clustering

Hi there, We've got a bit of a problem with our elasticsearch environment on AWS in the US-West-1 region. As far as we can tell, what's happening is…

I was trying to run the mahout clustering example from the quickstart at: https://cwiki.apache.org/MAHOUT/clustering-of-synthetic-control-data.html…

I have a JEE ear application deployed on 2 clusters with 2 instances each on Glassfish v3.1. These are load balanced by an Apache server running on…

We are currently evaluating failover support in different databases. We were earlier using HSQLDB but it seems that it does not have…

Hi everybody, First of all i have to say i'm very very newbie as sysadmin. I'm trying to do someone else's work, and i have almost 0 experience in…

What are the problems, if any, of storing binary data in Riak? Does it effect the maintainability and performance of the clustering? What would the…

First, a few specifics on what I'm working with and my tentative plan. Hardware: 15 machines; each with 2x 3.0 GHz "Nocona" (mid-2004) Xeon, 4 GB…

Hello, I am a Junior System Administrator with one of the Engineering Schools. One of the Professors got a donation of 45 servers (Dell Poweredge…

I am running mod_jk on Apache 2.2.17 , load balancing to a cluster of 2 JBoss instances. Everything is working ok but I am completely unable to get…

hello, i am developing an application that will use three tables. 1 - 1 million rows of products. 2 - 500 million rows of users. 3 - 10 billion rows…

I am having problems with clustering a table where the key consists of one char(23) field and two TimeStamp fields. The char(23) field contains…

Hi, I ran a clustering test on crawled pages (more than 25K docs ; personal data set). I've done a clusterdump : $MAHOUT_HOME/bin/mahout clusterdump…

Hello All, I config clustering for two tomcat using apache at front and mod_jk as connector. I tried a test application to check the configuration…

Hi, using mysql workbench whether possible to take cluster database backup ?

I currently have a very basic cluster composed of two Tomcat 6.0.32 instances ( Tomcat1 and Tomcat2 ) running on the same VPS. I'm using…

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…

Hi, I have some doubts on the performance of clustering and session management in load balanced environment. Here are my questions: What are the…

Hi, I have some doubts on the performance of clustering and session management in load balanced environment. Here are my questions: What are the…

I have a list of URLs, each associated with a set of numbers. For example: http://example.com/ - 0 http://example.com/login/ - 1…

The need has arisen for a clustered server setup (is that what it's called?) in my company. We have our hosting rented abroad, and as such have…