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In Log Everything All the Time I advocate applications shouldn't bother logging at all. Why waste all that time and code? No, wait, that's not right. I preach logging everything all the time. Doh. Facebook obviously feels similarly which is why they opened sourced Scribe, their
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CTL is a flexible distributed control dispatching framework that enables you to break management processes into reusable control modules and execute them in distributed fashion over the network. From their website: CTL is a flexible distributed control dispatching framework that enables you to break management processes into reusable control modules
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Update: Digg on their choice and use of Puppet. They chose puppet over cfengine, and bcfg2 because they liked Puppet's resource abstraction layer (RAL), the ability to implement configuration management incrementally, support for bundles, and the overall design philosophy. Puppet implements a declarative (what not how) configuration language
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Kent Langley was kind enough to create a profile template for Joyent, Kent's new employer. Joyent is an infrastructure and development company that has put together a multi-site, multi-million dollar hosting setup for their own applications and for the use of others. Joyent competes with the likes of
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Has a Java only Hadoop been getting you down? Now you can be Happy. Happy is a framework for writing map-reduce programs for Hadoop using Jython. It files off the sharp edges on Hadoop and makes writing map-reduce programs a breeze. There's really no history yet on Happy,
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GridGain was kind enough to present at the September 17th instance of the Silicon Valley Cloud Computing Group. I've been curious about GridGain so I was glad to see them there. In short GridGain is: an open source computational grid framework that enables Java developers to improve general
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Func is used to manage a large network using bash or Python scripts. It targets easy and simple remote scripting and one-off tasks over SSH by creating a secure (SSL certifications) XMLRPC API for communication. Any kind of application can be written on top of it. Other configuration management tools
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With Tungsten Replicator Continuent is trying to deliver a better master/slave replication system. Their goal: scalability, reliability with seamless failover, no performance loss. From their website: The Tungsten Replicator implements open source database-neutral master/slave replication. Master/slave replication is a highly flexible technology that can solve a wide
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Disco is an open-source implementation of the MapReduce framework for distributed computing. It was started at Nokia Research Center as a lightweight framework for rapid scripting of distributed data processing tasks. The Disco core is written in Erlang. The MapReduce jobs in Disco are natively described as Python programs, which
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ScaleOut StateServer is an in-memory distributed cache across a server farm or compute grid. Unlike middleware vendors, StateServer is aims at being a very good data cache, it doesn't try to handle job scheduling as well. StateServer is what you might get when you take Memcached and merge
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Ehcache is a pure Java cache with the following features: fast, simple, small foot print, minimal dependencies, provides memory and disk stores for scalability into gigabytes, scalable to hundreds of caches is a pluggable cache for Hibernate, tuned for high concurrent load on large multi-cpu servers, provides LRU, LFU and
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Update: InfoQ links to a few excellent Eucalyptus updates: Velocity Conference Video by Rich Wolski and a Visualization.com interview Rich Wolski on Eucalyptus: Open Source Cloud Computing. Eucalyptus is generating some excitement on the Cloud Computing group as a potential vendor neutral EC2 compatible cloud platform. Two reasons why