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...
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...
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 ...
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...
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...
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...
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...
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...
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...
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)...
27-02-2017 12:20:46 codecentric Advanced

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