I Learnt

Things I have learnt over time ...

In a distributed system ... there is no now

Published on 
1 min, 80 words

This paper is a discussion around the issues faced by distributed systems when dealing with time, ordering and failures. This is particularly relevant with the work I am doing at the moment designing a very large distributed system that will need to scale massively.

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Categories: technology

A Hitchhiker’s Guide to Consensus Algorithms

Published on 
1 min, 64 words

This is a summary of a number of consensus algorithms currently being used in the Blockchain space. The most common at the moment is Proof of Work however this is slowly being replaced by other approaches that are more performant and don't use all the Earth's energy.

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Categories: technology

A personal link to 'The Mother Of All Demos'

Published on 
2 min, 201 words

There is a video of a demonstration given by Doug Engelbart in 1968 which is commonly referred to as "The Mother Of All Demos". In the demo, he demonstrates a lot of technologies for the first time together that are common place today and some which we haven't even achieved properly now:

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Working from home boosts productivity

Published on 
1 min, 157 words

I am fortunate with my current role that I am able to work 2-3 days per week from home. This saves me about 2.5 hours of commuting time per day as well as about £2000 per year.

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Categories: work

Armada by Ernest Cline

Published on 
1 min, 111 words

Took me a little while to get into this book. It starts out in a school where a pupil spots a spaceship from his favourite video game. This then moves on to it being a precursor to an invasion by the aliens from the video game and the game itself was actually put together as training so the players could pilot drones in the war. A slightly surreal concept but pretty well executed. The "twist" with the main characters dad is a bit contrived but overall not a bad read - enjoyed it more as it went along. Not as good as Ready Player One.

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Categories: book