Here we explain how to track users and tweets by their location. As we will see, there are some...
Author - Walker Rowe
MongoDB GeoLocation Query Examples
Here we explain how to query and working with geolocation data in MongoDB. GeoJSON is a universally...
How to Install MongoDB on Ubuntu and Mac
Here we explain how to install MongoDB in a stand-alone configuration on Ubuntu and Mac. Setting up...
The Differences Between Partition key, Composite key, and...
Here we explain the differences between partition key, composite key and clustering key in...
Using Tokens to Distribute Cassandra Data
Cassandra distributes data based on tokens. A token is the hashed value of the primary key. When...
Configuring Apache Cassandra Data Consistency
Let’s look at how Apache Cassandra handles data consistency. If you write data to n – 1...
Using JSON with Cassandra
Cassandra provides support for JSON. You can, of course, store JSON text into Cassandra text...
Stress Testing and Performance Tuning Apache Cassandra
Here we show how to stress test a Cassandra cluster using the cassandra-stress tool. What this tool...
Python vs Java: Why Python is Becoming More Popular than Java
The Economist magazine, who does normally write about IT, recently reported that Python has or may...
Cassandra SQL Batches and Maps
There are too many SQL commands and data types to look at all of them in one blog post, so we will...