CASE STUDY The world’s leading Q&A site ® The Challenge Answers.com (“Answers”) is the leading Q&A web-site. It is ranked among the top 20 web-sites in the U.S. and delivers millions of answers daily. Their data centers faced two challenges: 1. Keeping end-users’ query response time low. This challenge grew as data volume and site traffic increased. 2. Keeping replication performance high. Users are constantly updating data and slow replicati

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