• World Backup Day: A Yearly Reminder to be Prepared for Data Loss

  World Backup Day, held on March 31 each year, is an annual reminder for businesses and individuals to make regular backups of their data and files. Read More

• How WhatsApp Grew to Nearly 500 Million Users, 11,000 cores, and 70 Million Messages a Second

  When we last visited WhatsApp they'd just been acquired by Facebook for $19 billion. We learned about their early architecture, which centered around a maniacal focus on optimizing Erlang into handling 2 million connections a server, working on All The Phones, and making users happy through…

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• MySQL replication, error 1159, and why you might want to upgrade

  At Yelp, we use MySQL replication to provide the performance we need to serve our 120 million monthly unique visitors. In this post Josh Snyder walks us through some of the internals of MySQL's replication system, and discusses an issue that we saw in production. MySQL replication and the slave…

• New Training Course - Big Data on AWS

  We have added a new Big Data course to the AWS Training program. The three day, instructor-led course is designed to teach you how to use Amazon DynamoDB, Amazon Redshift, Amazon Elastic MapReduce and important Hadoop tools such as Pig...