Learning Karaf Cellar

Book Image

Learning Karaf Cellar

By : Jean Baptiste Onofre, Jean-Baptiste Onofré

Book Image

Learning Karaf Cellar

By: Jean Baptiste Onofre, Jean-Baptiste Onofré

Overview of this book

Learning Karaf Cellar

Learning Karaf Cellar

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Free Chapter

Apache Karaf – Provisioning and Clusters

Apache Karaf – Provisioning and Clusters

The OSGi container

Multiple Apache Karaf containers

Apache Karaf Cellar

Apache Karaf Cellar

Cluster topologies

Apache Karaf Cellar architecture

Apache Karaf Cellar installation and first commands

Cluster resources

Hazelcast

What is Hazelcast?

Distributed cluster resource states

Replicas/Backup

Cluster Groups

Managing cluster groups

Targeting provisioning

Producers, Consumers, Handlers, Listeners, and Synchronizers

Producers, Consumers, Handlers, Listeners, and Synchronizers

The event producer

The event consumer

Listeners and synchronizers

The Filtering of Cluster Events

The Filtering of Cluster Events

The configuration of the filters

Blacklist and whitelist

Inbound and outbound

Regex and event identification

The default filter configuration

DOSGi

What is Cellar DOSGi?

The service bundle

The client bundle

Cellar and Camel

Cellar and Camel

The communication between remote routes

Caching with a distributed map

Roadmap

HTTP load balancing and session clustering

Clustering a log service

Index

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Summary

In this chapter, we have introduced the Apache Karaf Cellar topology and architecture.

We also installed Apache Karaf Cellar and used some basic commands to sync two nodes in a cluster. The next chapter will describe the configuration files used by Apache Karaf Cellar and the usage of Hazelcast.