The company is also collecting a whopping 25 terabytes of log data per day, which is supposedly "the equivalent of about 1, 000 times the volume of mail delivered daily by the U.S. Postal Service".
该公司每天还收集25万亿字节的日志文件，这是美国邮政服务每天发送的邮件的1000倍。
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What's more, she read some of them, from Proust to Dostoyevsky to Freud to Carl Sandburg's six-volume biography of Lincoln (given to her by husband Arthur Miller), collecting a library of 400 books.
Therefore, the correct methodology of traffic volume data collecting and processing can provide a reliable guaranty for analysis and model building later in quality.