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Hey, it's HighScalability time:
- 5 billion: Number of phone records NSA collects per day; Facebook: 1.23 billion users, 201.6 billion friend connections, 400 billion shared photos, and 7.8 trillion messages sent since the start of 2012.
- Quotable Quotes:
- @ShrikanthSS: people repeatedly underestimate the cost of busy waits
- @mcclure111: Learning today java․net․URL․equals is a blocking operation that hits the network shook me badly. I don't know if I can trust the world now.
- @hui_kenneth: @randybias: “3 ways 2 be market leader - be 1st, be best, or be cheapest. #AWS was all 3. Now #googlecloud may be best & is the cheapest.”
- @thijs: The nice thing about Paper is that we can point out to clients that it took 18 experienced designers and developers two years to build.
- @neil_conway: My guess is that the split between Spanner and F1 is a great example of Conway's Law.
- How Facebook built the real-time posts search feature of Graph search. It's a big problem: one billion new posts added every day, the posts index contains more than one trillion total posts, comprising hundreds of terabytes of data.
- Chartbeat Engineering shares some of their experiences in two excellent articles: Part 1, Part 2. Lessons: DNS is not a great means of load balancing traffic; Modifying sysctl values from their defaults can be important to ensure reliability; Graphing metrics is your friend; Through TCP tuning and utilizing AWS Elastic Load Balancer we were able to decrease our response time by 98.5%, decrease our server footprint by 20% on our front end servers; Enabling cross-zone load balancing got our request count distribution extremely well balanced; planning to move from the m1.large instance type to the c3.large. The c3.large is almost 50% cheaper and gives us more compute units which in turn yields slightly better response times.
- Creating a resilient organization is a little like getting an allergy shot, you have to ingest a little of what ails you to boost your immune system. That's the idea behind DiRT, Disaster Recovery Testing event. In Weathering the Unexpected is the story of how far Google goes to improve their corporate immune system with disaster scenarios. Disasters can range from a walk-through of a backup restore to a company wide zombie attack simulation. More here and here.
- 37signals' shows the power of focus by shedding all their products except Basecamp and even renaming themselves to be just Basecamp. A company can can grow wild unless pruned and shaped to let in the maximum amount of sunlight, growing the most and ripest fruit. While a hard prune is common in the orchard, it's not so common in an organization. A very brave move.
- When I suggested this I was laughed at. So there! Patch Panels in the Sky:A Case for Free-Space Optics in Data Centers: We explore the vision of an all-wireless inter-rack datacenter fabric.
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