Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [cluster]

A group of computers acting as one super-computer.

A group of computers acting as one super-computer.

93 questions
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How do I build a cluster?

There have been a few articles floating around online over the last few years about building a cluster of computers at home - here for example. The Pi strikes me as a good platform for building / testing this kind of thing due to their low cost;…
berry120
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Raspberry Pi for Machine Learning

I’m a software engineer interested (and doing research) in machine learning. For some of my machine learning models, I need more computational power than which offered by a single computer. Presently, I’m planning to buy few GPUs or build a small…
Upul Bandara
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Combine 2 Raspberry Pi 3

Can i somehow combine 2 Pi's so i have a better CPU speed? I'm new to this so a link to some tutorials (if possible) would be nice I know you can create a cluster for a database so you can scale it, but is this possible for the whole system? Thanks!
Sp3ct4cul4r
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largest raspberry pi cluster

To my knowledge the cluster built by GCHQs is the currently the largest one. Does anyone know of a larger cluster currently being created? I found a 300 Pi cluster being built by this group http://megarpi.inf.unibz.it/index.php/about-us
Jeffrey M
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Thermal Management in Raspberry Pi Clusters

I've been looking through several posts (on the internet) about building Raspberry Pi clusters- and my major question is something rather simple- what about the heat management? Would they overheat when operating as a cluster system (because each Pi…
user1945104
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Clustering the 3.3v and 5v rails

Is it possible or advisable to connect the 3.3v or 5v rails of each Pi in a Pi cluster to other Pi's respective rails, so as to minimize loads across any one particular Pi's voltage rail? If it is possible, then it should also help with heat…
Keith Reynolds
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What is main use cases to build a kubernetes on a Raspberry pi cluster?

I want to evaluate the benefits of having a Pi Kubernetes cluster. Mostly I read that this project is about learning Kubernetes and hosting personal websites. Well, I understand that the learning can be great but it seems to me when this argument is…
A.Dumas
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Duplicate output in MPIEXEC

I have installed MPI on my 3 node raspberry-pi 3B+ cluster and whenever I run any command I get 12 replies, 4 from each node, as an example, when I run mpirun -machinefile machine-file hostname I get the…
DesertPunk
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Proper use of a rpi cluster

I have done a lot of reading about rpi clusters. Don't worry I am not going to ask if they function as a single virtual computer. I understand that they can be used to divide up complex tasks or space out tasks in parallel programming. Basically…
Christopher
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Can the Raspberry Pi cluster be used with Unreal Engine 4 to split up tasks and make it faster?

I am planning on building a raspberry pi cluster with my computer so can it be used to run UE4 faster and more efficiently on my computer than without the raspberry pi cluster(4 raspberry pi’s)?
Master
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is it possible to set up a Raspberry pi cluster to act as a single pi with increased resources?

I have acquired some extra raspberry pi's and am looking to make use of them all in some way. As I have been reading around, all of the "turn your Pi into a supercomputer" articles are only referring to using software like MPI to split up tasks and…
DeveloperACE
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Raspberry Pi 3B Dual

Bought our first Raspberry Pi months ago installed Raspbian but when playing a video there was some stutter Then we had an idea buy a second Raspberry Pi and fuse the two together now the real question is wil that solve the video stutter but more…
MA18EN
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BitLocker Brute Force

I have a couple of hard drives from my old Windows PC setup which are encrypted with BitLocker. One is 160GB and the other is 320GB. Since switching to using a Mac, they have sat for the past 5 or more years gathering dust. Before I dispose of the…
Alexander Holsgrove
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Kubernetes Cert-Manager fails issuing certificate with DNS01 webhook

I want to learn about cluster computing and I so happens to have 3 x Raspberry Pi laying around. I also want to learn about Kubernetes, so an excellent way to do this is by installing K3S because it is a lightweight certified Kubernetes installation…
Lasse Michael Mølgaard
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Can you create kubernetes cluster with raspberry pi and a notebook

I am new to containers, docker and kubernetes but I see many videos where people create raspberry pi clusters and run servers (e.g. minecraft) on them. I would like to know if it is possible to create a cluster with for example a raspberry pi and a…
Michael Kročka
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