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 emperor really naked? Casually dressed maybe, but not naked.
(Note: …
- Axon Flux // A Ruby on Rails Blog: WTF is a SuperColumn? An Intro to the Cassandra Data Model (Arin Sarkissian explains)
- Trevor Turk: Weekly Digest, 7-9-09
- Spyced: Cassandra in action
- Mike Perham: Cassandra Internals - Writing
- till's blog: My Berlin Buzzwords 2010 recap
- MySQL Performance Blog: Two Types of MySQL Users
…in some scale. James Golick has been talking about this for a while, specially about Cassandra. The idea was not to discuss specifics on NoSQL, so in the interview I aimed for opinions, why use it, what to use, when to use them and stuff like that.
I know him since around 2008, when I started using his "Resource Controller" gem and even recorded a screencast about it. I asked him to talk a bit about that too.
Direct video link
Carl Lerche
He became more well …
- Ruby Inside: Quality Interviews with 10 Rubyists (and Bob Martin)
Cassandra looks interesting as well. Considering they are Java not written in Erlang, a lot of people seem to like them anyways. Also, Eric Evans is a great presenter — kudos to him. I especially liked the part where he suggested to not use Cassandra for obvious reasons, but the inner geek disagreed.
I don't know why presentations by Nokia, are like that. I'm missing a little enthusiasm about work or project.
Bashing other projects sucks. Also, introducing yourself …
- High Scalability: Sponsored Post: Get Your High Scalability Fix at Digg
- igvita.com: Easy Map-Reduce With Hadoop Streaming
- How Software is Built: Interview with Amr Awadallah - Cloudera CTO
- Heroku: Success Story: FlightCaster
- Rails Envy » Home: Rails Envy Podcast - Episode #093
- Aloha On Rails - Hawaii Ruby on Rails Conference - Waikiki - Oct 5-6 2009: Thinking in Map Reduce Video Now Online
…Redis, Scheme, Erlang, and CoffeeScript. Lows included Cassandra and CouchDB, which I couldn't even get running in the allotted hour.
I created a simple Tumblr blog and posted to it after every new tech, which kept me accountable and spurred discussion on Twitter and at the office. My talk went over surprisingly well at DevNation ( here are my slides ), and I hope to give it again at future events.
All in all, it was a great experience and proved that …
- Vineet Gupta | Computer Programmer: NoSql Databases - Part 1 - Landscape
- Intridea - Company Blog: Friday Coffee Hour at Intridea
- paperplanes: There's Something About Redis
- RubyLearning Blog: Happynerds - Programming Links for Kids
- Riding Rails - home: Rails and the Enterprise
- techno weenie: Node.js For My Tiny Ruby Brain: Keeping Promises
Real World Ruby and Cassandra
If you've been following the " NoSQL" debates lately, you might have heard of Apache Cassandra , a "highly scalable" distributed database system built around a column storage model. Despite Cassandra starting to become a household name with developers, it's often seen as being harder to get into than things like MongoDB and CouchDB, so Mike Subelsky has put together a blog post titled Real World Ruby and Cassandra …
- the evolving ultrasaurus: jruby on google app engine
- SKORKS: Merging Ruby Hashes And Bang Method Usage
- Riding Rails - home: Rails and the Enterprise
- casperfabricius.com: The culture of development communities: Ruby vs. .NET
- Adventures with Ruby: Qu'est-ce que c'est Rubyesque?
- From Noob to Ninja Programmer: Time to embrace Linux
… Konstantin V. Shvachko writes a great post analyzing if the limitations imposed on a distributed file system by the single-node namespace server architecture can support 100,000 clients and petabytes of files.
Cassandra by Example . Eric Evans created a nice Cassandra tutorial using building a Twitter clone as an example. Many people want to see more data modeling examples. Here you are.
such as SimpleDB, BigTable, Cassandra, CouchDB, and MongoDB .
I recommend a few excellent podcasts on Cassandra , CouchDB and MongoDB to get a sense of what this is all about.
Recently, MongoDB has received a lot of attention due to the following factors:
availability on many platforms
rich language support: C, C++, C#, Java, Javascript, Perl, PHP, Python, Ruby
binary json for efficient storage
equivalent of …
- The "Tech. Arch.": Implementing Ruby Camping REST Services With RESTstop
- The "Tech. Arch.": Transform Your Ruby Camping Web App Into An OAuth Provider
- New Relic: Ruby developers: Get visbility into Resque, Authlogic, Paperclip and Camping with New Relic's rpm_contrib gem
- Ruby Best Practices: Name that method: Symmetry
- SD Ruby Podcast: Episode 002: Camping
- EdgeCase - Home: From Camping to Sinatra + DataMapper + Mustache (part 1)
…not done before, they are interested in all kinds of plugins, replicating from MySQL to Cassandra and doing other cool stuff. Some of this cool stuff can be buggy but their applications are often not very business critical and they are ready to take a risks and spend sleepless nights troubleshooting issues as they come across. There are also people here who indeed have unique problems which can't be solved by conventional problems (and a lot more people think their problems is unique …
- igvita.com: Schema-Free MySQL vs NoSQL
- Ruby on Rails, JRuby, AWS, EC2, Exalead - Bugmash! Comments: InfiniDB, InfoBright and MonetDB
- oldmoe: 101 Reasons Why PostgreSQL is a better fit for Rails than MySQL
- How Software is Built: Interview with Ezra Zygmuntowicz - Engine Yard
- till's blog: PHP: So you'd like to migrate from MySQL to CouchDB? - Part II
- elc technologies - Blog : Ruby on Rails, iPhone, Flash, Agile, Interactive Design: [SOLVED] 64bit MySQL and 32bit Ruby: FAIL
We might create a (still open-source) Cassandra distribution similar to Cloudera's Distribution for Hadoop , but the mainline Cassandra development is responsive enough that there isn't as much need for a third party to do this as there is with Hadoop.
What does Rackspace think?
Rackspace has been the primary driver of Cassandra development recently, employing (until I left) the three most active committers on the project . For the same …
- Axon Flux // A Ruby on Rails Blog: WTF is a SuperColumn? An Intro to the Cassandra Data Model (Arin Sarkissian explains)
- Rails Envy » Home: Rails Envy Podcast - Episode #099
- Mike Perham: Cassandra and EventMachine
- High Scalability: Strategy: Make it Really Fast vs Do the Work Up Front
- James on Software: Opinionated Modular Code
- Vineet Gupta | Computer Programmer: NoSql Databases - Part 1 - Landscape
Fiction : " Cassandra relies on high-speed fiber between datacenters" and can't reliably replicate between datacenters with more than a few ms of latency between them.
Fact : Cassandra's multi-datacenter replication is one of its earliest features and is by far the most battle-tested in the NoSQL space. Facebook had Cassandra deployed on east and west coast datacenters since before open sourcing it. SimpleGeo's Cassandra cluster spans 3 EC2 availability …
- High Scalability: Hot Scalability Links for April 8, 2010
- Spyced: And now for something completely different
- Viget Extend : The Development Lab: Database Taxonomy
- Mike Perham: Cassandra and EventMachine
- James on Software: Opinionated Modular Code
- High Scalability: Hot Scalability Links for February 24, 2010