Category Archives: Examples

Medium Post: Monitoring Clusters During Rolling Restarts

We have just published a post on Medium on how to monitor rolling restarts of Coherence clusters using a new example just released in the latest SNAPSHOT build of Coherence CE. Carrying out a rolling restart to apply application changes … Continue reading

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Monitoring Coherence in Docker with Grafana

Coherence provides the ability to expose Metrics via HTTP in a number of formats, Prometheus being the default. With this feature it is very easy to monitor a Coherence using Grafana. In this post I will show you how to … Continue reading

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Hello, Coherence Community Edition, Part 2: Building the client

The second part of Aleks Seovic’s article in Java Magazine has now been published! In part 2, Aleks walks through building React and JavaFX front ends to integrate with the REST API that was developed in part 1. The React … Continue reading

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Post Update: Monitor Your Coherence Clusters using Grafana and Prometheus

In July I wrote a post about Monitoring your Coherence Clusters using Grafana and Prometheus. (See here for this post) I’ve just updated this example and included the instructions for getting this working with our recently released open-source Coherence Community … Continue reading

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Java Magazine: Creating cloud native stateful applications that scale, Part 1

Aleks Seović, who is an architect from the Coherence Development team, has just written part 1 of a series of articles on “Creating cloud native stateful application that scale”. This is an excellent article on using Coherence Community Edition and … Continue reading

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Updated Coherence Demo Released with Open Tracing and Coherence CE Support

To coincide with Coherence Community Edition (CE) release, the Coherence Demo has been updated to work with Coherence CE and the Coherence Operator version 3.0.0. This version uses Coherence CE 14.1.1-0-1 by default and showcases Open Tracing to trace client calls from a JAX-RS … Continue reading

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Monitor Your Coherence Clusters using Grafana and Prometheus

With the release of the Coherence Operator, which allows customers to run Coherence within a Kubernetes environment and the recent Coherence 12.2.1.4 release, you now have the ability to expose Coherence metrics in a Prometheus format and therefore monitor your … Continue reading

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Updated Coherence Demo now runs on Kubernetes

Now that the Coherence Operator 1.0.0 is released, the Coherence Demo has been updated to run on Kubernetes using the Coherence Operator. Please see below for the the post on the “official” Coherence Blog. https://blogs.oracle.com/oraclecoherence/updated-coherence-demo-now-runs-on-kubernetes Enjoy!

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Updated Coherence Plug-in with Java 9 Mission Control

Overview With the official release of JDK 9, Java Mission Control (JMC) was also updated to 6.0.  Something that had bugged me for many years was that the old JMC included an “experimental” Coherence plug-in to view cache and service … Continue reading

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Coherence Federated caches made easy in WebLogic 12.2.1.1

Introduction Coherence 12.2.1 introduced Federated Caching which allows asynchronous federation of cache data across multiple geographically dispersed clusters. In Coherence version 12.2.1.1 when using Coherence with Managed Coherence Servers you can now use the WebLogic Server (WLS) Admin console to more easily configure federated … Continue reading

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