Blog: codecentric


211 blogs updated: 33 min. ago
Event time processing in Apache Spark and Apache Flink
With the new release of Spark 2.1, the event-time capabilities of Spark Structured Streaming have been expanded. It is time to take a closer...
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20-04-2017 08:28:18 codecentric Advanced
XFS: Possible Memory Allocation Deadlock in kmem_alloc
A few weeks ago we were surprised by seemingly random I/O hangs on several virtual machines. Any attempt to write to their data volumes bloc...
12
11-04-2017 11:17:20 codecentric Advanced
Running Spring Boot Apps on Docker Windows Containers with Ansible: A Complete Guide incl Packer, Vagrant & Powershell
This is a crazy world. It s not only possible to make Ansible provision Windows machines. No! There are Docker Windows Containers out there ...
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06-04-2017 03:06:04 codecentric Advanced
CRUD operations on Spring REST resources with Kotlin
In this practical, hands-on post I would like to share some of my experience in building REST services wih JSON and Spring(Boot) using Kotli...
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03-04-2017 15:22:35 codecentric Advanced
Distributed Stream Processing Frameworks for Fast & Big Data
Spark Streaming, Flink, Storm, Kafka Streams that are only the most popular candidates of an ever growing range of frameworks for processing...
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27-03-2017 07:58:21 codecentric Advanced
Building a distributed Runtime for Interactive Queries in Apache Kafka with Vert.x
Interactive Queries are a fairly new feature of Apache Kafka Streams that provides programmatic access to the internal state held by a strea...
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20-03-2017 07:57:50 codecentric Advanced
Interactive Queries in Apache Kafka Streams
"Databases? Where we're going we don't need databases" - Doc Brown, 1985 Well, we're certainly not there yet, but this article is going to i...
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13-03-2017 09:04:50 codecentric Advanced
Akka Best Practices: Defining Actor Props
Akka provides an implementation of the actor model for building reactive applications. So in Akka, an application is made up of actors rathe...
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10-03-2017 12:26:39 codecentric Advanced
Writing Integration Tests with Docker Compose and JUnit
An integration test verifies the communication paths and interactions between components to detect interface defects. Martin Fowler In my cu...
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06-03-2017 09:02:03 codecentric Advanced
Integration testing strategies for Spring Boot microservices part 2
This is the second part of my earlier post about strategies for integration-testing Spring Boot applications that consist of multiple (rest)...
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27-02-2017 12:20:46 codecentric Advanced


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