the large data sets ...

local_offer spark local_offer linux local_offer WSL local_offer big-data-on-wsl

This pages summarizes the steps to install the latest version 2.4.3 of Apache Spark on Windows 10 via Windows Subsystem for Linux (WSL). Follow either of the following pages to install WSL in a system or non-system drive on your Windows 10. Install Windows Subsystem for Linux on a Non-System ...

local_offer zeppelin local_offer spark local_offer linux local_offer WSL local_offer big-data-on-wsl

This page summarizes the steps to install Zeppelin version 0.7.3 on Windows 10 via Windows Subsystem for Linux (WSL). When running Zeppelin in Ubuntu, the server may pick up one host address that is not accessible, for example 169.254.148.100, and the the remote interpreter connection cannot be ...

local_offer .NET local_offer dotnet core local_offer spark local_offer parquet local_offer hive

I’ve been following Mobius project for a while and have been waiting for this day. .NET for Apache Spark v0.1.0 was just published on 2019-04-25 on GitHub. It provides high performance APIs for programming Apache Spark applications with C# and F#. It is .NET Standard complaint and can run in ...

local_offer spark local_offer pyspark local_offer partitioning local_offer spark-advanced

In my previous post about Data Partitioning in Spark (PySpark) In-depth Walkthrough , I mentioned how to repartition data frames in Spark using repartition or coalesce functions. In this post, I am going to explain how Spark partition data using partitioning functions. Partitioner class is ...