General Discussion
UK Based CDN
Hi, I was wondering if I could borrow the collective minds of you all to draw up a list to the CDN's that you'd use/do use in the UK. If they're outside the UK but have decent support then also include. The service
Latest
Conference: Infoscale 2008 in Italy (June 4-6)
The Third International Conference on Scalable Information Systems will focus on a wide array of scalability issues and investigate new approaches to tackle problems arising from the ever-growing size and complexity of information of all kinds. Looking at their technical program a lot of interesting topics will be covered. I
Scalability
Twitter as a scalability case study
A lot has been said already about Twitter's scalability issues. Many have given Twitter as an anti-pattern of how not to deal with scalability and have suggested different solutions for scaling it. As Twitter is famously a Ruby-on-Rails deployment, this case has also been used as a weapon
ibm
DB2 Express-C
Searching around the HS website I noticed that there are no articles regarding db2, which has an express edition, free of charge and from what I know there aren't any restrictions. Being a powerful database system I thought it could make be an alternative to MySQL, PostgreSQL databases.
ibm
WebSphere Commerce High Availability and Performance Configurations
Nobody came up with an example of a website powered by a Websphere product (which has a community edition) and backed up by a DB2 database. I guess you all know about usopen.org so here's the story: While the re-emergence of 35-year-old Andre Agassi and the continued
Example
New Facebook Chat Feature Scales to 70 Million Users Using Erlang
Update: Erlang at Facebook by Eugene Letuchy. How Facebook uses Erlang to implement Chat, AIM Presence, and Chat Jabber support. I've done some XMPP development so when I read Facebook was making a Jabber chat client I was really curious how they would make it work. While core
General Discussion
Scaling an image upload service
Hi, First of all I want to to say that this is an extremely interesting and informative website. i have enjoyed reading the various posts on how the big sites scale to meet the needs of their customers. The service we are developing is a webcam service. The client application
Strategy
Hitting 300 SimbleDB Requests Per Second on a Small EC2 Instance
High Performance Multithreaded Access to Amazon SimpleDB is a great follow up to the idea in How SimpleDB Differs from a RDBMS that more programming is the price paid for performance in SimpleDB. It shows how much work and infrastructure is required to batter better performance out of SimpleDB. Remember,
Product
HSCALE - Handling 200 Million Transactions Per Month Using Transparent Partitioning With MySQL Proxy
Update 2: A HSCALE benchmark finds HSCALE "adds a maximum overhead of about 0.24 ms per query (against a partitioned table)." Future releases promise much improved results. Update: A new presentation at An Introduction to HSCALE. After writing Skype Plans for PostgreSQL to Scale to 1 Billion
Scalability
Put the web server on a diet and increase scalability
Misusing HTTP sessions is probably the number one obstacle to building scalable web sites today. Here are some tips how to consume HTTP sessions responsibly.
Product
Product: nginx
Update 6: nginx_http_push_module. Turn nginx into a long-polling message queuing HTTP push server. Update 5: In Load Balancer Update Barry describes how WordPress.com moved from Pound to Nginx and are now "regularly serving about 8-9k requests/second and about 1.2Gbit/sec through a few
Example
Friends for Sale Architecture - A 300 Million Page View/Month Facebook RoR App
Update: Jake in Does Django really scale better than Rails? thinks apps like FFS shouldn't need so much hardware to scale. In a short three months Friends for Sale (think Hot-or-Not with a market economy) grew to become a top 10 Facebook application handling 200 gorgeous requests per