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A collection of 1475 posts
Patterns of Successful Cassandra Data Modelling - OpenCredo
1/30/2019
Patterns of Successful Cassandra Data Modelling - OpenCredo September 6, 2016 | CassandraA growing number of clients are asking OpenCredo for help with using Apache Cassandra and solving ...
How Not To Use Cassandra Like An RDBMS (and what will happen if you do) - OpenCredo
Not only is Cassandra not an RDBMS, it’s not even like an RDBMS in some of the ways you might expect. In this post I’ll review a few example scenarios where a beginner might be unpleasantly surprised ...
Everything you need to know about Cassandra Materialized Views - OpenCredo
Everything you need to know about Cassandra Materialized Views - OpenCredo February 16, 2017 | CassandraOne of the default Cassandra strategies to deal with more sophisticated queries is ...
Data Analytics using Cassandra and Spark - OpenCredo
This blog is the first part of a series “Spark – the Pragmatic bits”. Get the full overview here.Typically, one cannot rely on Cassandra alone when performing aggregations, data analysis and the like....
Deploy Spark with an Apache Cassandra cluster - OpenCredo
This blog is the second part of a series “Spark – the Pragmatic bits”. Get the full overview here.The simplest and most obvious choice is to get DataStax Enterprise which contains Cassandra, Spark wit...
Testing a Spark Application - OpenCredo
This blog is the third part of a series “Spark – the Pragmatic bits”. Get the full overview here.My colleague Dávid Borsós recently wrote a blog post on “Data Analytics using Cassandra and Spark”, cov...
Common Problems with Cassandra Tombstones - OpenCredo
Tombstones are a mechanism which allows Cassandra to write fast but it has an operational price to pay. First of all, tombstones are themselves records. They take up space and can substantially increa...
Aggregate operations on Azure Cosmos DB Cassandra API tables from Spark
Saradnici This article describes basic aggregation operations against Azure Cosmos DB Cassandra API tables from Spark. NoteServer-side filtering, and server-side aggregation is c...