Itnext.io

Node Health Checks. Starring Async/Await by Mike …

WEBNode Health Checks. Cloud Foundry (CF) has a concept of health checks. These can take a few forms, but the preferred approach …

Actived: 9 days ago

URL: https://itnext.io/node-health-checks-b25a6c62d990

Health checks for Kafka Streams application on Kubernetes

WEBHealth check endpoint for the probe. Kubernetes supports HTTP endpoints, TCP socket and arbitrary command execution as health check probes. For our Kafka …

Category: Health Go Health

Health Check Response Format for HTTP APIs

WEBAt its simplest, the response is a JSON object with a mandatory status property: Values can be: pass for healthy status. The value can also be ok (for NodeJS) …

Category: Health Go Health

Auto-Heal Azure VM Scale Set Instances

WEBLoad Balancer Health Probe. In a recent engagement, I was asked to find a way to auto-heal instances in a scale set should the application became unhealthy. Having done quite a bit of Kubernetes …

Category: Health Go Health

Kubernetes Readiness Probes — Examples & Common Pitfalls

WEBKubernetes runs readiness probes to understand when it can send traffic to a pod, i.e., to transition the pod to Ready state. For example, if a pod is used as a …

Category: Health Go Health

Kubernetes Ugly Commands: Fetch Ingress Object Health in …

WEBUgly Command Name: Fetch Ingress Object Health in Namespace. What does it do? Looks through every Ingress object in a namespace and: Checks if it has a …

Category: Health Go Health

A Primer on Distributed Systems Observability

WEBFigure 2: Health check pattern. Distributed Tracing Pattern. Imagine this scenario: you have multiple components, modules, and libraries in one or several …

Category: Health Go Health

How to tackle the cold start problem of Azure Function

WEBThe initial idea came to me after observing the behavior of our Azure Load balancer health probes used for Service Fabric services. It was only after an initial …

Category: Health Go Health

Kubernetes: Liveness and Readiness Probes — Best practices

WEBstartupProbe: is used by Kubernetes to know when a container has started and is ready to perform checks with livenessProbe and readinessProbe. livenessProbe …

Category: Health Go Health

Elastic Stack on Kubernetes 1.15 using Helm v3

WEBTest cluster health using Helm test. $ Helm test elasticsearch. As shown on the hint above, you can watch the status of the cluster with the following commands: $ …

Category: Health Go Health

Monitoring Distributed Jetty Servers in K8s using Prometheus and

WEBOne the Prometheus source is in place we can create a dashboard for our Jetty service. Click ‘‘Create button’’ and select “Dashboard” menu item. Now select …

Category: Health Go Health

Increasing an NPM package’s search score

WEBHealth score was a full 1 at the starting point, as the package had all its dependencies up to date and no vulnerabilities. First up, I approached the “tests” score. …

Category: Health Go Health

GitLab: monitoring — Prometheus, metrics, and Grafana dashboard

WEBgitaly_supervisor_health_checks_total: Count of Gitaly supervisor health checks; grpc_server_handled_total: Total number of RPCs completed on the server, …

Category: Health Go Health

Easy way to use Azure Application Gateway for an Intranet

WEBConfigure the Backend pools, Backend Settings (earlier called HTTP settings), Routing rules, Health probes and Rewrite rules (if any) for the application in …

Category: Health Go Health

Using the Azure Application gateway WAF with Istio-2

WEBConfigure Backend health settings such that the target port is the Nodeport corresponding to port 80 of the istio-ingress service in istio-ingress namespace; kubectl …

Category: Health Go Health

Istio: external AWS Application LoadBalancer and Istio Ingress

WEBA solution was googled on Github — Health Checks do not work if using multiple pods on routes: move health-checks related annotations to the Service of the …

Category: Health Go Health

Elastic Beanstalk is your guy to Run Your .Net Apps on AWS

WEBElastic Beanstalk is your guy that makes it possible to run applications developed with Java, .NET, PHP, and others. The first thing to do is search for Elastic …

Category: Health Go Health

Kubernetes monitoring with Prometheus in 15 minutes

WEBKubernetes monitoring with Prometheus in 15 minutes. If you have not heard of Kubernetes (or its commonly known name K8s), it’s time to get out of your cave. K8s …

Category: Health Go Health

Upgrading Hundreds of Kubernetes Clusters

WEBPierre: While basic application metrics can provide a general sense of health, managing hundreds of clusters requires more in-depth testing. Here at Qovery, with our experience …

Category: Health Go Health

Deep Learning in Information Retrieval. Part I: Introduction

WEBEfficient patient trial recruitment is a major barrier to medical research. An important solution to this problem is to build an information retrieval system that will …

Category: Medical Go Health