gRPC Load Balancing
This post describes various load balancing scenarios seen when deploying gRPC. If you use gRPC with multiple backends, this document is for you. A large scale gRPC deployment typically has a number of identical back-end instances, and a number of clients. Each server has a certain capacity. Load balancing is used for distributing the load from clients optimally across available servers. Why gRPC?g
Using iptables to balance Node.js processes
One of the challenges in building a web application on any platform is making sure it can handle enough visitors. That’s a fairly well known and understood challenge for apps hosted on Apache, which is where most of our experience has been. It’s a new ballgame when we’re talking about Node.js based apps. The NodePing web application is all Node.js on the server, with lots of jQuery driven Ajax on
Envoy: C++ L7 proxy and communication bus
Envoy Tweet Docs C++ L7 proxy and communication bus Envoy is an open source edge and service proxy, from the developers at Lyft Out of process architecture Envoy is a self contained server. It runs alongside any application language or framework. At Lyft we currently use it to proxy for PHP, Python, Go, Java, and C++. HTTP/2 Envoy has first class support for HTTP/2 for both incoming and outgoing c
Nginx balancer_by_luaã®è©±ã¨upstreamåå‰è§£æ±ºã®è©± - Qiita
http { upstream backend { server 0.0.0.1; # just an invalid address as a place holder balancer_by_lua_block { local balancer = require "ngx.balancer" local host = "127.0.0.2" local port = 8080 local ok, err = balancer.set_current_peer(host, port) if not ok then ngx.log(ngx.ERR, "failed to set the current peer: ", err) return ngx.exit(500) end } keepalive 10; # connection pool } } 見ãŸé€šã‚Šãªã®ã§ã™ãŒã€upstrea
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Elastic Load Balancingã§è¤‡æ•°ã®ã‚¾ãƒ¼ãƒ³ã«ã‚ãŸã£ã¦æŒ¯ã‚Šåˆ†ã‘ã‚‹ã¨ãã«æ°—ã‚’ã¤ã‘ã‚‹ã“㨠| DevelopersIO
大é‡ã®ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ãŒäºˆæƒ³ã•ã‚Œã‚‹ã‚µãƒ¼ãƒ“スを構築ã™ã‚‹éš›ã«AWSを使ã†ã¨ Elastic Load Balancing 㨠Auto Scaling を組ã¿åˆã‚ã›ã¦è² è·çŠ¶æ³ã«å¿œã˜ã¦ EC2 を自動ã§ã‚¹ã‚±ãƒ¼ãƒ«ã•ã›ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚普段ã¯ã¾ã‚ã¾ã‚ã ã‘ã©æ€¥ã«è·³ã上ãŒã‚‹å¯èƒ½æ€§ã‚‚ã‚ã‚‹å ´åˆã«ã¯ã¨ã¦ã‚‚便利ãªä»•çµ„ã¿ã§ã™ã‚ˆã。 今回ã¯ã•ã‚‰ã«è¤‡æ•°ã® Availability Zone（Multi-AZ）ã«ã‚ãŸã£ã¦EC2ã‚’é…ç½®ã™ã‚‹éš›ã«æ°—ã‚’ã¤ã‘ãŸã»ã†ãŒã„ã„ã¨ã“ã‚を紹介ã•ã›ã¦ã„ãŸã ããŸã„ã¨æ€ã„ã¾ã™ã€‚ Elastic Load Balancingã£ã¦ï¼Ÿ Elastic Load Balancing（以下ELB）ã¯é…下ã«ã‚る複数ã®EC2ã®è² è·çŠ¶æ³ã«å¿œã˜ã¦ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’分散ã—ã¦ãã‚Œã¾ã™ã€‚ã•ã‚‰ã« Health Check ã¨ã„ã†ä»•çµ„ã¿ã‚’使ã†ã“ã¨ã§ã‚¢ãƒ—リケーションã®ä¸å…·åˆã‚’検知ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ å„è¨å®šã‚„状æ³ã¯AWS Conso
ELBã®æ‰±ãˆã‚‹TCP portã¯25,80, 443 or 1024 to 65535
ã“れもã¾ãŸçŸ¥ã‚‰ã‚Œã¦ãªã„シリーズã‹ã€‚ ELBã®æ‰±ãˆã‚‹TCP portã¯25,80, 443 or 1024 to 65535。 ãã—ã¦ã€é•ã†portã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ã‚‚ICMPã§refuseを通知ã—ãŸã‚Šã¯ã—ãªã„。 今ã¯1024 upã®ã‚‚ã®ã ã‘ã§ã™ã。HTTPã‚„HTTPSç‰ãŒç‰¹åˆ¥æ‰±ã„。。RT @matsukaz: ãã®ã†ã¡ä½•ã¨ã‹ãªã‚‹ã‚“ã§ã™ã‹ã㇠(´；ω；｀)#jawsug RT @matsukaz: ELBã§843ãƒãƒ¼ãƒˆãŒä½¿ãˆãªã„ã¨ã„ã†ãƒ¯ãƒŠã€‚ã¾ã¢ã‹ãƒ¼ã€‚ — ARAKI Yasuhiroã•ã‚“ (@ar1) 5月 24, 2012
The best load balancing methods, techniques and algorithms
What is a load balancer? A load balancer is simply a device that sends internet traffic to a group of application servers with an even load distribution. Their key advantage over DNS is that they can ensure the server is responding and that it's actually giving the correct response! You'll find further clarification in our 'What is a load balancer?' blog. Before load balancers we used DNS servers
訳：ELB：評価方法ã®ãƒ™ã‚¹ãƒˆãƒ—ラクティス - aws memo
Best Practices in Evaluating Elastic Load Balancing : Articles & Tutorials : Amazon Web Services http://aws.amazon.com/articles/1636185810492479 ï¼ï¼ï¼ï¼ æ¦‚è¦ ELBを最もよã評価ã™ã‚‹ã«ã¯ã€ELBã®ã‚¢ãƒ¼ã‚テクãƒãƒ£ã‚’ç†è§£ã™ã‚‹å¿…è¦ãŒã‚る。本稿ã¯ã€AWS ELBã®æ©Ÿèƒ½ã¨ç‹¬ç‰¹ãªã‚¢ãƒ¼ã‚テクãƒãƒ£ã«ã¤ã„ã¦è¿°ã¹ã‚‹ã€‚ベストプラクティスをæä¾›ã™ã‚‹ã“ã¨ã§ã€ELBをテスト・評価ã™ã‚‹éš›ã«ä¸€èˆ¬çš„ãªè½ã¨ã—ç©´(pitfall)ã‹ã‚‰é¿ã‘られるよã†ã«ãªã‚‹ã€‚ã“ã®ãƒ›ãƒ¯ã‚¤ãƒˆãƒšãƒ¼ãƒ‘ーãŒå¯¾è±¡ã¨ã—ã¦ã„ã‚‹èªè€…ã¯ã€ELBã®çµŒé¨“ãŒå°‘ãªã„ãŒã€éŽåŽ»ã«H/W,S/Wã®ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’使ã£ãŸã“ã¨ãŒã‚るよã†ãªé–‹ç™ºè€…ã§ã‚る。 ELBã®æ¦‚è¦ ELBã¯ã€è¤‡æ•°ã®EC2インスタンスã¸ã€è‡ªå‹•çš„ã«ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’分散ã™ã‚‹ã€‚å˜
How elastic are Amazon Elastic Load Balancers (ELB)? Not very it seems
This is where I record my rants, comment, quotes and thoughts on things. I welcome your input, please fire away. Find out more about me at: http://mattheworiordan.com How elastic are Amazon Elastic Load Balancers (ELB)? Not very it seems Update: Since I made this post, Amazon have in fact been in touch and have been extremely helpful looking into this issue and running numerous tests to ensure ELB
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Application Performance  | Google Cloud
Traefik Labs: Say Goodbye to Connectivity Chaos
Introducing HTTP Load Balancing and SSD Persistent Disk on Google Cloud Platform
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