Articles by stanislav kozlovski
Ursa — a new Diskless Lakestream engine for Kafka
The future of Kafka is diskless topics + native Apache Iceberg / Delta Lake integration Intro Ursa is a relatively new engine that's being fitted into Kafka. This is done through a minimally invasive fork that will be open-sourced in a few months. Here's why one should care: introduces Diskless Topics to Kafka — the ones that WarpStream pioneered, with 10x lower infra costs, simpler operations, instant scalability, etc.
MongoBleed, officially CVE-2025-14847, is a recently-uncovered extremely sensitive vulnerability affecting basically all versions of MongoDB since ~2017. It is a bug in the zlib1 message compression path in MongoDB. It allows an attacker to read off any uninitialized heap memory, meaning anything that was allocated to memory from a previous database operation could be read. The bug was introduced in 20172. It is dead-easy to exploit - it only requires connectivity to the database (no auth needed).
How AWS S3 serves 1 petabyte per second on top of slow HDDs
Everyone knows what AWS S3 is, but few comprehend the massive scale it operates at, nor what it took to get there. In essence - it’s a scalable multi-tenant storage service with APIs to store and retrieve objects, offering extremely high availability and durability at a relatively low cost. 400+ trillion objects 150 million requests a second (150,000,000/s) > 1 PB/s of peak traffic tens of millions of disks Hard drives. How S3 achieves this scale is an engineering marvel.
Why Was Apache Kafka Created?
Reading Time: 13 minutes We talk all the time about what Kafka is, but not so much about why it is the way it is. What better way than to dive into the original motivation for creating Kafka? Circa 2012, LinkedIn’s original intention with Kafka was to solve a data integration problem.
Introducing Apache Kafka 3.7 Original
We are proud to announce the release of Apache Kafka¬ģ 3.7.0. This release contains many new features and improvements. This blog post will highlight some of the more prominent features. For a full list of changes, be sure to check the release notes. See the Upgrading to 3.7.0 from any version 0.8.x through 3.6.x section in the documentation for the list of notable changes and detailed upgrade steps.
Data Shows That Bitcoin’s Lightning Network Has Solved The Scalability Problem
This is an opinion editorial by Stanislav Kozlovski, a software engineer and macroeconomic researcher. Many Bitcoiners have heard of Bitcoin’s “lack of scalability” — it is one of the most common critiques waged against the project by both gluttonous cryptocurrency competitors and incumbent establishment actors.
How to Remove Apache Kafka Brokers the Easy Way
The recent release of Confluent Cloud and Confluent Platform 7.0 introduced the ability to easily remove Apache Kafka® brokers and shrink your Confluent Server cluster with just a single command. Removing Kafka brokers from a cluster seems simple at first glance—an intentional design decision from our user’s perspective—but under the hood, it turns out to have a surprising amount of subtlety and complexity.
Bitcoin Shows That Trust In The Government And The Gold Standard Isn’t Necessary
It has been more than 50 years since the Nixon shock — August 15, 1971, when President Nixon went on national television to announce the historic change that the U.S. dollar would no longer be pegged to gold. Perhaps few people knew how tremendous of a decision that was at the time, and fewer people realized the vast consequences and second-order effects such an action would have. Regardless, it happened. And we’re here, 51 years later, in 2022.
Bitcoin Shows That Trust In The Government And The Gold Standard Isn’t Necessary
Published Jan 28, 2022 5:00PM EST Bitcoin is a return to sound money after the government overreach that led to the end of the gold standard. It has been more than 50 years since the Nixon shock — August 15, 1971, when President Nixon went on national television to announce the historic change that the U.S. dollar would no longer be pegged to gold.
How Bitcoin’s Sound Incentives Drive A Sound World Original
Clearing one’s mind and gazing into the machinery of the economic world, one is left with little besides absolute awe. Humanity’s inventions and their subsequent compounding throughout the years have manufactured a world of great abundance - one which would be close to unrecognizable just five generations ago.
A Summary Of Bitcoin's Massive First Quarter Original
Gradually, then suddenly. It is the way that Hemingway penned the process of going bankrupt: first comes a series of incremental steps which bring you closer to bankruptcy, until reality hits you and a sudden realization of what has occurred dawns upon you. This process can be thought of as a universal one: it applies to many things in life, like achieving success, declining health or the once-in-a-lifetime emergence of a brand-new asset class.
How Money Printing Really Works
A Short Introduction To What Influences Money Supply In The Modern Economy It’s undeniable — the world runs on money. This thought is ingrained in all of us and we all understand it deeply. This is evident by the fact that we spend vast amount of hours every day in order to attain more of it. In the Bitcoin space, we constantly see news, memes and critiques about how the central banks have printed absurd amounts of money yet again.
Bitcoin Is The Move
Why A Bitcoin Investment Is A Massively Underrated Opportunity In Today’s Macro Landscape Torres del Paine, Torres de Paine, Chili. Photo by Marc Thunis on Unsplash Preface We live in interesting times. With the advances in technology and the proliferation of the internet — software is eating the world. Coming out of the Great Recession — the world had seen massive economic growth in what was close to an 11-year bull run largely dominated by U.S. tech equities. We live in interesting times.
Windows Event Log to the Dark Side
Event log is a component of Microsoft Windows which provides a central logging service for the operation system, logs helped fixing problems and provided many traces and evidences for forensics.
A Bitcoin Investment In Today's Macroeconomy
Torres del Paine, Torres de Paine, Chili. Photo by Marc Thunis on Unsplash We live in interesting times. With the advances in technology and the proliferation of the internet — software is eating the world. Coming out of the Great Recession — the world had seen massive economic growth in what was close to a 11 year bull run largely dominated by US tech equities.
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