Quickly Launch A Cassandra Cluster On Amazon EC2 - Big Fast Blog
If you have read my previous post, “Map-Reduce With Ruby Using Hadoop“, then you will know that firing up a Hadoop cluster is really simple when you use Whirr. Without even ssh’ing on the machines in the cloud you can start-up your cluster and interact with it. In this post I’ll show you that it is just as easy to fire up a Cassandra cluster on Amazon EC2. Install Whirr I will fly through the setu
Technology News, Analysis, Comments and Product Reviews for IT Professionals | ZDNet
Accenture: Can your enterprise survive the tech-clash?According to Accenture Technology Vision 2020 Report, companies need to balance 'value' with their stakeholder 'values' in order to successfully compete in digital economy. To achieve this balanced approach, companies need to develop a new mindset and the ability to managing the clash between business and technology models that are incongruous
Counters - Cassandra Wiki
Counters in Cassandra Getting started In order to use counters in Cassandra you need to first set up a cluster, see the Getting started guide for more information. Also note that counters are available starting with Cassandra 0.8.0. Configuration To use counters, you have to define a column family (or super column family) whose columns will act as counters. To create such a column family counterCF
Cassandra + Hadoop @ApacheCon
This document discusses using Apache Hadoop for analytics on data stored in Apache Cassandra. It describes how Cassandra is optimized for fast writes and tunable consistency, while Hadoop supports analytics through MapReduce and tools like Pig and Hive. The document provides a recipe for overlaying Hadoop on a Cassandra cluster to leverage data locality for analytics processing. Examples are given
Cassandra: The Definitive Guide
Read it now on the O’Reilly learning platform with a 10-day free trial. O’Reilly members get unlimited access to books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers. What could you do with data if scalability wasn't a problem? With this hands-on guide, you'll learn how Apache Cassandra handles hundreds of terabytes of data while remaining highly av
TwitterはCassandraへの投資を続ける - stanaka's blog
先週後半ぐらいから、Cassandra関連で色々動きがあったので、まとめておきます。 一番注目されるTwitterのCassandraへの方針ですが、Twitterのエンジニアリングブログの記事で明らかにされています。 We're using Cassandra in production for a bunch of things at Twitter. A few examples: Our geo team uses it to store and query their database of places of interest. The research team uses it to store the results of data mining done over our entire user base. Those results then feed into thi
So, Why is Twitter Really Not Using Cassandra to Store Tweets? - High Scalability -
A firestorm of accusations circled around recently saying that Cassandra, the elected-by-major-adopters emperor of the NoSQL movement, has no clothes. It was said Twitter was dumping Cassandra; Reddit outages were linked to Cassandra; and even Facebook, Cassandra's cradle of birth, was said to have abandoned Cassandra. Shouts of NoSQL Fail! were heard in the streets. Much gloating followed. Is the
Cassandraemon
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Open Network Live - MySQL
Mysql was no longer suitable for Twitter's large scale needs due to self joins becoming prohibitively expensive as the number of users grew to 106 million. Cassandra, a distributed database management system developed at Facebook, was better suited as it allowed for distributed storage and handled Twitter's social graph and high write volumes. Twitter's request flow involves distributing load bala
Cassandra Explained
Cassandra is a distributed database management system designed to handle large amounts of data across many commodity servers. It provides high availability with no single points of failure and linear scalability as nodes are added. Cassandra uses a peer-to-peer distributed architecture and tunable consistency levels to achieve high performance and availability without requiring strong consistency.
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[CASSANDRA-1710] Java driver for CQL - ASF JIRA
[CASSANDRA-1546] (Yet another) approach to counting - ASF JIRA
Apache Cassandra: 2010 in review
More preview enhancements for Windows Azure AD Premium - Active Directory Blog - Site Home - TechNet Blogs
DataStax for Developers | DataStax
Cassandra EC2 - Cassandra Wiki
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HBaseとCassandraの比較(図) - LunaBiblos
Google Code Archive - Long-term storage for Google Code Project Hosting.
Your First Fluent Cassandra Application