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Distributed consensus revised
Distributed consensus revised Howard, PhD thesis Welcome back to a new term of The Morning Paper! To kick things off, I’m going to start by taking a look at Dr Howard’s PhD thesis, ‘Distributed con…
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Visualization techniques for different data sets
Visualizations are awesome.
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Kyoto Tycoon in 2019
I've been interested in using Kyoto Tycoon for some time. Kyoto Tycoon, successor to Tokyo Tyrant , is a key/value database with a number of desirable features:
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The difference between isolation levels and consistency levels
(Editor's note: This post is cross-posted on Fauna's blog, where Daniel Abadi serves as an adviser . Fauna is is a serverless, cloud data...
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Dynamo vs. Cassandra: Systems Design of NoSQL Databases (2018)
A comparison of ideas behind Dynamo and Cassandra
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Mergeable replicated data types – Part I
Mergeable replicated data types Kaki et al., OOPSLA’19 This paper was published at OOPSLA, but perhaps it’s amongst the distributed systems community that I expect there to be the greatest in…
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Layers in Software: From Data to Value
Then Back in the 2000s, we wrote applications in layers. Presentation layer, client, data transfer, API, business logic, data access, database. We maintained strict separation bet ween these layers…
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Stock Option Pricing Inference
I’m a stock market enthusiast 📈, so lately I have spent my spare time on the topic of stock option pricing, and I was curious to find out whether or not I could build a script that accurately reflected real market option prices. It turns out I came close, and learned a lot along the way, which I share in this article.
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Math versus Dirty Data
At Google, our organization designs, owns, and maintains a number of optimization models that automate the planning of Google’s datacenter growth and health. As is pretty standard in supply chain optimization and planning, these models are often integer linear programs. It’s a core competency of operations research…
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Nonnegative matrix factorization
The why and how of nonnegative matrix factorization Gillis, arXiv 2014 from: ‘Regularization, Optimization, Kernels, and Support Vector Machines.’ Last week we looked at the paper ‘Beyond news cont…
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Ebtrees: Elastic Binary Trees (2011)
Administrivia This article was initially posted on Wikipedia in 2008, which explains why it's written at the 3rd person and looks familiar...
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ZFS on Linux still has annoying issues with ARC size
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Building a CRUD App with Datomic Cloud Ions
Software engineer, etc etc
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Waiting for PostgreSQL 12 – Allow user control of CTE materialization, and change the default behavior.
This is pretty important change, as it has the chance to cause performance issues in some cases.