Google has announced the launch of Caffeine. Caffeine is the new web indexing system introduced for better and faster indexing of new stuff on the web. It had been introduced for user testing and reviews a few months back. Google claims it to be 50 percent faster than its older indexing system. It would provide the latest and relevant content efficiently very soon after the content has been published to the web.
How Google Works?
When a user makes a search using Google, he/she does not search the live web. Instead, the keywords are being looked by Google in its database. In its simplest form it’s like the Glossary at the end of a book which helps you pinpoint the exact topic. To know more about how Google works, checkout this “must watch” video: http://www.google.com/howgoogleworks/
Reasons behind building Caffeine:
Google strongly believes the fact that the content on the web is growing at a very fast rate. The web has not remained restricted only to text. But also, multimedia content like videos, music, images is increasing on the web. A basic web page has become a content rich web page. Also, the expectations of users keep increasing. A user wants to be updated with the latest information available on the web. To meet up with all the above requirements and many others Google has introduced Caffeine.
How is Caffeine different?
The traditional indexing system which was used by Google has different layers as shown in the image below. The major drawback of this system was that some of the layers were refreshed at a faster rate whereas others at a slower rate. The main layer was indexed every couple of weeks while to refresh other layers it took a significant delay between a web page was published and it was indexed.
But with Caffeine these issues have been resolved. Caffeine analyses web in small portions and updates the search index on a regular basis. As a new page is found, or new information on an existing page is found it is directly added to the index.
Cool facts about Caffeine:
- Caffeine processes thousands of pages in parallel every second and if this were a pile of paper it would grow three miles taller every second.
- Caffeine takes up nearly 100 million gigabytes of storage in one database and adds new information at a rate of hundreds of thousands of gigabytes per day.
- One would need 625,000 of the largest iPods to store that much information; if these were stacked end-to-end they would go for more than 40 miles.
- Undoubtedly, Caffeine is a robust foundation that would surely enhance the search results and provide a rich user experience.
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