Cassandra Performance Testing on EC2 « Geekout
The tests were performed over several days in Sept 2010 with Cassandra 0.6.2 utilizing the supplied contrib/py_stress tests. ** Inconclusive results because of slow EBS drive General EC2 Since the tests are typically large and do not fit in RAM our intent was to test EC2′s hardware performance, not necessarily Cassandra’s performance with things like cached data. As with any performance testing
Multi-machine EC2 Cassandra Setup in 30 minutes « Geekout
Introduction In this post we will walk through setting up a production ready 3 node Cassandra cluster with Munin monitoring running on Amazon EC2 in under 30 minutes. We will also walk through getting the sample Cassandra stress scripts running with a basic load on the 3 node cluster. This post builds on a previous post about how to setup and maintain an EC2 virtual instance with our supplied unat
Cassandra and Ruby: A Love Affair? (Key-Value Stores Part 3)
Most of today’s up and coming key-value stores are more than just simple key-value stores. You saw this when we looked at Tokyo Cabinet which, in addition to simple key-value capabilities, adds more sophisticated abilities, such as database-like tables. In this post we’ll look at Cassandra – a modern key-value store that continues this trend. Cassandra was originally developed by Facebook and rele
HBase vs Cassandra: why we moved
Occasionally useful posts about RIAs, Web scale computing & miscellanea My team is currently working on a brand new product – the forthcoming MMO www.FightMyMonster.com. This has given us the luxury of building against a NOSQL database, which means we can put the horrors of MySQL sharding and expensive scalability behind us. Recently a few people have been asking why we seem to have changed our pr
Just Add an Index — Arin Sarkissian
Here’s my presentation from NoSQL East. Enjoy You can also download it as a PDF, Keynote or Powerpoint doc.
WTF is a SuperColumn? An Intro to the Cassandra Data Model — Arin Sarkissian
For the last month or two the Digg engineering team has spent quite a bit of time looking into, playing with and finally deploying Cassandra in production. It’s been a super fun project to take on – but even before the fun began we had to spend quite a bit of time figuring out Cassandra’s data model… the phrase “WTF is a ’super column’” was uttered quite a few times. If you’re coming from an RDBM
P2Pクラウド・ストレージWualaとカサンドラ･プロジェクト - huixingの日記
gmailやAmazon S3の一時サービス停止といった事件でクラウド･コンピューティングに対する信頼にもかげりが出てきた時，クラウドにp2pを加味したストレージ･サービスであるwualaが登場した。ファイルは暗号化されてwualaのサーバーにアップロードされるほか，分割されて多数の他のユーザーのコンピュータに振り分けられる重複型のストレージ方式。一方，カサンドラCassandraはp2pを利用して構造化されたデータを大容量なスケールで取り扱うことを目的にした分散型ストレージ・システム。 Google had a bad week in cloud computing, with serious downtime in Gmail, Blogger and Spreadsheet. Back in July it was Amazon that was embarrassed with t
Apache Cassandra | Apache Cassandra Documentation
What is Apache Cassandra? Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.
Facebook Cassandra Architecture and Design – Perspectives
Disclaimer: The opinions expressed here are my own and do not necessarily represent those of current or past employers. Recent CommentsJames Hamilton on Seagate HAMRDio Phung on Seagate HAMRJames Hamilton on Pat SelingerMark Gandy on Pat SelingerJames Hamilton on Seagate HAMRArie van der Hoeven on Seagate HAMRJames Hamilton on Pat SelingerPat Selinger on Pat SelingerJames Hamilton on Seagate HAMRJ
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Cassandra database and range scans
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Why I like the Cassandra distributed database