Scalability is the capability to increase resources to yield a linear (ideally) increase in service capacity. The key characteristic of a scalable application is that additional load only requires additional resources rather than extensive modification of the application itself. Although raw ...
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2answers
63 views
How to handle file access transactions properly?
I'm looking for good practices or any advice regarding file access transaction mechanisms. We will have multiple instances of an application spread over a redundant network (cloud) watching a ...
3
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3answers
219 views
A Huge Database: Picking the right schema and data model
We want to store some genomic variant data but there are some problems, more important ones like problem of the data's immense size and variability.
Variant data can be huge. For example, a single ...
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3answers
99 views
Structuring database for multi-object “activity” and “following” functionalities
I am working on a web application which operate with different types of objects such as user, profiles, pages etc. All objects have unique object_id.
When objects interact it may produce "activity", ...
1
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2answers
83 views
Proper way to measure the scalability of web Application
Let's say that I have a web Application where i'm going to have 300 users and each one have to see data on real time, imagine that each client make an ajax call to the server to see in real time ...
3
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4answers
264 views
Scaling Scrum within a group of 100s of programmers
Most Scrum teams lean toward 7-15 people **, though it's not clear how to scale Scrum among 100s of people, or how the effectiveness of a given team might be compared to another team within the group; ...
1
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4answers
152 views
What are some good tips for a developer trying to design a scalable MySQL database?
As the question states, I am a developer, not a DBA. I have experience with designing good ER schemas and am fairly knowledgeable about normalization and good schema design. I have also worked with ...
2
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4answers
188 views
JSF for an internet facing, high traffic web application
I, perhaps, made a wrong choice of going with a Component-based Framework like JSF for an internet facing, high traffic web application.
Development with JSF has although been easier but what I fear ...
6
votes
5answers
302 views
Most common website scalability pitfalls
We are designing a website/web application where we hope to to achieve high user counts and, in general, lots of use. More specifically, we intend to be using PHP as the programming/scripting language ...
2
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2answers
87 views
Dealing with large amounts of web service requests and storing that data
I have a desktop application that sends a POST request to my website every 5 minutes. This post request can contain a variable amount of data about the PC sending the request, but typically it ...
4
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1answer
356 views
How is Scala scalable? [closed]
Possible Duplicate:
Why is Scala more scalable than other languages?
The Wikipedia page on Scala says:
The name Scala is a portmanteau of "scalable" and "language", signifying that it ...
4
votes
3answers
150 views
What is “Scalable Integrated Systems”?
I've come across a job posting that asks for experience with "Scalable Integrated Systems", but honestly that sounds like "generic buzzword," and I'm trying to figure out what the actual work behind ...
3
votes
3answers
117 views
Work load balance/Task distribution algorithm
I'm looking for an algorithm to either use or as a jump point for load balancing.
Environment:
We have ~7 job types that can be scheduled at any time by our users. Some jobs are fast, others are ...
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0answers
400 views
Why facebook has chosen php? [closed]
Possible Duplicate:
Why did Facebook, Wordpress, vBulletin use PHP/MySQL?
Why facebook has chosen php? is it more scalable? its one of the biggest portal, so it must have not been decision ...
3
votes
3answers
102 views
migrating product and team from startup race to quality development [closed]
Possible Duplicate:
A simple ways to improve the release quality in RAD environment
This is year 3 and product is selling good enough. Now we need to enforce good software development ...
7
votes
1answer
239 views
How can I gather client's data on Google App Engine without using Datastore/Backend Instances too much?
One of the projects I'm working on is online survey engine. It's my first big commercial project on Google App Engine.
I need your advice on how to collect stats and efficiently record them in ...
5
votes
5answers
563 views
Why scalability issues cannot be solved by more servers ?
I know that big websites suffer from scalability issues and I guess that more servers (hardware) can help to handle scalabililty issues but I see that big websites are stuck about scalability even if ...
12
votes
2answers
1k views
Does Node.js actually increase scalability?
I've been reading about the C10K Problem, and of particular note is the part that refers to asynchronous server I/O. http://www.kegel.com/c10k.html#aio
I believe this pretty much summarises what ...
1
vote
4answers
527 views
Are there any non-blocking web servers for Java?
I was studying about the infrastructure being used by Facebook, as I was developing a website based on social interaction for a university project.
Facebook is using Tornado Web Server as its ...
5
votes
2answers
127 views
Storing stop/start points in a database
Let's say I am storing start and stop points per user into a database table.
For example... let's say in a chat system, a user only needs to see lines 24-293, and 500-512. (Let's say he logged off ...
4
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3answers
184 views
Developing scalable applications using Agile methods
Maybe someone can share from his experience about developing an application that is meant to scale big time where just throwing more money at better hardware isn't a realistic option using development ...
12
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8answers
547 views
What is the best way to design a web site to be highly scalable?
For websites that need to be highly scalable, such as social networks like facebook, what's the best way to design the website?
Should I have a web service which the site queries to get data that it ...
1
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1answer
68 views
How and when do you scale Azure instances?
When dealing with Azure instances that are under-performing, how do you decide when to scale the instances? Do you scale horizontally by adding more instances or vertically by making the existing ...
1
vote
1answer
85 views
can we do scaling by throwing ruby stone
I heard developers at my office discussing Ruby language can be used for following purposes: Desktop apps,Web Apps,and may be handheld devices.
Actually,we are in phase of selecting technology to ...
4
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5answers
341 views
Scalability and Programming languages
What makes a language scalable ?
I believe scalability is more about system design. It sounds really odd to me, to say that one language is more scalable than the another.
17
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8answers
729 views
Dangers of huge monolithic application
The big project I'm working on for a couple years now is a control (and everything) application of an advanced device, heart of its firmware.
The device is quite advanced, with more different ...
6
votes
6answers
338 views
Starting up in a basement and scaling
So I have this 'great' idea in my head that I want to start working on and build a company around it. Been working on desktop development for 5+ years and the idea revolves around the web. My exposure ...
2
votes
1answer
174 views
CMS and Databases vs. DIY
I have been programming for many years now, primarily in PHP and the like and would consider myself an intermediate programmer. Some of my online projects have now gone global and very widely used, i ...
8
votes
5answers
742 views
Best PHP-based web development 'stack' of 2011 [closed]
I have been building PHP-based web sites for many years, and lately it seems I'm discovering another interesting new tool or method once every few weeks. This begs the question - what is the current ...
4
votes
3answers
211 views
how to write a scalable/flexible php system?
I am trying to write a joomla type system in PHP to improve my coding/programming skills
i need guidelines/rules of thumb to do that.
what i basically want to do is create a index.php file which ...
5
votes
1answer
119 views
How do I build a highly scalable user/profile service?
Question --
I currently have a large monolithic Java application which I am working to break up into services components. One of the components I want to separate out is the service which handles ...
