Apache 2.2 has been out in year 2008, and just recently, 2.2.13 was released, enhancements and bug fixes introduced. Happily, 2.0 users are migrating to 2.2 due to the excellent performance on static pages. Here, More exciting innovations found in 2.2 and perhaps peek at one or two of the more esoteric ones. These changes [...]
To test performance of your web application there are several free sites available. Here are few you can try WebPageTest.org: My personal favorite, and used by me. Gives multiple locations, waterfall view of requests and good optimization tips to improve web application performance. PingDom.com: Gives basic tests for free, I don’t like is personally because [...]
Magento provides a really handy options to scale well. The feature which i am going to talk about is very little know. Magento allows to add mysql slave server to put load of “read” queries on different server. The mysql server has to do a lot of things like adding and updating records at high [...]
For large manufacturing and marketing companies getting ranked higher in natural searches can prove very cost effective and beneficial. Due to huge number of large and small site competing for the same, can make this very difficult to achieve, attaining and maintaining significant positions on thousands of keywords is a tough ask. To maintain position [...]
A cache is a temporary collection of data where the original data is expensive to compute or read as compared to reading from the cache. In other words, a cache is a temporary storage area where frequently accessed data can be stored for rapid access. Cache give two great advantages Significantly reduces the number of [...]
Most of us are aware of the famous rel=nofollow, which tells not follow the link. Actually this tells to the relationship between your page and the link to search engine. There are many other relation ships which can be used to tell search engine more about different pages and relationship in between. I am listing [...]
Detecting Memory Leak in Java Simple reason is for memory leaks in Java is due to poor application designs where garbage collector is unable to remove object references as they are referenced by static variables. If you are getting java.lang.OutOfMemoryError that means either your Java heap does not have enough memory to create objects or [...]
Recently came across an article about Shoply, a new marketplace which aims to allow any one to sell any thing. It lets you register, add few products for free and than promote it. Charges some % on each transaction. Paid packages are also available which let you add up to 100 products. It offers a [...]
Data mining is all about data, i.e. extracting valuable information from the raw data. Data mining is the procedure of analyzing data from different dimensions and then summarizing it into useful information. Data mining or knowledge discovery is often used in large organization to get meaning full information from the huge raw data collected from [...]
Magento allows to configure multiple ways to search in catalog. For community edition these options are “Like”, “Fulltext” and “Combine”. Like is the default method selected, but this is not the best method and is more resource consuming. For better performance and results, “Fulltext” should be selected in this configuration. You can configure selection time [...]