Other Thoughts
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Python, Numpy and a Programmer Error: Story of a Bizarre Bug
While recently working on my performance analysis for Paxos-style protocols, I uncovered some weird quirks about python and numpy. Ultimately, the problem was with my code, however the symptoms of the issue looked extremely bizarre at first. Modeling WPaxos required doing a series of computations with numpy. In each step, I used numpy to do…
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Retroscoping Zookeeper Staleness
ZooKeeper is a popular coordination service used as part of many large scale distributed systems. ZooKeeper provides a file-system inspired abstraction to the users on top of its replicated key-value store. Like other Paxos-inspired protocols, ZooKeeper is typically deployed on at least 3 nodes, and can tolerate F node failure for a cluster of size…
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Why Government IT is Expensive and Archaic
Disclaimer: I do not work for the government, and my rant below is based on my very limited exposure to how IT works at the US government setting. Why Government IT is Expensive and Archaic? I think, this can be a very long discussion, but I do have a quick answer: standards imposed by government…
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New Blog
My name is Aleksey Charapko, I am a computer science student at the University at Buffalo. In this blog I will try to write on mostly technical topics that I am interested in.
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Recent Posts
- On Metastable Failures and Interactions Between Systems
- Murat and Aleksey Read Papers: “Barbarians at the Gate: How AI is Upending Systems Research”
- Academic Chat with Murat and Aleksey: 5 Cs of the Invisible Curriculum.
- HoliPaxos: Towards More Predictable Performance in State Machine Replication
- Fall 2025 Reading List (##201-210)
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