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Durant Versus Sloan – Part 1

Steve Blank

Sloan Foundation , the Sloan School of Management at MIT , the Sloan program at Stanford , and the Sloan/Kettering Memorial Cancer Center in New York. If you look around the United States it’s hard to avoid Sloan. There’s the Alfred P. Sloan’s book My Years with General Motors written 40 years ago is still a business classic.

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Lessons Learned: Continuous deployment and continuous learning

Startup Lessons Learned

The longer you wait to find out about the problem, the more likely it is to have fallen out of the human-memory cache. This development philosophy created a culture around rapid prototyping of features, followed by testing them against large numbers of actual customers. If a feature worked, wed keep it. If it didnt, wed trash it.

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Lessons Learned: Great open source scalability tools from Danga

Startup Lessons Learned

Youll learn how they pioneered the use of a lot of open source tools at new levels of scale, and even created quite a few more, that are essential scaling aids. Three of my favorite: memcached - an in-memory object caching system. Thoughts on scientific product development Lo, my 5 subscribers, who are you?

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Lessons Learned: Sharding for startups

Startup Lessons Learned

This is true of most web application servers, caches like memcached, and all of the network infrastructure that connects them. For example, you might notice that caching gets a lot easier if you have good metadat about which queries are associated with the same entity. This is a good summary and very useful data layer scaling approach.

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Lessons Learned: Why PHP won

Startup Lessons Learned

The next time you needed to handle that page, you could take advantage of caching for excellent performance. There are also solutions to performance issues resulting from abstraction and runtime compilation (check out op-code caches such as APC). This sounds like a good trade-off, but it turned out to be a classic sub-optimization.

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