The ability of a system, network, or process, to handle growing amounts of work in a graceful manner or its ability to be enlarged to accommodate that growth.

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3
votes
6answers
14k views

Where does youtube store so many videos?

If we are to make something like youtube, then what should be the approach with respect to storing the videos? Any idea about what youtube does ?
1
vote
1answer
168 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 ...
0
votes
2answers
466 views

I have one database (mysql). What is the best “failover” strategy?

Does MySQL come with a built-in automatic failover? Or, are there load-balancers out there that can "detect" whether the database is alive...and if not...shoot it to the failover database? I know ...
10
votes
9answers
1k views

Scalable (> 24 TB) NAS for research department

I have been asked to provide a new fileserver to store our medical images (raw format, not dicom). As we have no IT staff, I have to find a solution, and I hardly know anything about this topic. The ...
1
vote
1answer
478 views

Which requests cause a w3wp process to grow considerably?

On a production environment, how can one discover which Asp.Net http requests, whether aspx or asmx or custom, are causing the most memory pressure within a w3wp.exe process? I don't mean memory leaks ...
3
votes
4answers
287 views

Is it normal to get bandwidth as the first scalability bottleneck with a 100 Mbps connection?

I'm stress testing a site that we're making, and we're finding a very surprising result compared to my expectations: Our site starts to load very slow with a few hundred simultaneous people, even ...
5
votes
3answers
3k views

need advice on building a scalable architecture for moodle

I'm looking into designing an architecture for a moodle based education site, it will serve several thousand users at first but needs to be able to grow to support hundreds of thousands to millions of ...
6
votes
2answers
2k views

Scalable CouchDB setup

I want to migrate an existing application that has approx. 10 million records stored in a relational database to CouchDB. The thing that I love about CouchDB is easy replication and fast cached views. ...
9
votes
9answers
12k views

How to solve linux subdirectories number limit?

I have a website which will store user profile images. Each image is stored in a directory (Linux) specific to the user. Currently I have a customer base of 30+, which means I will have 30+ folders. ...
2
votes
4answers
10k views

How many databases can SQL server express handle

I'm running a SQL EXPRESS 2005 server currently hosting ~50 databases. The databases serve clients' CMS/eCommerce websites. The connections are to a single instance, no user attached instances are ...
1
vote
3answers
245 views

Ad server software for high traffic site

The company I work for runs a web site that gets a little over fifty million hits a month. We are looking at replacing our existing custom-written ad server with a prepackaged solution. It ...
0
votes
1answer
179 views

Avg AntiVirus Professional Scalability?

With the Network editions of AVG Anti virus for business, how well does it scale? How many users can it support on one network? I have heard a few stories of business's with about 3000 computers under ...
22
votes
10answers
45k views

Running 100 virtual machines on a single VMWare host server

I've been using VMWare for many years, running dozens of production servers with very few issues. But I never tried hosting more than 20 VMs on a single physical host. Here is the idea: A stripped ...
0
votes
7answers
517 views

High performance web server with no database interactivity

I'm getting ready to setup a server that will be responsible for tracking statistical data from a high volume traffic source. It will be handling requests at about 6-7mil/hour on average, all of ...
4
votes
3answers
589 views

Is there a scalable open source web BB/forum?

Some places say phpBB doesn't scale past 5000 concurrent users. Is there FOSS forum software out there that might go further, to say 7k-10k or more?
3
votes
6answers
3k views

How do I reduce RAM usage on my server?

I have recently launched a site that is very popular but I am having trouble with scalability. My site makes heavy use of FFmpeg and at peak times RAM usage hits the 2 GB point quickly and the swap ...
1
vote
2answers
201 views

Enterprise scaling - hardware & server tips

Things change when you are delivering to a large enterprise audience. What are the most important things to think about in relation to your server or server farm when scaling to a very large user ...
24
votes
6answers
4k views

Scaling databases with cheap SSD hard drives

I hope that many of you are working with high traffic database-driven websites, and chances are that your main scalability issues are in the database. I noticed a couple of things lately: Most large ...