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Our Blog

Apache Cassandra is a complex and rapidly changing data system. As we are of experts learn, we regularly contribute blog posts to help share our knowledge and build the collaborative knowledge base.

Best Practices for Cassandra Cluster Sizing

1.0  Introduction1.1  PurposeThis document is intended to provide some information about best practices for Cassandra and DataStax enterprise Cluster sizing.2.0  Cassandra Cluster sizingLet’s talk about sizing our cluster. It is...

Analyzing Twitter Data with Apache Hadoop

ANALYZING TWITTER DATA WITH APACHE HADOOP Problem statement: Social media platforms like Twitter provide easy access for general public to voice their opinions. Positive or Negative opinions about a company...

MongoDB Replication

CREATE A REPLICAT SET: STEP 1: In this post , we will create a replica set and add some data to it. 1. Unpack replication.js from the Download Handout zip...

Setup-Cassandra Datastax Enterprise Cluster on Centos 6.7

I am going to use utility called csshx which allow me to type on multiple machine concurrently, you can see how to install it on this web site: http://www.unixmen.com/how-to-manage-multiple-ssh-sessions-using-cluster-ssh-and-pac-manager/ IN...

Building an Blog App with MongoDB

In this post , i am going to build a blog because lot of people are familiar with that. It will be write with Java. We will see not how...

Setup-Cassandra Cluster Open Source on Centos 6.7

Setup-Cassandra Cluster Open Source on Centos 6.7 I am going to use utility called csshx which allow me to type on multiple machine concurrently, you can see how to install...

MongoDB Performance

MongoDB Performance: We’re talking about performance. The performance of computer systems is driven by a variety of factors including the performance of the underlying hardware — the CPU, the disk...

Installing Python 2.7 on Centos 6.7

Installing Python 2.7 on centos 6.7 Follow this sequence exactly for centos machine only. CentOS 6.7 ships with Python 2.6.6 and depends on that specific version. Be careful not to replace...

Cassandra Operations And Performance Tuning 

Cassandra Operations And Performance Tuning In this topic, i will  cover the basics of general Apache Cassandra performance tuning: when to do performance tuning, how to avoid and identify problems,...

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