local_offer hive local_offer hdfs
In Hive, there are two types of tables can be created - internal and external table. Internal tables are also called managed tables. Different features are available to different types. This article lists some of the common differences. Internal table By default, Hive creates ...
local_offer pyspark local_offer SQL Server local_offer spark-2-x
In this article, I am going to show you how to use JDBC Kerberos authentication to connect to SQL Server sources in Spark (PySpark). I will use Kerberos connection with principal names and password directly that requires ...
local_offer parquet local_offer pyspark local_offer spark-2-x local_offer hive local_offer hdfs
Schema evolution is supported by many frameworks or data serialization systems such as Avro, Orc, Protocol Buffer and Parquet. With schema evolution, one set of data can be stored in multiple files with different but compatible schema. In Spark, Parquet data source can detect and merge schema ...
Kontext release v0.x
Kontext release information before v.1.0.
local_offer windows10 local_offer hadoop local_offer hdfs
Issue When installing Hadoop 3.2.1 on Windows 10, you may encounter the following error when trying to format HDFS namnode: ERROR namenode.NameNode: Failed to start namenode. The error happens when running the following comm...
local_offer windows10 local_offer hadoop
This article provides detailed steps about how to compile and build Hadoop (incl. native libs) on Windows 10. The following guide is based on Hadoop release 3.2.1. ...
local_offer windows10 local_offer hadoop local_offer yarn
This detailed step-by-step guide shows you how to install the latest Hadoop (v3.2.1) on Windows 10. It also provides a temporary fix for bug HDFS-14084 (java.lang.UnsupportedOperationException INFO).
Kontext release v0.6.7
Kontext v0.6.7 is now released with a few changes/enhancements. Changes The following sections list the new features/changes in release v0.6.7. Multi-la...
Kontext release v0.6.6
Kontext v0.6.6 is now released with a few changes/enhancements. Changes SEO enhancements Added a number of Facebook and twitter meta tags into head section of each page. Robots.txt is updated to make it simple. ...
local_offer machine-learning local_offer jupyter-notebook local_offer C# local_offer dotnet core
In this article, I'm going to show you how to install Jupyter in Windows and then install .NET kernel for Jupyter notebooks. It also shows a machine learning example using ML.NET. The target audience are .NET developers who want to expand their skills in data engineering and science domain...
