0
votes
1answer
24 views

Is it viable to run a script that serves images from database?

I run a very dynamic game review site. All the images (screenshots, game thumbnails, user profile pics, etc.) are served via a PHP script on the server. It takes the id as a parameter and reads the ...
1
vote
1answer
86 views

Is this load balancing / horizontal scaling scheme naive?

I offer my solution to the following problem, and ask you networking and server admin professionals to validate it or poke holes in it. I am interested in any obvious attack vectors or scalability ...
0
votes
1answer
36 views

redundancy / load balancing on 2 unmanaged dedicated Windows-based servers

We normally host our dedicated servers in an unmanaged data centre, i.e we just purchase the server and we can manage it ourselves via remote desktop connection. We cannot install / configure any ...
5
votes
2answers
132 views

Load balancer explanation

I'm trying to figure out how exactly the load balancing of sites like facebook/youtube works, but I have few questions. So after alot reading I figured out that loadbalancing looks like this: When ...
0
votes
1answer
224 views

Predictive vs Least Connection Load Balancing Techniques

I have a windows based desktop application that communicates via TCP to the application servers. (windows 2003). No sticky sessions between client calls. We have exactly 2 servers to load balance and ...
5
votes
0answers
1k views

Multithreading with multi-queue NIC on SMP system [closed]

How are packets scheduled from network interface queues to CPUs, then onwards to threads for processing? What needs to be considered when it comes to how packets are hashed across queues, hardware ...
3
votes
1answer
402 views

Multiple DNS names and IP address to make load balancing more efficient in an Exchange CAS Array

The tl;dr problem The CAS server occasionally gets one or two NAT'ed IP addresses that have several hundred users behind it. That is bad for scalability. The tl;dr solution Have the NAT'ed ...
0
votes
1answer
167 views

Creating my small farm by virtual machines to learn scalability issues [closed]

I would like to create a fake server farm using virtual machines with Ubuntu server on them. I do not plan to use those as a real farm to host people websites etc. I recently read about scalability, ...
0
votes
3answers
221 views

Is it possible to rate limit based on host headers? i.e. not just on ip address

I have a web service endpoint that I am building where people will post an xml file to, and it will really get pounded with over 1K requests per second. Now they are sending in these xml files via ...
2
votes
2answers
918 views

How to load balance > C100K?

Suppose that a hypotetical webapp keeps one connections per user (eg: chat app using comet, long pooling, etc...). How can i load balance such thing to scale beyond the connection limit of a single ...
9
votes
6answers
3k views

What is a typical method to scale out a software load balancer?

I often see web app architectures with a SLB / reverse-proxy in front of a bunch of app servers. What happens when the number of connections to the SLB requires too many resources for a single SLB to ...
3
votes
2answers
338 views

Good Books About Scaling Up Databases/Servers/etc.? [closed]

I've applied for an internship at a startup company that expects its user base to grow by a large factor in a small amount of time, and so part of their project is to scale everything up so that ...
1
vote
2answers
339 views

How to configure reverse proxy/loadbalancer for custom routing

Suppose I have 3 webservers behind a reverse proxy/loadbalancer. Currently I use Apache 2 but don't mind switching. Those webservers are not equal. They have different sets of local data meaning that ...
2
votes
5answers
147 views

Will having 3 servers + load balancer help in my situation?

I want to upgrade my server because of the high mysql loads causing slowness + whenever there were backup processes running on the DB, the DB would be inaccessible, so wanted some solution. My current ...
2
votes
2answers
2k views

Server Clustering (Django, Apache, Nginx, Postgres)

I have a project deployed with django, Apache, Nginx and Postgres. The project has requirement of live data viewable to customers. The projects main points are: 1. Devices in field send data to ...
0
votes
2answers
664 views

Linux/bsd tcp load balancing with 10 gigabit ethernet

Okay, I've been looking at layer 4 load balancing solutions for 10 gigabit links. I need the following properties Works at 10Gig ethernet speeds. Can support long live tcp connections. up to 1mil ...
1
vote
1answer
152 views

Create a database for scalability

I know this sounds like a programming question which means it should be on stackoverflow but i believe server admins worry about this more and i am not looking for just the programming answer to this ...