Kai Waehner
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Kai Waehner Technology Evangelist – Big Data Analytics – Middleware – Apache Kafka
Kai Waehner Technology Evangelist – Big Data Analytics – Middleware – Apache Kafka
  • Home
  • Highlights
  • Activities
    • Talks at International Conferences
    • Video Recordings
    • Publications
  • Blog
    • Analytics
    • Cloud
    • Internet of things
    • Integration
    • Stream Processing
      • Apache Spark
      • Big Data
      • Business Intelligence
      • Deep Learning
      • Hadoop
      • In Memory
      • Jupyter
      • Kafka Streams
      • Machine Learning
      • NoSQL
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            • Apache Kafka
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            • ESB
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            • Kafka Connect
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              • Apache Kafka
              • Big Data
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              • Kafka Streams
              • KSQL
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            Technology Evangelist
            Kai Waehner
            Kai Waehner
            bridging the gap between technical innovation and business value for real-time data streaming, processing and analytics
            Mainframe Offloading and Replacement with Apache Kafka and CDC
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            • 21.0K views
            • 14 minute read

            Mainframe Integration, Offloading and Replacement with Apache Kafka

            • Allgemein
            • Apache Kafka
            • Architecture
            • Banking
            • EAI
            • Finance Industry
            • Insurance
            • Integration
            • Microservices
            • ByKai Waehner
            • 24. April 2020
            Time to get more innovative; even with the mainframe! This blog post covers the steps I have seen…
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            Apache Kafka as Data Historian in Industrial IoT and Industry 4.0
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            • 10.7K views
            • 15 minute read

            Apache Kafka as Data Historian – an IIoT / Industry 4.0 Real Time Data Lake

            • Apache Kafka
            • Architecture
            • Data Historian
            • IIoT
            • Internet of Things
            • MQTT
            • PLC4X
            • ByKai Waehner
            • 21. April 2020
            • 3 shares
            ‘Data Historian‘ is a well-known concept in Industrial IoT (IIoT). It helps to ensure and improve the Overall…
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            Apache Kafka in Banking and Finance Industry
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            • 10.6K views
            • 8 minute read

            Apache Kafka and Machine Learning in Banking and Finance Industry

            • Analytics
            • Apache Kafka
            • Banking
            • Finance Industry
            • Machine Learning
            • ByKai Waehner
            • 15. April 2020
            • 7 shares
            The combination of Apache Kafka and Machine Learning / Deep Learning are the new black in Banking and…
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            • 4.3K views
            • 3 minute read

            Confluent Platform 5.4 + Apache Kafka 2.4 (RBAC, Tiered Storage, Multi-Region Clusters, Audit Logs, and more)

            • Apache Kafka
            • Confluent
            • Kafka Connect
            • Kafka Streams
            • KSQL
            • ksqlDB
            • ByKai Waehner
            • 2. April 2020
            Introducing new features in Confluent Platform 5.4 and Apache Kafka 2.4… I just want to share a presentation…
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            Kafka as Event Streaming Platform for a Digital Twin and Digital Thread
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            • 11.5K views
            • 8 minute read

            IoT Architectures for Digital Twin with Apache Kafka

            • Apache Kafka
            • Architecture
            • IIoT
            • Integration
            • Internet of Things
            • Machine Learning
            • ByKai Waehner
            • 25. March 2020
            • 20 shares
            A digital twin is a virtual representation of something else. This can be a physical thing, process or…
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            Can Apache Kafka Replace a Database like Oracle Hadoop NoSQL MongoDB Elastic MySQL et al
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            • 44.4K views
            • 20 minute read

            Can Apache Kafka Replace a Database?

            • Analytics
            • Apache Kafka
            • Architecture
            • Big Data
            • Confluent
            • database
            • Integration
            • Kafka Connect
            • ByKai Waehner
            • 12. March 2020
            • 15 shares
            Can and should Apache Kafka replace a database? How long can and should I store data in Kafka?…
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            Event Streaming and Apache Kafka in Telco Industry
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            • 11.6K views
            • 7 minute read

            Event Streaming and Apache Kafka in Telco Industry

            • Apache Kafka
            • Architecture
            • Big Data
            • Cloud
            • Integration
            • Internet of Things
            • Kafka Connect
            • Kafka Streams
            • KSQL
            • ksqlDB
            • Messaging
            • Microservices
            • Telecommunications Industry
            • ByKai Waehner
            • 6. March 2020
            Event Streaming is a hot topic in Telco Industry. In the last few months, I have seen various…
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            Smart City - Event Streaming with Apache Kafka
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            • 8.3K views
            • 4 minute read

            Smart City with an Event Streaming Platform like Apache Kafka

            • Allgemein
            • ByKai Waehner
            • 24. February 2020
            • 19 shares
            A smart city is an urban area that uses different types of electronic Internet of Things (IoT) sensors…
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            streaming machine learning with apache kafka confluent tiered storage and tensorflow
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            • 4.8K views
            • 4 minute read

            Streaming Machine Learning with Apache Kafka, Tiered Storage, TensorFlow

            • Analytics
            • Apache Kafka
            • Big Data
            • Confluent
            • Internet of Things
            • Machine Learning
            • TensorFlow
            • ByKai Waehner
            • 9. February 2020
            The combination of streaming machine learning (ML), Apache Kafka and Confluent Tiered Storage enables you to build one…
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            The Rise of Event Streaming with Apache Kafka
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            • 4.6K views
            • 2 minute read

            The Rise Of Event Streaming – Why Apache Kafka Changes Everything

            • Apache Kafka
            • Architecture
            • Big Data
            • Kafka Connect
            • Kafka Streams
            • ksqlDB
            • Microservices
            • Open Source
            • Stream Processing
            • ByKai Waehner
            • 6. February 2020
            I had the pleasure to deliver the keynote at OOP 2020 in Munich, Germany. This is a well-known…
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            Global Field CTO
            Kai Waehner
            bridging the gap between technical innovation and business value for real-time data…
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            Featured Posts
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            • 3
              Deep Learning Example: Apache Kafka + Python + Keras + TensorFlow + Deeplearning4j
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            Analytics Apache Apache Camel apache kafka AWS Azure Big Data Cloud Cloud-Native Confluent Data Streaming Deep Learning EAI Edge Enterprise Application Integration ESB event streaming flink GCP Hadoop Hybrid IBM IIoT Integration IoT J2EE Java JEE kafka Kafka Connect kafka streams KSQL Kubernetes machine learning microservices middleware open source Oracle Real Time SaaS Spark StreamBase Streaming Analytics Stream Processing TIBCO
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            • 9 minute read
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            • ByKai Waehner
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            • 674 views
            • 6 minute read
            • Apache Flink
            • Apache Kafka
            • Compliance
            • Data Governance
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            • Financial Services
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            FinOps in Real Time: How Data Streaming Transforms Cloud Cost Management

            • ByKai Waehner
            • 3. July 2025
            IT OT Convergence with Unified Namespace UNS and Data Product in Industrial IoT using Data Streaming Apache Kafka MQTT OPC UA
            Read More
            • 782 views
            • 13 minute read
            • Apache Kafka
            • Data Product
            • Industrial IoT
            • Industry 4.0
            • MQTT
            • OPC UA

            Unified Namespace vs. Data Product in IT/OT for Industrial IoT

            • ByKai Waehner
            • 1. July 2025
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