Spring boot with Apache Ignite fail fast distributed map reduce closures

Here we are going a cover a case need in Apache ignite , what if you want to do distributed compute jobs that do data computations or external service calls using Apache Ignite distributed closures that has map reduce nature and fail fast once of the computations fail or it has the unexpected results , how to do that ? below we are going to explain that .

mapReduce

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Akka Persistence with Apache ignite

In this post we will share a starting project to use Apache ignite data grid an event and snapshot store to mix the benefits of the event sourcing and the data grid .

The implementation is based into the Journal plugin TCK specs provided by Akka persistence.

This is mainly using Apache ignite with akka persistence to provide journal and snapshot store by using the partitioned caches and benefit from the distributed highly available data grid features plus the nice query and data computations features in Ignite that can be used to have normalized views from the event store and do analytical jobs over them despite it is advised to keep write nodes separate from read nodes for better scalability.

Final

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Spring boot with embedded config server via spring cloud config

When it comes to micro-services, it is really normal to have a configuration server that all your services will connect to fetch its own configuration but what about if you just need to externalize your configuration and make it manageable via source control like Git and your infrastructure is not yet ready for micro-services deployment and operation model.

manage-distributed-configuration-and-secrets-with-spring-cloud-and-vault-spring-io-2017-10-638

What if you have spring boot app and you want to use spring cloud config semantic to do the same for you , is it possible to start embedded spring cloud config inside the your spring boot app to fetch its configuration remotely from Git for example ? the answer is yes and i am going to show how :

configServerBoot

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Spring boot integration test with cucumber and Jenkins pipeline

Here I am sharing how you can integrate cucumber for behavior driven testing with spring boot integration test and how you collect the reports in Jenkins pipeline.

In a sample spring boot app generated from my custom spring boot archetype we will show a small integration test suite with cucumber and spring boot.

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Implement Retry in Unit test

If you are doing an integration test or sanity testing for real application endpoints in continuous delivery process where you hot deploy the application and and you want to trigger some checkups and sanity testing part of your delivery pipeline , how you can add retry logic with delay to unit testing and to your integration test ?

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