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The data Artisans Blog

Apache Flink, stream processing, event-driven applications, and more.

How Apache Flink manages Kafka consumer offsets

In this episode of our Flink Friday Tip, we explain with a step-by-step example how Apache Flink works with Apache Kafka to ensure that records from Kafka topics are processed with exactly-once guaran...

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An introduction to ACID guarantees and transaction processing

Last month we introduced data Artisans Streaming Ledger, our new technology that brings serializable, distributed ACID transactions directly on data streams. In this blog post, we take a step back to ...

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6 things to consider when defining your Apache Flink cluster size

This is the first episode of our new blog series called Flink Friday Tip. Flink Friday Tips provide some easy-to-digest best practices and advice on how to leverage the power of Apache Flink and make ...

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Meet the Engineer: Ufuk Celebi

In this section of our “Meet the Engineer” series, I’d like to introduce my data Artisans colleague Ufuk Celebi. Ufuk is one of the co-founders of the team and one of the very few Berliners in t...

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State TTL for Apache Flink: How to Limit the Lifetime of State

A common requirement for many stateful streaming applications is the ability to control how long application state can be accessed (e.g., due to legal regulations like GDPR) and when to discard it. Th...

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Latest improvements for Apache Flink with the release of Flink 1.5.4 and 1.6.1

The Apache Flink® community just released two bugfix versions, Apache Flink 1.5.4 and Apache Flink 1.6.1 including many resolved issues and improvements. In the sections below we will outline the imp...

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Announcing Data Artisans Platform 1.2 with major new Enterprise Security features

Today, data Artisans is announcing the availability of data Artisans Platform 1.2, with major new Enterprise Security features.Alongside this new release, data Artisans is also announcing the availab...

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Serializable ACID Transactions on Streaming Data

We are excited to announce the general availability of data Artisans Streaming Ledger, an exciting new technology that brings serializable ACID transactions to applications built on a streaming archit...

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Meet the Engineer: Dawid Wysakowicz

In this edition of our “Meet the Engineer” series, I’d like to present my data Artisans colleague Dawid Wysakowicz. Dawid is an Apache Flink committer and an avid Liverpool FC fan who made the j...

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Apache Flink 1.6.0: What’s new in the latest Apache Flink release

The Apache Flink® community has just release v. 1.6.0 with major improvements and additions to the technology. The community worked hard in the last 2+ months to resolve more than 360 issues and is p...

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