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Author Archives: Eugene Fedorenko

I am a Senior Architect at Flexagon focusing on ADF and many other things.

Deployment Strategies with Kubernetes and Istio

In this post I am going to discuss various deployment strategies and how they can be implemented with K8s and Istio. Basically the implementation of all strategies is based on the ability of K8s to run multiple versions of a microservice simultaneously and on the concept that consumers can access the microservice only through some entry point. At that entry ...

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Load Testing of a Microservice. Kubernetes way

Let’s assume there is a microservice represented by a composition of containers running on a K8s cluster somewhere in a cloud, e.g.Oracle Kubernetes Engine (OKE). At some point we want to quickly stress test a specific microservice component or the entire microservice. So we want to know how it works under the load, how it handles many subsequent requests coming ...

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Serverless API with Azure Functions

java-interview-questions-answers

In this post I am going to work on a pretty simple use case. While executing a deployment pipeline FlexDeploy may produce some human tasks that should be either approved or rejected. For example, someone has to approve a deployment to the production environment. It can be done either in FlexDeploy UI or with some external communication channels. Today I ...

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Conversational UI with Oracle Digital Assistant and Fn Project. Part II

java-interview-questions-answers

In my previous post I implemented a conversational UI for  FlexDeploy with Oracle Digital Assistant. Today I am going to enrich it with Fn Flow so that the chatbot accepts release name instead of id to create a snapshot. Having done that the conversation will sound more natural: …“Can you build a snapshot?” I asked.“Sure, what release are you thinking of?”“Olympics ...

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