Terraform by HashiCorp
Deliver infrastructure as codeTerraform codifies cloud APIs into declarative configuration files. AdoptCompose infrastructure as code in a Terraform file using HCL to provision resources from any infrastructure provider. BuildInfrastructure automation workflows to compose, collaborate, reuse, and provision infrastructure as code across IT operations and teams of developers. StandardizeEstablish gu
LVS NAT + Keepalived HOWTO
By Adam Fletcher (C) 2002, released under GPL Install, testing and running of a Keepalived HA based LVS/NAT 1. keepalived - what is it? From Alexandre Cassen, author of keepalived: "The main goal of the keepalived project is to add a strong & robust keepalive facility to the Linux Virtual Server project. This project is written in C with multilayer TCP/IP stack checks. Keepalived implements a fram
High Availability
As more and more mission-critical applications move on the Internet, providing highly available services becomes increasingly important. One of the advantages of a clustered system is that it has hardware and software redundancy, because the cluster system consists of a number of independent nodes, and each node runs a copy of operating system and application software. High availability can be ach
GitHub - frsyuki/keepalived-check: keepalived.conf parser
keepalived-check ---------------- keepalived.conf parser and checker *Requirements - ruby >= 1.8.6 *Installation $ make $ sudo cp keepalived-check /usr/local/bin *Usage Usage: keepalived-check [options] <keepalived.conf> -v, --verbose keepalived-check command exits with 0 if the keepalived.conf file is valid. *Example keepalived-check /etc/keepalived.conf *Limitation keepalived-check does NOT cove
Multiple backends with Varnish - All things sysadmin
Varnish has been able to provide caching for more than one backend for quite some time. The achilles heel with this has up until now been that it hasn’t been able to determine whether a backend is healthy or not. This is now a problem of the past! The backend health polling code is available in 2.0 beta1 Sadly it had a bug, so when using the ‘random' director, it was unable to use the remaining he
Varnish HTTP Cache — Varnish HTTP Cache
Varnish HTTP Cache¶ I’m new here, please explain this Varnish thing What is happening¶ 2023-03-15 - Varnish 7.3.0 is released¶ Our bi-annual “fresh” release is here: Varnish Cache 7.3.0 The 7.1 series is no longer supported in any capacity. 2023-02-06 - Two new Storage Engines for Varnish-Cache¶ Celebrating the 17th anniversary of Varnish-Cache today, your Open-Source Varnish-Cache friends from UP
An Unorthodox Approach to Database Design : The Coming of the Shard - High Scalability -
Update 4: Why you don’t want to shard. by Morgon on the MySQL Performance Blog. Optimize everything else first, and then if performance still isn’t good enough, it’s time to take a very bitter medicine. Update 3: Building Scalable Databases: Pros and Cons of Various Database Sharding Schemes by Dare Obasanjo. Excellent discussion of why and when you would choose a sharding architecture, how to sha
7 Years of YouTube Scalability Lessons in 30 Minutes
« Sponsored Post: Gigaspaces, Nokia, Oracle, Percona Live, AiCache, ElasticHosts, Logic Monitor, Attribution Modeling, New Relic, AppDynamics, CloudSigma, ManageEngine, Site24x | Main | Stuff The Internet Says On Scalability For March 23, 2012 » If you started out building a dating site and instead ended up building a video sharing site (YouTube) that handles 4 billion views a day, then it’s just
1. LVS: Introduction
This LVS-HOWTO is posted to the LVS-HOWTO homepage, http://www.austintek.com/LVS/LVS-HOWTO/ about once a month (although I do miss occasional months). Some of the material is from my own testing and I've tried to make it into a coherent story. Much of the material is from the lvs-users mailing list and is listed chronologically (sometimes forward and sometimes backwards in time) and will thus look
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Mixing Pacemaker versions
OpenTSDB - A Distributed, Scalable Monitoring System
如流, 新一代智能工作平台
[笔记]Linux内核学习之旅--软中断(SIrq)与SMP IRQ Affinity - _Boz - 博客园
如流, 新一代智能工作平台
http://www.opendebug.com/article/493667
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Starting Varnish — Varnish version trunk documentation
Varnish HTTP Cache — Varnish HTTP Cache
Use NGINX as a Front-end Proxy and Software Load Balancer
surealived