Let us show the consumer power. Merchants have to refund money for the mistakes they have committed. My name is Durga and I am based out of Hyderabad. When I am in Bengaluru, I went to Fab India store in forum mall and bought 3 dresses. When we opened those, the chudi is of different […]
Spark Context and Configuration
As part of this topic we will understand what is SparkConf and SparkContext. SparkConf – Configuration information of the application SparkContext – Tells Spark how to access the cluster (YARN or Mesos or local) Application parameters and configurations SparkConf Let us see details about SparkConf and how it is used while submitting spark applications. As part of […]
Career path for Mainframes Professionals
itversity, llc is providing low cost high quality training for vast array of audience at different levels. As mainframes is fading out rapidly, it is very important for experienced professionals to move out of mainframes to open systems as soon as possible. We have the experience in transitioning Mainframes professionals to Big Data, but our […]
Setup Single Node Hadoop and Spark lab
This blog covers step by step instructions to setup single node lab for Hadoop and Spark eco system using Cloudera Distribution. Almost all the leading vendors provide virtual machine image to learn all the tools in Big Data eco system including but not limited to Hadoop and Spark. But virtual machine requires higher configuration such […]
Data aggregations using Spark and Python
Aggregations can be broadly categorized into totals and by key. Spark brings power of in memory as well as rich APIs to aggregate data sets. In this blog I will discussing about implementation of aggregations using different actions and transformations. Pre-requisites Spark Introduction Aggregations – totals Aggregations – by key Difference between groupByKey, reduceByKey, aggregateByKey […]
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