Hovhannes Avoyan

This is the second of two articles about open source ecommerce software that we hope will help web developers and system administrators in selecting what is best for their needs. The first article Top 10 Open Source eCommerce Software (Joomla and Drupal) reviewed: HikaShop, SimpleCaddy, OpenCart, redSHOP and RokQuickCart. The following article details our own analysis of the last 5 vendors in our article series. 6.   VirtueMart – http://virtuemart.net/ Founded in 2005, the company VirtueMart has developed a free and open source shopping cart software as an extension for Joomla. Formerly known as mambo-phpShop, VirtueMart is a popular Joomla extension written in PHP, within a MySQL database environment. Pros Has an enormous amount of features and comes with a large number of options to choose from. Powerful extensions with great performance in the back-end. One o... (more)

Cassandra and Monitis

Cassandra is a robust and highly scalable NoSQL datastore that usually consists of multiple nodes spread out across multiple datacenters.  If you are the system administrator for a large Cassandra deployment then you might be curious as to how your cluster is doing.  In fact your job probably depends on it!  So how can you combine a great service like Monitis with Cassandra to make sure you cluster is buzzing along smoothly? We have done a little bit of the work for you and created an open source Monitis-Cassandra project that can help you monitor your Cassandra clusters in sty... (more)

Integrate NGINX Monitoring into Monitis.com

    NGINX is the new rising star among other web servers. In fact, NGINX is now the 2nd most widely used web server (22 million websites) in the world. NGINX fanboys will tell you no one can top their love of NGINX, because it succeeds in efforts to achieve high performance with small memory footprint. It makes NGINX suitable to deliver static content, to work as a reverse proxy, or even to run as a load balancer, all of the above in a fast and scalable way. Several well-known companies pick NGINX to power their sites, including WordPress and Github. Konwningly NGINX is lightw... (more)

M3 code refactor & DBI support

Pluggable M3 (Monitis Monitor Manager) Framework Who needs an introduction about M3? – Perhaps no one! After gaining some reputation with M3, providing extra-easy integration of any monitor into Monitis it was time to take it to the next level. Generally speaking, the work flow of M3 was described in detail in this article. After some thought and design, we’ve decided it’d be best if M3 was pluggable. Pluggable in terms of being able to easily add execution and parsing plugins. The interface and behavior of M3 stayed exactly the same, however now it is much easier to obtain data f... (more)

Using Tomcat With a Database – Performance Optimization Tips

The Internet is a great resource, but it is sometimes too much to wade through hundreds of web pages looking for tips about using Tomcat with a database. So we at Monitis have done it for you! Below are some of the more useful tips found in various places on the Internet. Tip #1 – Don’t Ignore Database Performance Webapps typically use databases. So, you have to tune the webapp along with the database if you want optimal performance. Take our advice. Performance test the database and define an appropriate database connection pool (maxActive, maxIdle, and maxWait in the Resource e... (more)