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Tag Archives: apache
Welcome to Apache™ Hadoop™!
The Apache™ Hadoop™ project develops open-source software for reliable, scalable, distributed computing.
The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using a simple programming model. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. Rather than rely on hardware to deliver high-avaiability, the library itself is designed to detect and handle failures at the application layer, so delivering a highly-availabile service on top of a cluster of computers, each of which may be prone to failures.
Apache Vysper
Documentation – Apache Vysper.
Apache Vysper aims to be a full blown XMPP (=eXtensible Messaging and Presence Protocol) server.
The core of XMPP is defined in the standards RFC3920 and RFC3921.XMPP is more commonly known as ‘Jabber’.
Cherokee web server vs Apache httpd web server
Cherokee web server vs Apache httpd web server | Craig Strong.
Although I was impressed so far, the remaining challenge that Cherokee must live up to for me is it’s speed advantages. In the spirit of keeping things simple and to get a loose overview on performance advantages I thought I’d simply use ‘Zend Controller’ which is bundled with ‘Zend Server CE‘ to test how many requests per second both Apache and Cherokee could handle in turn upon my humble local virtual machine. From these tests I obtained the following results :
Apache Web Server Results
Apache requests per second on local VM
Cherokee Web Server Results
Moving from Apache to Cherokee Web Server
Cherokee includes a web admin interface for configuring the server. To get that running you need to start it up on your server and then use SSH tunnelling to view in a local browser. So on your server run the following to start the Cherokee Admin deamon:
cherokee-admin -b &Then on your local machine, setup the SSH tunnel as follows:
ssh-L 9090:localhost:9090 mysite.com -NNow, navigate to http://localhost:9090 and log in using the username and password shown in the output on your server console. You should be greeted with the Cherokee Admin home screen!
Create Your Own Web Server With BIND And Apache On CentOS 5 (Simplified)
Installing necessary packages
yum install bind bind-chroot bind-libs bind-utils caching-nameserver -y
After installing the necessary packages you are ready to start configuring named.conf. You may check and see that there is no named.conf in your /etc/ directory in Centos 5. No worries here you can see a sample named.conf file. Now create the file /etc/named.conf and copy/paste the content of the sample config file – just make sure you replace website.com with your own domain name.
Centos making things difficult again.
Set up a Web server cluster in 5 easy steps
This article illustrates the robust Apache Web server stack with 6 Apache server nodes (though 3 nodes is sufficient for following the steps outlined here) as well as 3 Linux Virtual Server (LVS) directors. We used 6 Apache server nodes to drive higher workload throughputs during testing and thereby simulate larger deployments