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Optimizing Server Architecture with Apache/Varnish/MySQL on Linux

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http://serverfault.com – I am a server administrator for a small start-up as a side venture (meaning I am by no means a well seasoned expert on the subject), and I recently helped move the site from a single windows machine to a cluster of machines on Rackspace Cloud. Currently the site benchmarks at about 600 requests/second, but given the amount of resources we have allocated to it, I feel it could be much higher. Right now we are using the Rackspace Cloud Load Balancer (Apache Zeus) in front of 8 web servers. Each web server is running Linux on a 512MB cloud instance and the content is being served by Varnish wi (HowTos)

taskli's picture
Submitted by taskli on 09/09/2011

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I am setting up a single Debian server serving Magento with Mysql. High load is expected (millions of hits per day). I've been reading various people's comments and found so many different setups but I am not sure what to do if I want to. Load balancing between several servers would of course be nice but I have only one server.

I am trying to understand the differences between cloud server and VPS/VDS.

Rackspace Cloud DNS API 41 weeks 5 days ago

After Softlayer, why doesn't support FREE RackSpace Cloud DNS API as well ?

Cloud DNS - Free Cloud Based DNS Management system by Rackspace

It would be fantastic to have benefits of running nameservers on Rackspace cloud and then unload our own servers !

:)

So as a bit of background, I am completely new to server admin.

I am a web designer, and generally know quite a bit about computers.

Until a few months ago, I had never used LINUX.

Now my desktop runs Mint, and I have moved to an Ubuntu Linux cloud server with Rackspace.

Essentially I have followed the following guide: http://www.symana.com/2010/12/setup-a-lamp-rackspace-cloud-server-running-

One of our Windows Server 2008 servers which was hosted as a Cloud Server on Rackspace has recently failed. We are not getting much help from the Rackspace support, all they keep saying is that hardware on the physical server has failed and data on the VM server corrupted.

We use Varnish as our front-end web cache and load balancer, so we have a Linux server in our development environment, running Varnish with some basic caching and load-balancing rules across a pair of Windows 2008 IIS web servers.

We have a wildcard DNS rule that points *.development at this Varnish box, so we can browse http://www.mysite.com.development, http://www.othersite.com.development, etc

I have 2 soon to be 4 servers in rackspace cloud, they are windows 2008 64 bit r2 machines. I am trying to set up a private network with which I can VPN into.

I have a high traffic website running with Drupal and Apache, five web servers behind a Varnish server load balancing. Let's say this site is example.com.

I need help creating a backup script for Rackspace Cloud sites.

The sites need daily backups for both the web site & their mysql databases (some sites have as many as 4 databases), the backups then need to be ftp'd off-site.

It appears that i can only achieve this via cron jobs. Rackspace show an example backup script but only show how to push files to cloudfile storage (see below).