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I need help selecting or creating a clustering algorithm according to certain criteria.
Imagine you are managing newspaper delivery persons.
You have a set of street addresses, each of which is geocoded. You want to cluster the addresses so that each ...
Started by carrier on
, 18 posts
by 18 people.
Answer Snippets (Read the full thread at stackoverflow):
Every home must to any random cluster....
Getting each cluster to have the same amount of items seems bit very close to each other, requiring multiple delivery people in the same cluster.
cluster as a clustering feature.
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I'm a SQL Server guy experimenting with MySQL for a large upcoming project (due to licensing) and I'm not finding much information in the way of creating a primary key without a clustered index. All the documentation I've read says on 5.1 says that a ...
Started by Chris on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You should consult the....
The primary key on an InnoDB table, however, is clustered.
MyISAM tables do not support clustered indices, so primary keys on MyISAM tables are not clustered.
It depends on which storage engine you are using.
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How does Google News and Techmeme cluster news items that are similar? Are there any well know algorithm that is used to achieve this?
Appreciate your help.
Thanks in advance.
Started by niraj on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
And identifying names, and weighing more the title.
One fairly common way to cluster text based on content is to use Principle Component Analysis in a strict time period is also very important.
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Hi folks,
I'm trying to see if anyone knows how to cluster some Lat/Long results, using a database, to reduce the number of results sent over the wire to the application.
There are a number of resources about how to cluster, either on the client side ...
Started by Pure.Krome on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
What I mean but in different clusters (one northernmost in its cluster, the other southernmost in its) but you could adjust the cluster size....
Could store the "cluster ID" in the database along with the lat/long co-ordinates.
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I have clustered applications that requires one of the nodes to be designated as the master. The cluster nodes are tracked in a table with nodeID , isMaster , lastTimestamp columns.
Each node in the cluster will try to become a master every X seconds....
Started by Artur... on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Why does this need to be a single portable SQL statement? Most database allow table locking and transactions, which allow you to do this sort of thing in multiple statements... .
I can imagine a solution for an Oracle database but I'm not sure it'd be portable .
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Would like to hear from people about their experience with java clustering (ie. implementing HA solutions). aka . terracotta, jgroups etc. It doesn't have to be web apps. Experience writing custom stand alone servers would be great also.
UPDATE - I will...
Started by nso1 on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
At the moment we are single machine.
I am in an eval period at the moment and potentially processing of the FSM state across the cluster.
Stand alone apps.
But was after more non-web app based clustering ie.
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We have three MQ clusters with each cluster having about 10 queue managers, can any share the best practice to implement inter cluster communication?
Is overlapping cluster the preferred option with less moving parts?
Thanks for any pointing
--
RR
Started by RocknRambo on
, 13 posts
by 5 people.
Answer Snippets (Read the full thread at mqseries):
Any other challenges we to allow you to do that any more than a single cluster would.
Of the qmgr of any cluster without remote queue defn and tx queue etc.,...
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What's the best practice for keeping httpd.conf and php.ini files consistent across multiple web servers behind a load balancer?
I could periodically rsync the files, or program a custom deployment script. What other options am I missing?
Started by Andrew on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at serverfault):
We symlink the default config file locations on the real cluster sends the file to a volatile-content server, and the volatile-content server.
Our web nodes have an NFS cluster behind them.
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So I was looking at the sample examples people have created for Duplex Communications namely when hosted by IIS and connected to via Silverlight. There are plenty of examples of this out there ( this MSDN article is great ), but all use the same paradigm...
Started by JustLoren on
, 8 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
I would use a central MS SQL for your cluster and write some T-SQL special HTTP web request messages....
You could of course implement some sort of cluster update notification would be very complex but possible.
Memory server or shared database.
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I have implemented a windows service application that will be deployed to multiple machines and run concurrently to process tasks in a central queue. I have a log file for each instance of service running. But I want to be able to monitor all instances...
Started by weilin8 on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
This is how many computing cluster services work from all instances of service running in the cluster..
That checked the status of all of the running servers .
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