Compress Disk Image

Sharing photos is one of the most popular features of Http://www.aliyun.com/zixun/aggregation/1560.html's >facebook. So far, users have uploaded more than 1.5 billion photos, making Facebook the largest photo-sharing site. For each uploaded photo, Facebook generates and stores four images of different sizes, converting to a total of 6 billion photos with a total capacity of over 1.5PB. Currently 2.2 million new photos per week ...

1 compression in general, the computer processing of data exist some redundancy, at the same time, the data, especially the correlation between adjacent data, so you can through some different from the original encoding of the special encoding method to save data, so that the data occupy a small amount of storage space, this process is generally called compression. The concept of compression corresponds to decompression, the process of restoring compressed data from a special encoding to the original data. Compression is widely used in mass data processing, compression of data files, can effectively reduce the space required to store files, and speed up data on the network or to ...

In the Zhangchuncheng, located in the Zhongguancun pioneering building, the new mobile phone. On the screen of the mobile phone, pedestrians on the road come and come, and the poplar swaying in the wind. "This is a real-time view of the HD camera at our company's doorstep and can be viewed on the phone anytime." Zhang is the founder of Beijing Qian Long Teda Technology Development Co., Ltd. 　　What he said is installed on the High-definition camera decoder, using the company's first in China to develop and research and development of successful lossless ultra-low compression image, video technology. Just over the past one months, with this decoder and the image compression technology behind it ...

June 5 News, the theme of "large data bandwidth to promote cloud computing applications and innovation," The First China cloud computing Conference at the Beijing National Conference Center held today, NetEase technology as the General Assembly cooperation portal in the live report. The following is the National Natural Science Foundation, Deputy director of the Chinese Academy of Engineering, Gawain, to do the theme of "Large Data technology trends and application prospects" speech. Gawain: Ladies and gentlemen, just now the host said that everyone had just finished eating, so I hope the following report can help you digest, at least not hinder everyone to digest. I report this topic is called "Multimedia big ...

In a 10-storey office in the east of Beijing's eastern third ring, a few 100 square meters of offices, a few more than 20-year-old boys sit in front of their computers, playing the famous game of World of Warcraft. It's not a matter of working hours, it's their job to debug the stability and latency of their newly developed cloud gaming platforms on a few configured computers. Dundee, the founder and CEO of the new company, Beijing Yun Lian Technology Co., Ltd., a few years ago, led the team to develop a ...

June 5 News, the theme of "large data bandwidth to promote cloud computing applications and innovation," The First China cloud computing Conference at the Beijing National Conference Center held today, NetEase technology as the General Assembly cooperation portal in the live report. The following is the National Natural Science Foundation, Deputy director of the Chinese Academy of Engineering, Gawain, to do the theme of "Large Data technology trends and application prospects" speech. Gawain: Ladies and gentlemen, just now the host said that everyone had just finished eating, so I hope the following report can help you digest, at least not hinder everyone to digest. I report this topic is called "Multimedia big ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall still has one hours to 2012, that can also have a bit of time to write a bit of spit things, hehe ... December 2011 is definitely my work since the maximum pressure of one months, has been busy to sleep less time, part-time reading less time, the body began to alarm, shoulder responsibility pressure I really breathless ... 　　As an ordinary north drift, in Beijing similar to me such a sea of humanity, especially in our industry. I love life very much, every minute is precious;

How do you improve if your mobile application can only run well in one region, such as us? On @scale Conference, Facebook has talked about the issue many times. So how to design a more suitable application for user needs, here we look to Facebook project manager Chris Marra's developing Android Apps for emerging harsh speech video review. Video please visit the link above (YouTube ...)

Flume-based Log collection system (i) architecture and Design Issues Guide: 1. Flume-ng and scribe contrast, flume-ng advantage in where? 2. What questions should be considered in architecture design? 3.Agent crash how to solve? Does 4.Collector crash affect? What are the 5.flume-ng reliability (reliability) measures? The log collection system in the United States is responsible for the collection of all business logs from the United States Regiment and to the Hadoop platform respectively ...

Fraps is a graphics aids software, it can easily understand the machine in the game when the number of frames to understand the performance of the machine! In addition it also has in the game the screenshot and the video capture function, may conveniently carry on the screenshot and the animation capture. It recorded the video is lossless compression of the AVI format, high quality, and do not lose frames, the disadvantage is that the recording of large files, so if you want to reduce the file, you can use http://www.aliyun.com/zixun/aggregation/18232.html "> See ...