Autoscale applications based on external events with KEDA.pdf

Autoscale applications based on external events with KEDA.pdf

• 1.
  Autoscale Applications based onexternal events with KEDA Nilesh Gule @nileshgule
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  $whoami { “name” : “NileshGule”, “website” : “https://www.HandsOnArchitect.com", “github” : “https://GitHub.com/NileshGule" “twitter” : “@nileshgule”, “linkedin” : “https://www.linkedin.com/in/nileshgule”, “YouTube” : “https://www.YouTube.com/@nilesh-gule” “likes” : “Technical Evangelism, Cricket”, “co-organizer” : “Azure Singapore UG” }
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  @nileshgule KEDA Kubernets based EventDriven Autoscaling Scaling in Kubernetes KEDA Overview TechTalks demo with RabbitMQ Autoscaling with KEDA KEDA Architecture Agenda
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  Pre-requisites • Self containedapplication with all its dependencies Docker • Orchestrates containers • Self healing • Service discovery • Scaling Kubernetes • Dockerhub / private container registry • Repository for storing container images Container Registry • Managed Kubernetes service on Azure • Native integration with other Azure services like Azure Active Directory (AAD), Azure Container registry (ACR), Azure Container Instances (ACI), Azure Monitor etc. Azure Kubernetes Service (AKS)
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  Kubernetes scaling options HorizontalPod Autoscaler Vertical Pod Autoscaler Cluster Autoscaler Manual
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  TechTalks Application Architecture TechTalksConsumer TechTalks Producer TechTalks Frontend (UI) Message Broker Polyglot Programming
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  Dapr overview
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  Techtalks-producer Azure-Singapore-cluster demo-azure-singapore-rg ngacrregistry acrResourceGroup Techtalks-consumer TechTalks with Dapr- AKS
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  @nileshgule Demo KEDA inaction
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  KEDA Architecture
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  ScaledObject apiVersion: keda.k8s.io/v1alpha1 kind: ScaledObject metadata: name:rabbitmq-consumer namespace: default labels: deploymentName: rabbitmq-consumer-deployment spec: scaleTargetRef: deploymentName: rabbitmq-consumer pollingInterval: 5 # Optional. Default: 30 seconds cooldownPeriod: 30 # Optional. Default: 300 seconds minReplicaCount: 1 # Optional. Default: 0 maxReplicaCount: 30 # Optional. Default: 100 triggers: - type: rabbitmq metadata: queueName: hello queueLength : ‘5’ authenticationRef: name: trigger-auth-rabbitmq-host
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  KEDA Features
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  Run Containers atscale ❖KEDA supported scale triggers including Azure Event Hub, Apache Kafka, RabbitMQ, MongoDB, MySQL, PostgreSQL etc. ❖Robust autoscaling without managing complex infrastructure ❖Scale to zero and pay only for use by the second https://keda.sh/docs/2.11/scalers/
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  Summary • Modern applicationsare loosely coupled and highly portable • AKS provides native integrations to Dapr and KEDA • KEDA helps to auto scale on metrics external to Kubernetes • Dapr tries to simplify the Microservices development and deployment • Dapr Components help to extract underlying functionality and provides abstractions • Make app portable to run in serverless as well as managed cloud services
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  References https://www.youtube.com/@nilesh-gule https://dapr.io/ Dapr Publish andSubscribe Kubernetes Event Driven Autoscaling Serverless - Dapr and Azure Container Apps Comparison between ACA and AKS
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  Containerize Apps Resources CloudNative Ninja : https://github.com/NileshGule/cloud-native-ninja Azure Container Apps : https://github.com/NileshGule/techtalks-azure-container-apps-demo Slides Slideshare: https://www.slideshare.net/nileshgule/ Speaker Deck: https://speakerdeck.com/nileshgule/
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  Nilesh Gule ARCHITECT |MICROSOFT MVP “Code with Passion and Strive for Excellence” nileshgule @nileshgule Nilesh Gule NileshGule www.handsonarchitect.com https://www.youtube.com/@nilesh-gule
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  #GlobalAzure Q&A