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3
votes
0answers
213 views

architectural inspiration for distributed search cluster

I'm in a process of redesigning architecture for a custom search engine. I've got a pretty good idea how I'm going to do it, but I'd like to read up how other people, especially in top companies have ...
-2
votes
1answer
135 views

What is the difference, between a server and a mainframe? [closed]

To me, it seems as though "mainframe" is a somewhat dated term; is it simply an older synonym of "server," or does it server a purpose more similar to a cluster/supercomputer?
0
votes
2answers
181 views

Relation of CPU Hz's and network speed in clusters

In cluster the Amdahl's law, Gustafson's law exists. I though that there might be some law which states the relation between CPU Hz's and network speed: maximum network speed after which no ...
1
vote
1answer
174 views

Custom .NET apps and clustering

So for a clustered environment - how would this work with your apps? what about your own custom .NET apps? Would there be a special way to develop them? I know that you can say create a simple Hello ...
0
votes
1answer
103 views

Clustering and custom applications

So lets say we have a clustered environment setup. We have a cluster SQL Server (I don't know exactly how its done but lets just say its been done for the sake of argument). Now if a website or ...
2
votes
1answer
138 views

How do I debug a cluster running Microsoft server 2003?

I'm sole developer of a complex critical software system, written in Visual C++ 2005. It's deployed on a classical Microsoft cluster scenario (active/passive), that has Windows Server 2003 R2. If a ...
13
votes
3answers
3k views

How to design highly scalable web services in Java?

I am creating some Web Services that would have 2000 concurrent users. The services are offered for free and are hence expected to get a large user base. In the future it may be required to scale up ...
3
votes
1answer
181 views

Grouping numbers to minimize group-means

I need to find a way or an algorithm that groups members of a given data set (of positive integers) so that the difference between group means is minimized (not maximized, as usual). There are two ...
5
votes
3answers
2k views

Efficient graph clustering algorithm

I'm looking for an efficient algorithm to find clusters on a large graph (It has approximately 5000 vertices and 10000 edges). So far I am using the Girvan–Newman algorithm implemented in the JUNG ...
4
votes
2answers
335 views

How to implement a lightweight clustered architecture for a distributed application

I currently have a distributed application that runs on multiple embedded PCs. The whole application is composed of one master server and several nodes. Each node is an embedded PC that runs Windows 7 ...
1
vote
2answers
560 views

Mahout's Flexibility for generating recommendations

I am currently working on a system that will generate product recommendations like those on Amazon: "People who bought this also bought this.." This is how I plan to do it: Process the data using ...
1
vote
1answer
124 views

Apply for supercomputing time

For testing and running some very intensive C++ number crunching applications, we need to apply for supercomputing time. I would like to get feedback and opinions from you; which calls do you follow, ...
0
votes
1answer
330 views

Transactional database and Datawarehouse on the same Postgresql cluster?

Is it conceptually feasible to have on a Postgresql Cluster a transactional database and at the same time a datawarehouse that would get feeded by the transactional database ?
2
votes
2answers
174 views

How does one make a cluster capable program?

In cluster computing, there seems to be two options: task redirection and task splitting. Task redirection seems easy enough, you just have the master dispatch the small calls to other nodes in the ...