The DevOps 2.5 Toolkit: Monitoring, Logging, and Auto-Scaling Kubernetes
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This book is 75% complete
Last updated on 2018-11-30
About the Book
I am yet to discover the exact description of the book. For now, all I know is that there will be some auto-scaling, monitoring, and logging inside Kubernetes clusters.
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Table of Contents
- Preface
- About the Author
- Dedication
- Audience
- Requirements
-
Autoscaling Deployments and StatefulSets Based On Resource Usage
- Creating A Cluster
- Observing Metrics Server Data
- Auto-Scaling Pods Based On Resource Utilization
- To Replicas Or Not To Replicas In Deployments And StatefulSets?
- What Now?
-
Auto-Scaling Nodes Of A Kubernetes Cluster
- Creating A Cluster
- Setting Up Cluster Autoscaling
- Scaling Up The Cluster
- The Rules Governing Nodes Scale-Up
- Scaling Down The Cluster
- The Rules Governing Nodes Scale-Down
- Can We Scale Up Too Much Or De-Scale To Zero Nodes?
- Cluster Autoscaler Compared in GKE, EKS, and AKS
- What Now?
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Collecting And Querying Metrics And Sending Alerts
- Creating A Cluster
- Choosing The Tools For Storing And Querying Metrics And Alerting
- A Quick Introduction To Prometheus And Alertmanager
- Which Metric Types Should We Use?
- Alerting On Latency-Related Issues
- Alerting On Traffic-Related Issues
- Alerting On Error-Related Issues
- Alerting On Saturation-Related Issues
- Alerting On Unschedulable Or Failed Pods
- Upgrading Old Pods
- Measuring Containers Memory And CPU Usage
- Comparing Actual Resource Usage With Defined Requests
- Comparing Actual Resource Usage With Defined Limits
- What Now?
-
Debugging Issues Discovered Through Metrics And Alerts
- Creating A Cluster
- Facing A Disaster
- Using Instrumentation To Provide More Detailed Metrics
- Using Internal Metrics To Debug Potential Issues
- What Now?
-
Extending HorizontalPodAutoscaler With Custom Metrics
- Creating A Cluster
- Using HorizontalPodAutoscaler Without Metrics Adapter
- Exploring Prometheus Adapter
- Creating HorizontalPodAutoscaler With Custom Metrics
- Combining Metric Server Data With Custom Metrics
- The Complete HorizontalPodAutoscaler Flow Of Events
- Reaching Nirvana
- What Now?
-
Visualizing Metrics And Alerts
- Creating A Cluster
- Which Tools Should We Use For Dashboards?
- Installing And Setting Up Grafana
- Importing And Customizing Pre-Made Dashboards
- Creating Custom Dashboards
- Creating Semaphore Dashboards
- A Better Dashboard For Big Screens
- Prometheus Alerts vs. Grafana Notifications vs. Semaphores vs. Graph Alerts
- What Now?
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