19 April 2014

The Ruby Reflector

Topic

James Hamilton

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By Todd Hoff of High Scalability 1 month ago.
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…framework the "Four Hamiltons" because it is inspired by an article from James Hamilton, the Vice President and Distinguished Engineer at Amazon Web Services.

The article that led to this framework is called " The Power Failure Seen Around the World " . Hamilton analyzes the causes of the power outage that affected Super Bowl XLVII in early 2013. In the article, Hamilton writes:

As when looking at any system faults, the tools we have to mitigate …

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By Todd Hoff of High Scalability almost 2 years ago.
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It's HighScalability Time (Good luck today):

A Friday the 13th Postmorterama:

James Hamilton with some high powered perspective on the report for the Fukushima Nuclear Accident. Apparently they haven't heard of the blameless post-mortem. Lots of interesting stuff, but this is a potentially disaster saving general lesson learned: operators can't figure out what is happening or take appropriate action without detailed visibility into the state of the system.

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By Leigh Shevchik of New Relic 2 years ago.
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* James Hamilton gives an interesting spin on the importance of reducing latency .

* Tommy Jarnac gives three best practices for managing your Django settings in development and production environments.

* VC Chip Hazard describes ten ways companies can drive developer adoption .

* Nikos Lianeris gives a tutorial on how to configure gzip compression with ehcache .

* Doug Grismore describes a few useful Amazon S3 performance …

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By Todd Hoff of High Scalability almost 3 years ago.
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Submitted for your scaling pleasure:

Achievements:

Every day, Amazon Web Services adds enough new capacity to support all of Amazon.com's global infrastructure through the company's first 5 years, when it was $ 2.7 billion annual revenue. From Cloud Computing Is Driving Infrastructure Innovation by James Hamilton. Where's is all that money be spent? Facilities, servers, power, and popcorn.

Evernote hits 10 million users . StackExchange

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By Todd Hoff of High Scalability 3 years ago.
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…processors. Why can't they operate at higher temperatures? This is the proposition addressed by James Hamilton in Exploring the Limits of Datacenter Temprature and Datacenter Knowledge in What's Next? Hotter Servers with ‘ Gas Pedals' .

Quotable Quotes for 200 Watson:

@ jreichhold : One thing working at Twitter teaches me daily is that all scale is relative. What seemed impossible last year is now the …

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By Todd Hoff of High Scalability over 3 years ago.
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…This is a wonderfully written and accessible paper, chocked full of useful and interesting details. James Hamilton wrote an excellent summary of the paper in Google Megastore: The Data Engine Behind GAE . There are also a few useful threads in Google Groups that go into some more details about how it works, costs, and performance (the original announcement , performance comparison ).

Some Megastore highlights:

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By Todd Hoff of High Scalability over 3 years ago.
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Eating turkey all weekend and wondering what you might have missed?

James Hamilton on why "all you have learned about disks so far is probably wrong" in Availability in Globally Distributed Storage . It turns out for the same reason our financial systems melt down: black swans . The world is predictably unpredictable. Murat Demirbas also has a good post on the same Google research paper .

Stack Overflow Hits 10M Uniques

entity_404455 …

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By Todd Hoff of High Scalability 4 years ago.
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Cloud Computing Economies of Scale . James Hamilton gives a fabulous talk breaking down where the costs are in the cloud. It's not where you may think. Higher utilization is the key. More here .

Erlang Factory: Andy Gross: Distributed Erlang Systems In Operation: Patterns and Pitfalls by Martin J. Logan. Great overview of architecting distributed systems in Erlang. Covers what you want and don't want in a distributed system and how to compromise …

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By Todd Hoff of High Scalability 4 years ago.
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Deferred Deletes is a technique where deleted items are marked as deleted but not garbage collected until some days or preferably weeks later . James Hamilton talks describes this strategy in his classic On Designing and Deploying Internet-Scale Services:

Never delete anything. Just mark it deleted. When new data comes in, record the requests on the way. Keep a rolling two week (or more) history of all changes to help recover from software or administrative errors. If someone …

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