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Tag: application health checks

More Fun with NGINX Plus Health Checks and Docker Containers

At nginx.conf 2017, I gave a presentation on how to use NGINX Plus health checks with Docker containers. You can access the presentation as a YouTube video or a blog post, which includes the Powerpoint slides and a transcription of my talk. In this post, I'll describe an improved version of the basic approach, then present working…

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Fun with Health Checks using NGINX Plus and Docker

This post is adapted from a presentation at nginx.conf 2017 by Rick Nelson, Head of the Sales Engineering Team at NGINX, Inc. You can view the complete presentation on YouTube. Table of Contents   Introduction 0:47 NGINX Plus Active Health Checks 1:37 Preventing Server Overload 2:27 Base Topology for Demo 3:08 Topology for the Three…

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TCP/UDP Load Balancing with NGINX: Overview, Tips, and Tricks

This post is adapted from a presentation delivered at nginx.conf 2016 by Konstantin Pavlov of NGINX, Inc. You can view a recording of the complete presentation on YouTube.   Introduction 1:00 TCP Load Balancing 1:53 UDP Load Balancing 3:31 TCP/UDP Load Balancer Tuning 6:18 TCP/UDP Active Health Checks 8:53 Access Control and Limiting 9:43 Passing the Client's IP…

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Announcing NGINX Plus R12

[Editor – This post has been updated to refer the NGINX Plus API, which replaces and deprecates the separate dynamic configuration and status modules discussed in the original version of the post.] Today we are pleased to announce that NGINX Plus R12 is available as a free upgrade for all NGINX Plus subscribers. NGINX Plus is a high‑performance software…

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Running Microservices on OpenShift with the NGINX MRA’s Fabric Model

[ngx_snippet name='table-style-blog'] Kubernetes has become a popular container platform for running microservices applications. It provides many important features, such as fault tolerance, load balancing, service discovery, autoscaling, rolling upgrades, and others. These features allow you to seamlessly develop, deploy, and manage containerized applications across a cluster of machines. Red Hat's OpenShift 3 is a container platform…

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Scaling MySQL with TCP Load Balancing and Galera Cluster

We introduced TCP load balancing in NGINX Plus R5, and have continually added features in subsequent releases, as well as support for UDP load balancing. In this article we explore the key requirements for TCP load balancing and how NGINX Plus addresses them. To explore the features of NGINX Plus we will use a simple test environment that represents…

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Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 3: Application Version

[Editor – This article has been updated to use the NGINX Plus API for live activity monitoring and dynamic configuration of upstream groups, replacing the separate Status and Upstream Conf APIs that were originally used.] This is the last of three articles in our series about using NGINX Plus to upgrade backend servers with zero downtime. In…

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Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 2: Individual Servers

[Editor – Except as noted, this article has been updated to use the NGINX Plus API for live activity monitoring and dynamic configuration of upstream groups, replacing the separate Status and Upstream Conf APIs that were originally used.] This is the second of three articles in our series about using NGINX Plus to upgrade backend servers with…

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Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 1: Overview

Upgrading backend servers in a production environment can be a challenge for your operations or DevOps team, whether they are dealing with an individual server or upgrading an application by moving to a new set of servers. Putting upstream servers behind NGINX Plus can make the upgrade process much more manageable while also eliminating or greatly…

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Load Balancing DNS Traffic with NGINX and NGINX Plus

NGINX Plus R9 introduces the ability to reverse proxy and load balance UDP traffic, a significant enhancement to NGINX Plus' Layer 4 load‑balancing capabilities. This blog post looks at the challenges of running a DNS server in a modern application infrastructure to illustrate how the open source NGINX software and NGINX Plus can effectively and efficiently load balance both…

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