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Rate-limit Kafka event generation with kcat and bash

by Henrik Loeser (data_henrik) | Nov 24, 2021 | big data, data in action, fun, ibmcloud, IT, scripting

Traffic for event streamsRecently, I worked with IBM Cloud Event Streams which is a message bus built with Apache Kafka. I was looking for a simple command-line tool to test my Event Streams instance and to stream access logs into it. That's when I ran into kcat...

On serverless data scraping, cloud object storage, MinIO and rclone

by Henrik Loeser (data_henrik) | Nov 18, 2021 | administration, big data, data in action, fun, IBM, ibmcloud, IT, notebook, Python, tools

Building a data lake the serverless wayThis fall, I started another side project. It involves mobility data and its analysis and visualization. As first step and still ongoing, I am building up a data lake (and maybe integrating it into a data fabric). For that, I...

Some advanced SQL to analyze COVID-19 data

by Henrik Loeser (data_henrik) | May 18, 2020 | analytics, big data, cloud, data in action, database, DB2, IBM, IT, Life, sql

Learn to write SQLAll of us are impacted by COVID-19. Looking at daily case numbers, the basic reproduction number or mortality rates has become a routine. But what is behind those numbers? How are they computed and how does SQL help? In this post, I want to discuss...

Some advanced SQL to analyze COVID-19 data

by Henrik Loeser (data_henrik) | May 18, 2020 | analytics, big data, cloud, data in action, database, DB2, IBM, IT, Life, sql

Learn to write SQLAll of us are impacted by COVID-19. Looking at daily case numbers, the basic reproduction number or mortality rates has become a routine. But what is behind those numbers? How are they computed and how does SQL help? In this post, I want to discuss...

25th meeting of German Db2 User Group

by Henrik Loeser (data_henrik) | Jan 27, 2020 | cloud, data in action, database, DB2, dedug, IBM, idug, IT, performance, sql, user group

Celebrating the 25th DeDUG meeting Last Friday, the 25th meeting of the German Db2 User Group was held, this time hosted by Fiducia & GAD IT AG in Karlsruhe. As usual, it was both a great networking and informative event. I had the opportunity to catch up with many...

25th meeting of German Db2 User Group

by Henrik Loeser (data_henrik) | Jan 27, 2020 | cloud, data in action, database, DB2, dedug, IBM, idug, IT, performance, sql, user group

Celebrating the 25th DeDUG meeting Last Friday, the 25th meeting of the German Db2 User Group was held, this time hosted by Fiducia & GAD IT AG in Karlsruhe. As usual, it was both a great networking and informative event. I had the opportunity to catch up with many...

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