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Authentication and authorization in a microservice architecture: Part 1 - Introduction

This article is the first in a series of articles about authentication and authorization in a microservice architecture. The complete series is: Overview of authentication and authorization in a microservice architecture Implementing authentication Implementing simple authorization Developing complex authorization Implementing complex authorization using Oso Cloud - part 1 Implementing complex authorization using Oso Cloud - part 2 Authentication is the mechanism for verifying a user’s identity while authorization...
How machines understand meaning: A guide to Embeddings & Vector Search

This article explains how embeddings turn meaning into math and how vector databases help us search through it efficiently.We are in the data evolution period, where computers (and us, people) deal with all sorts of information: text, images, videos, and more. To make sense of this diverse data, we need a way to translate it into a language that machines...
What If We Could Rebuild Kafka from Scratch?

Do away with partitions: topic partitions were crucial for scaling purposes when data was stored on node-local disks, but they are not required when storing data on effectively infinitely large object storage in the cloud. While partitions also provide ordering guarantees, this never struck me as overly useful from a client perspective. You either want to have global ordering of...
How Discord Indexes Trillions of Messages

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The Hitchhiker’s guide to Diskless Kafka

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Sandbox MCP: Enable LLMs to run ANY code safely

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Intro to Apache Spark (slides)

Intro to Apache Spark (slides)

Published by Arnon Rotem-Gal-Oz on December 16, 2020

I gave a general overview of Apache Spark to our R&D teams. You can find the slides below

Where is Apache Spark heading?

Where is Apache Spark heading?

Published by Arnon Rotem-Gal-Oz on December 4, 2020

I watched (COVID19-era version of “attended”) the latest spark Summit and in one of the keynotes Reynold Xin from Databricks, presented the following two images…

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Intro to Docker & Kubernetes (slides)

Intro to Docker & Kubernetes (slides)

Published by Arnon Rotem-Gal-Oz on May 25, 2020

Just had a 2 hours session with my team introducing Docker and Kubernetes (presentation and hands-on). I thought the slides might be useful to others:

Protecting your AWS from EKS with kube2iam

Protecting your AWS from EKS with kube2iam

Published by Arnon Rotem-Gal-Oz on May 28, 2019

I really like Kubernetes; I’ve been following almost since its inception 5 years ago and used it successfully in the past 3+ years in several…

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Big data isn’t – well, almost

Big data isn’t – well, almost

Published by Arnon Rotem-Gal-Oz on March 23, 2019

Back in ancient history (2004) Google’s Jeff Dean & Sanjay Ghemawat presented their innovative idea for dealing with huge data sets – a novel idea…

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