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2
votes
2answers
408 views

How does Elastic Search approach the problem of distributed membership and consensus?

I already understand that Elastic Search is supposed to be deployed in a distributed topology, in that you can have multiple nodes for a cluster of ES instances. I like the API, and it looks ...
-1
votes
2answers
85 views

Determine Cluster Label in K-means

I have dataset that is contain 150 data that is actually divided into 3 group. Each group has it’s own label. I do clustering process with K-means algorithm to group the data. I need to assign the ...
2
votes
1answer
194 views

How to deal with runtime changes to tenant-location in a clustered, multitenant web application with app-managed datasources?

I have a Java web application that supports multi-tenancy to keep customer data separate. Connection pools to each customer database are created at runtime. The details of each customer shard ...
1
vote
1answer
69 views

Image segmentation - show or hide clusters

I'm trying to make a small program in c#, that will downsample image to specified amount of colors (using K-means). Then, user will be able to hide\show colored areas(clusters) in image. I've ...
3
votes
0answers
536 views

Clustering Strings on the basis of Common Substrings

I have around 10000+ strings and have to identify and group all the strings which looks similar(I base the similarity on the number of common words between any two give strings). The more number of ...
2
votes
0answers
260 views

Embedded Tomcat Cluster

Can someone please explain with an example how an Embedded Tomcat Cluster works. Would a load balancer be necessary? Since we're using embedded tomcat, how would two separate jar files (each a ...
0
votes
0answers
45 views

algorithm for group reassignment of points

I have a list of clustered points but they are not in the cluster which has the center closest to them. The objective is to reassign them to minimize the total distance of each point to its cluster ...
0
votes
0answers
32 views

handling external events in a cluster environment

I have an app written with JSF and Spring using JPA+Hibernate which is running on a Glassfish4 server. Right now I have an Observer pattern which is listening for some Postgresql events. Let`s say ...
0
votes
0answers
35 views

Session Management in distributable web-apps

I am working on a huge web application in which I need to add transparent failover feature. I understand the necessary steps to make a web application distributable, the most difficult thing being: to ...