Questions tagged [clustering]

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online - offline stream clustering algorithms implementation in Python

I am looking for working implementations of this kind of algorithms in python. I have implemented DyClee, so I need similar algorithms to compare them. I have taken a look at CluStream (uses k ...
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Distributed data storage recommendations in mixed operating system environment for Python applications (Hadoop vs Databricks vs others)

I'm working on a big data project and have several old on-prem servers running a mix of operating systems (Ubuntu, CentOS, Windows 2012, Windows 10). One of the big reasons I would like a distributed ...
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What library to use to scale a Java Play Application into a cluster, keeping the Akka Scheduler operations in sync?

I want to scale out my Java Application built using the Play Framework to multiple servers via replication. The only issue I am facing is that there are certain operations scheduled to run every day ...
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1answer
35 views

Is there a way to separate the rows of table in multiples machines (PostgreSQL)?

I have a application (Postgres) where there are a lot of rows (over millions) and I have to make a lot of INSERTs and SELECTs at the same time. And I'm thinking to make a cluster of machines. I tried ...
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Test data generation tool for outlier detection

I am building a machine learning model for outlier detection. Currently, I do not have a dataset with labeled outliers but I know the patterns of outliers and I have a normal dataset. I need a tool ...
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Gene Clustering Package for Python?

I want to run a clustering algorithm using Python. I want to use Tight Clustering (but could use a different algorithm), as in this paper. I found this package for R, but I'm looking for a Python ...
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Analyse massive volume of websites quickly. Cluster Computing? Cloud?

I have a rather large list of domain names, and a rather large set of checks and audits that I have developed to review them all. I intend to attempt to train a machine learning model to make ...
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Is there a clustering algorithm that starts with k pre-defined cluster centroids and evolves the number?

I am looking for a clustering algorithm that can be initialized with k centroids (like K-means), but automatically changes the number of clusters k for a more optimal solution. My search didn't find ...
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service management technologies

I'm looking for some platform that will manage a clustering of java application, start and stop them according to the load and manage the configuration - like Kubernetes.. open source / free licensed ...
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What would be an algorithm to insert something into a cluster based on small information about the item and the items within the cluster?

For an app that I am creating, there will be many clusters of people. Each person will have many small pieces of information such as where they work and some other stuff. Based on this information I ...
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Java load balancer

I need to know a library to balance the load of threads in java. Specificly, I want a weight-based balancer. Is there any library? In case not, is there any possibility to do this with rest calls in ...
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Lightweight Python framework for I/O intensive, multicore, multimachine pipeline that utilises all the resources via spooling/scheduling/scaling

I have a pipeline of independent Python programs. They load their models on start (expensive operation, and not threadsafe) then wait for input. The input can be splitted into chunks which the program ...
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Spectral Embedding in Scala or Java

I'm looking for an alternative to sklearn.manifold.SpectralEmbedding (python sklearn library) in Scala or Java. Is there anything like that?
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Postgres failure recovery automatic backup

I am developing an application using Postgresql, where database availability is critical. Can someone suggest some open source/paid solution which can handle below Automatic backups, such that I can ...
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7 views

Software application for search and reinforcement learning of problem/solution pairs

I am working on a graduation project involving generating QA-pairs from customer support incident ticket texts (over 200.000 tickets). I have built a working clustering systems that clusters ...
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Severalnines Clustercontrol Alternative software?

I have been dealing with ClusterControl software to provision MySQL cluster and monitor and scale from last few weeks. But they are not really responsive I tried to reach them to get a quote but they ...
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38 views

Setup a Fedora-based Kubernetes cluster knowing I'll need VMs

I'm new to Kubernetes, and trying to figure out the best way to handle VMs in my particular (homelab) setup. Specifically, I need a software to handle the integration between Kubernetes and the VM ...
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How can i run my service on a clustered environment?

How can i run my service on a clustered environment ? Any products out there to help me out. This product should take care of managing the cluster, cluster failover, rebalancing in case of node ...
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2answers
230 views

Open Source Java Solution to distribute jobs and start multiple JVM workers

Goal I am looking for an Open Source Java Solution that can be used in a small (2-4) cluster of linux machines. You can think on this like a farm of processing worker servers that are just listening ...
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30 views

Lightweight parallel job scheduling engine

I'm looking for a simple, lightweight parallel job scheduling engine, for the following workflow (in this example, from a shell): $ createpool -n 2 # create a worker pool with 2 workers $ ...
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Database recommendation for distributed email archive with attachments

I'm looking for a database engine that will be used as e-mail storage solution Each record will represent email with all typical fields: sender recipient cc/bcc subject body text only version of ...
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59 views

Analyze files and documents contents and suggest folder structure and clustering

I need a Windows software that: analyzes my files (docs, spreadsheets, images, PDF, presentations, etc.) and their contents suggests a folder structure and clustering for managing and storing files ...
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How can I best implement a cluster for my .NET 4.5 Console Application (or Windows Service)

My application most closely resembles that of a market trading application. It is a .NET 4.5 Console Application written in C# (could be converted to a Windows Service), using Entity Framework 6, and ...
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Alternatives to jGroups? Zookeeper?

Currently I am working on a distributed application which uses jGroups to ensure failover, high availability and performance. -> Trigger existing nodes when a new node joins -> Trigger other ...
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1answer
52 views

Appropriate Clustering software

I am writing my master's thesis on Music Information Retrieval and Visualisation of music collections. In order to visualise a collection of music tracks, I am looking for an appropriate (and ...
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Is there software to group similar parts of a text file while keeping the original location associated?

This probably doesn't exist, but maybe? When dealing with a corpus of text, sometimes it is useful to organize its parts manually or automatically by topics. These could then be visually grouped ...
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1answer
325 views

Java webservice client handling failover/cluster of webservice server

I am looking for a Java library that could help me invoke a webservice method and that can handle multiple webservers in case some of them are not responding. The idea is to enable failover when a ...
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52 views

Game demo that leverages cluster computing in an easily understandable way

I am looking for a game demo that leverages cluster computing in an easily understandable way. At the demo, highschool students looking at the screens of the computers in the cluster would think: ...