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All rights reserved. There are Our configuration for HAProxy looks like this: The Envoy Proxy is designed for “cloud native” applications. Three Key Takeaways from NGINX’s AMA Panel During AnsibleFest 2020, Bridging the App Modernization Gap, Part 1, Announcing NGINX Ingress Controller Release 1.9.0, What Customers Tell Us They Need for Modern API Management, Along with Redis Cache its the Most superior. nginx has far more overall features than Envoy as an edge reverse proxy, though many modern service oriented architectures don’t typically make use of them. Managing and observing L7 is crucial to any cloud application, since a large part of application semantics and resiliency are dependent on L7 traffic. NGINX, HAProxy, and Envoy are all battle-tested L4 and L7 proxies. Let’s come up with a methodology for this test so that we have as many fair benchmarks as possible and a range of different information. Envoy is the newest proxy on the list, but has been deployed in production at Lyft, Apple, Salesforce, Google, and others. Envoy vs NGINX. This is not an exhaustive list of things we can test. Related to community, we wanted to see that a project had good forward velocity, as it would show the project would quickly evolve as customer needs evolved. Traefik provides a “ready to go” system for serving production traffic with these additions. This graph shows the load test running at the 250 concurrency level with HAProxy, followed by a break, then the 500 concurrency level. These protocols build on top of your typical transport layer protocols such as TCP. This in and of itself will affect the performance of our system, but gives us valuable forensic data and would normally be turned on in a production environment. This model is very fast for handling I/O bound workloads such as network traffic, but typically limits parallelism across multiple CPUs. We will use a simple load generator, Hey, to generate some sample traffic for these applications to access a simple backend service. After all, they’re all open source! These protocols build on top of your typical transport layer protocols such as TCP. This could mean several things, but at the core, it appears that load balancers perform worse under high bursts of traffic and take longer to respond to requests, affecting overall performance. When choosing a load balancer to front your application’s traffic, there are several factors to consider. The intent of these particular benchmarks is to show out-of-the-box configuration profiles without optimization, and outside of having a backend to another service, use the load balancer’s default configuration. In contrast to NGINX and HAProxy, Envoy uses a more sophisticated threading model with worker threads. it serves 25.03% of traffic of the top 1 million websites. It had the highest throughput in terms of requests per second. NGINX open source has a number of limitations, including limited observability and health checks. It supports serving static content, HTTP L7 reverse proxy load balancing, HTTP/2 + QUIC / HTTP/3, and many other features. Much like NGINX, HAProxy uses an evented I/O model and also supports using multiple worker processes to achieve parallelism across multiple CPUs. As an aggregate, 90% of all requests complete within 855 milliseconds (ms). The SolarWinds trademarks, service marks, and logos are the exclusive property of SolarWinds Worldwide, LLC or its affiliates. At its peak, we see the average backend response time at 3.5 milliseconds. Now, let’s look at HTTPS: Envoy still remains in the lead by throughput with HTTPS. This enables it to run in a single process but still achieve parallelism using every CPU available to it. NGINX uses an evented I/O model for serving traffic. By using our website, you consent to our use of cookies. Different configurations can optimize each of these load balancers, and different workloads can have different results. All proxies do an outstanding job of routing traffic L7 reliably and efficiently, with a minimum of fuss. Envoy, while supporting a static configuration model, also allows configuration via gRPC/protobuf APIs. It’s important when testing load balancers for your infrastructure that you perform a more real-world test for your services. This is an arbitrary number with the intent of helping ensure that there are enough requests to run to get meaningful data at higher concurrency levels. In this article, we will test five different popular load balancers: NGINX, HAProxy, Envoy, Traefik, and Amazon Application Load Balancer (ALB). Finally, Lyft has donated the Envoy project to the Cloud Native Computing Foundation. This, however, is only one view of the picture. Additionally, Envoy can be used as a service mesh proxy and an edge load balancer, a feature that other tools lack. We loved the feature set of Envoy and the forward-thinking vision of the product. Our configuration for NGINX looks like this: Here we are using a log format that also shows the request time and our upstream server’s response time. There are caveats to all benchmarking and it’s important to understand them in relation to your own application testing. HAProxy is a very reliable, fast, and proven proxy. This means that concurrency is severely affected by choice of protocol. Envoy came out as the overall winner in this benchmark. This may be a combination of factors: SSL libraries used by the load balancer, ciphers supported by the client and server, and other factors such as key length for some algorithms. And in the cases where Envoy’s feature set hasn’t met our requirements (e.g., authentication), we’ve been able to work with the Envoy community to implement the necessary features. Here, you can see the round trip times from our load balancer to our backend. Now that you’ve seen some performance characteristics of various load balancers, it’s time to add your own log monitoring. HAProxy is an open-source, microcode-optimized load balancer and claims to feature a , event-driven model. During this process, our load balancers were forwarding their request logs to Loggly via syslog. This measures the throughput of each of these systems under load, giving us a good idea of the performance profile for each of these load balancers as they scale: Surprisingly, Envoy has a far higher throughput than all other load balancers at the 250 concurrency range. From a base performance level, our requests per second tend to drop significantly, up to 30% in some cases. Stats. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018. For this test, we will use a static configuration file, which looks like this: Traefik is a dynamic load balancer designed for ease of configuration, especially in dynamic environments. Integrations. In a typical Kubernetes deployment, all traffic to Kubernetes services flows through an ingress.The ingress proxies traffic from the Internet to the backend services. Originally built at Lyft, Envoy is a high performance C++ distributed proxy designed for single services and applications, as well as a communication bus and “universal data plane” designed for large microservice “service mesh” architectures. Development, DevOps, Nginx, Python, Use cases, Troubleshooting and Diagnostics with Logs, View Application Performance Monitoring Info. This is a great deal of data to parse through, so we will look at a few trends across the data. Using SolarWinds Loggly With MongoDB New Structured Logs, New Volume Reporting and Alerting Feature Announcements, Preparing for the Unexpected: How to Monitor Logs for Anomalies, Apache and Nginx log analysis: simple application monitoring and insight, New Log Types Supported: Rails, Nginx, AWS S3 and Logstash, Five Ways That qbeats Uses Loggly to Gain Immediate Insight from Python and Nginx Logging, Benchmarking 5 Popular Load Balancers: Nginx, HAProxy, Envoy, Traefik, and ALB. Our Traefik configuration looks like this: Our cloud load balancer is the Amazon ALB, which is an HTTP (L7) cloud-based load balancer and reverse proxy. So why did we end up choosing Envoy as the core proxy as we developed the open source Ambassador API Gateway for applications deployed into Kubernetes? Unfortunately, though, since we wanted to make Ambassador open source, NGINX Plus was not an option for us. This chart shows the latency percentile distribution of load balancer responses over HTTP by concurrency. In terms of popularity, nginx and HAProxy kept its lead in 2019 with Envoy overtaking F5 for the third spot according to CNCF Survey 2019. For example, your applications may take advantage of HTTP/2, require sticky sessions, have different TLS certificate settings, or require features that another load balancer does not have. During our tests, we collected the total requests per second, the latency distribution, and a number of successful (200) responses. We'll use these four components to create an Envoy Proxy configuration to match the NGINX configuration defined. Also, each load balancer supports a different feature set that may be more important to your needs than latency or throughput, such as ease of dynamic configuration changes. nginx is the canonical modern web server. In a real-world production system, many things can alter your service’s performance. It is based on the Go Programming Language, which encapsulates concurrency and parallelism features into the runtime to use all available resources on the system. were not fully addressed until the end of 2017, he would not start an Envoy platform company, Envoy updates we’re most excited for this year, From Monolith to Service Mesh, via a Front Proxy — Learnings from stories of building the Envoy…, Why IT Ticketing Systems Don’t Work with Microservices, Verifying Service Mesh TLS in Kubernetes, Using ksniff and Wireshark, Distributed Tracing with Java “MicroDonuts”, Kubernetes and the Ambassador API Gateway, The Two Most Important Challenges with an API Gateway when Adopting Kubernetes, Centralized Authentication with Keycloak and Ambassador Edge Stack, Part 1: Incremental App Migration from VMs to Kubernetes — Routing Traffic Across Platforms &…. HAProxy was initially released in 2006, when the Internet operated very differently than today. It’s interesting that Envoy’s throughput was several times higher than others. NGINX claims to be a high-performance reverse proxy and load balancer. Envoy was originally created by Lyft, and as such, there is no need for Lyft to make money directly on Envoy. Envoy also embraced distributed architectures, adopting eventual consistency as a core design principle and exposing dynamic APIs for configuration.

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