PGCon 2012

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Moving Day: Migrating Big Data from A to B

In 2011 we moved the Mozilla crash reporting system from old creaky hardware in San Jose to a new shiny datacenter in Phoenix. This system contains more than 40TB of data in HBase, the Hadoop database, and PostgreSQL. The data collecting app has a requirement for close to 100% uptime. On top of that we have data processing, an API, and a webapp. After many months of work, the migration went seamlessly.

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