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A collection of 165 posts
Delete operations on Azure Cosmos DB Cassandra API from Spark
3/20/2020
This article describes how to delete data in Azure Cosmos DB Cassandra API tables from Spark.Cassandra API configuration import org.apache.spark.sql.cassandra._ //Spark connector import com.datastax.s...
How to Execute Spark Code on Spark Shell With Cassandra
2/27/2020
In this blog, we will see how to execute our Spark code on Spark shell using Cassandra. This is very efficient when it comes to testing and learning and when we have to execute our code on a Spark she...
Apache Spark, Cassandra and Game of Thrones
Apache Spark with Cassandra is a powerful combination in data processing pipelines. In this tutorial, we will build a Scala application with Spark and Cassandra with battle data from Game of Thrones...
Cassandra Data Modeling Principles for Spark SQL Joins
1/8/2020
This is second article in the series of Cassandra Data Modeling best practices for efficient Spark SQL Joins. You can find previous posts here and here. Dimensional data modeling principles are still...
Cassandra Data Modeling Best Practices for efficient JOIN operation of Cassandra tables in Spark layer
Apache Cassandra and Apache Spark product integration is one of the emerging trends in big data world today. Together, these two products can offer several advantages. Much has already been said about...
Optimizing Spark SQL JOIN statements for High Performance
Similar to SQL performance Spark SQL performance also depends on several factors. Hardware resources like the size of your compute resources, network bandwidth and your data model, application design...
scylladb/scylla-migrator
12/2/2019
Make sure sbt is installed on your machine, and run build.sh.Create a config.yaml for your migration using the template config.yaml in the repository root. Read the comments throughout carefully.The S...
Cassandra + Spark + Elk
11/25/2019
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