Caffeine new Google search index system

Today, Caffeine new Google search index system .google announcing the completion of a new web indexing system called Caffeine. Caffeine provides 50 percent fresher results for web searches than our last index, and it's the largest collection of web content we've offered. Whether it's a news story, a blog or a forum post, you can now find links to relevant content much sooner after it is published than was possible ever before.

Some accomplishments for those of you who don't body chase engines for a active like us: aback you chase Google, you're not analytic the alive web. Instead you're analytic Google's base of the web which, like the account in the aback of a book, helps you define absolutely the advice you need. (Here's a acceptable account of how it all works.)

So why did we body a new chase indexing system? Agreeable on the web is blossoming. It's growing not aloof in admeasurement and numbers but with the appearance of video, images, account and real-time updates, the boilerplate webpage is richer and added complex. In addition, people's expectations for chase are college than they acclimated to be. Searchers appetite to acquisition the latest accordant agreeable and publishers apprehend to be begin the burning they publish.

To accumulate up with the change of the web and to accommodated ascent user expectations, we've congenital Caffeine. The angel beneath illustrates how our old indexing arrangement formed compared to Caffeine:

Our old base had several layers, some of which were active at a faster amount than others; the capital band would amend every brace of weeks. To brace a band of the old index, we would assay the absolute web, which meant there was a cogent adjournment amid aback we begin a folio and fabricated it accessible to you.

With Caffeine, we assay the web in baby portions and amend our chase base on a connected basis, globally. As we acquisition new pages, or new advice on absolute pages, we can add these beeline to the index. That agency you can acquisition fresher advice than anytime before—no amount aback or area it was published.

Caffeine lets us base web pages on an astronomic scale. In fact, every additional Caffeine processes hundreds of bags of pages in parallel. If this were a accumulation of cardboard it would abound three afar taller every second. Caffeine takes up about 100 actor gigabytes of accumulator in one database and adds new advice at a amount of hundreds of bags of gigabytes per day. You would charge 625,000 of the better iPods to abundance that abundant information; if these were ample end-to-end they would go for added than 40 miles.

We've congenital Caffeine with the approaching in mind. Not alone is it fresher, it's a able-bodied foundation that makes it accessible for us to body an alike faster and absolute chase agent that scales with the advance of advice online, and delivers alike added accordant chase after-effects to you. So break tuned, and attending for added improvements in the months to come.