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To continue the graph theme Google has got into the act and released information on Pregel. Pregel does not appear to be a new type of potato chip. Pregel is instead a scalable infrastructure... ...to mine a wide range of graphs. In Pregel, programs are expressed as a sequence of
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Update: Social networks in the database: using a graph database. A nice post on representing, traversing, and performing other common social network operations using a graph database. If you are Digg or LinkedIn you can build your own speedy graph database to represent your complex social network relationships. For those
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Update:: Eucalyptus Goes Commercial with $5.5M Funding Round. This removes my objection that it's an academic project only. Go team go! Rich Wolski, professor of Computer Science at the University of California, Santa Barbara, gave a spirited talk on Eucalyptus to a large group of very interested
Cluster File System
Update 5: Hadoop Sorts a Petabyte in 16.25 Hours and a Terabyte in 62 Seconds and has its green cred questioned because it took 40 times the number of machines Greenplum used to do the same work. Update 4: Introduction to Pig. Pig allows you to skip programming Hadoop
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Update 4: Heroku versus GAE & GAE/J Update 3: Heroku has gone live!. Congratulations to the team. It's difficult right now to get a feeling for the relative cost and reliability of Heroku, but it's an impressive accomplishment and a viable option for people looking
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With the introduction of Redis your options in the key-value space just grew and your choice of which to pick just got a lot harder. But when you think about it, that's not a bad position to be in at all. Redis (REmote DIctionary Server) - a key-value
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Smart Inspect has added quite a few features specifically tailored to high scalability and high performance environments to our tool over the years. This includes the ability to log to memory and dump log files on demand (when a crash occurs for example), special backlog queue features, a log service
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Update: HostedFTP.com - Amazon S3 Performance Report. How fast is S3? Based on their own study HostedFTP.com has found: 10 to 12 MB/second when storing and receiving files and 140 ms per file stored as a fixed overhead cost. Update: A Quantitative Comparison of Rackspace and Amazon
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Update: Load Balancing in Amazon EC2 with HAProxy. Grig Gheorghiu writes a nice post on HAProxy functionality and configuration: Emulating virtual servers, Logging, SSL, Load balancing algorithms, Session persistence with cookies, Server health checks, etc. Adapted From the website: HAProxy is a free, very fast and reliable solution offering high
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Update 35: How and Why Glue is Using Amazon SimpleDB instead of a Relational Database. Discusses a key design decision that required duplicating data in order to mimic RDBMS joins: Given the trade off between potential inconsistencies and scalability, social services have to choose the latter. Update 34: Apparently Amazon
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Update: New Gearman Server & Library in C, MySQL UDFs. Gearman is an open source message queuing system that makes it easy to do distributed job processing using multiple languages. With Gearman you: farm out work to other machines, dispatching function calls to machines that are better suited to do
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At 37 Signals Joshua Sierles describes how 37 Signals uses Sprinkle to configure their servers within EC2. Sprinkle defines a domain specific meta-language for describing and processing the installation of software. You can find an interesting discussion of Sprinkle's creation story by the creator himself, Marcus Crafter, in