This email thread discusses the advantages (ease of management) and disadvantages (uneven performance, poor reliability) of running Postgres on Amazon’s Elastic Compute Cloud (EC2) using Elastic Block Stores (EBS). It includes the idea of using multiple EBS volumes in RAID10, and using multiple EC2 database clusters for redundancy. One quote is telling, “It’s possible to run a larger database on EC2, but it takes a lot of work, careful planning and a thick skin.” A similar thread from a year ago had a similar cost/benefit analysis.
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Postgres on Amazon’s EC2






