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Questions tagged [scalable]

139 questions
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How do I design a scalable data storage system for big billion sale?

The system should provide ACID guarantees. I have to work on this project during my Database course. I don't know where to start. Any help would be useful.
Depinder Preet Singh
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Scalable circles with dynamic numbers inside

Apologies if this has been asked and answered already, as I was not able to find an appropriate solution to this problem. I need to work on a site navigation that require some numbers to be placed inside circles. The circles will increase in…
Anand A Nair
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efficient way of constructing a matrix of pair-wise distances between many vectors?

First, thanks for reading and taking the time to respond. Second, the question: I have a PxN matrix X where P is in the order of 10^6 and N is in the order of 10^3. So, X is relatively large and is not sparse. Let's say each row of X is an…
JRun
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What's the Best method of checking Site / Server Uptime Efficiently (PHP)

I am trying to build a system of monitoring site / server uptime in PHP, the system will be required to check thousands of domains / ips a minute. I have looked into cURL as this seems to be the best method. Edit: The system will be required to…
Lee
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Scalable cloud solution for startup web application

I am running a startup and we are developing a web application for football addicted users (developed in PHP Laravel + MySql). As MVP, we plan to have 1000 users subscribed in the first year and lets say 500 of them can use the app at the same time.…
connex
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When I key in a URL, why does the webpage take a long time to load on my mobile phone's browser?

I would like to construct an answer that is very detailed in preparation for software engineering interviews and also to really understand what happens 'under the hood'. What I have right now is: When you key in the url, there is a TCP handshake…
stretchr
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Scalable architecture/application

Nowadays, we have a big noise around being scalable, build an application that can handle millions of the requests. There are many libraries that aim to help you to develop scalable applications, but after all there are just a few ways to scale your…
Aliaksandr Kazlou
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Openshift Scalable Rails 4 new application renders 503 Server Unavailable

I successfully deployed a rails single gear application on openshift a few months ago. I am now attempting to deploy a scalable application. After setting up the app, connecting with git, pushing a minimalist project to openshift, I am getting a…
TJ Jones
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Scalable SocketIO message rooms

So I'm currently building an App and I am trying to think about the most efficient way to do the networking. I'm trying to create a cross between chat rooms and forum posts, in that you post a topic and people will chat about it. I want this chat to…
synergies
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Using multiple servers in Java

For a college assignment I'm building a networked Java application using sockets*. My architecture must be scalable so I would like to have multiple servers available for my clients to communicate with. My question is, how can a client know about…
Odhran Roche
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Scaling WPF user interface to fit screen, without distorting font aspect ratio

I have a WPF application that should scale it's UI to fit the full screen - in different aspect ratios. I'm using grids for some of it, but that doesn't scale the font, and a ViewBox to scale a TabControl, but that distorts the text by changing it's…
O'Rooney
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Making Pagination in Javascript Scalable (for large # of db results)

I'm using the SilverStripe CMS/MVC Framework. My coder says that Pagination must be done with Javascript (instead of PHP) in this Framework. But now I'm a bit worried about scalability. If I understand correctly, this means that all the results…
user2671645
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Best scalable model for a website serving millions of users everyday

I want to develop a website that will serve millions of pages everyday including the mobile devices. Site will have strong social features and thus would require lots of reads/writes. It will also suggest things to users based on their social…
Tahir
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get scaling div to stay in same position

I am working with a scalable background image using CSS. I am using a div tag container with a nested AP div that contains an animated flash logo that I want to be scaled down together with the background image. I have two problems that I have been…
Sara
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Mobile application scalable backend

TL;DR : How would you host a scalable backend for a mobile application without cloud (if possible, unless it's by far the best way), keeping it the cheapest way. I'm about to finish a Mobile App (Android first, later Iphone/Windows) which interacts…
Battochon
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