About
Amazon Redshift is based on PostgreSQL 1)
Redshift is also based on Paraccel (now called Actian Matrix)
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Spectrum
Amazon Redshift Spectrum enables you to run Amazon Redshift SQL queries against exabytes of data in Amazon S3.
Cluster
A single node cluster includes 200GB, with a max size of 2.56TB. Customers with fewer than 20 million monthly events should start with a single DC1 node cluster and add nodes as needed.
Documentation / Reference
- Manage Query Workloads with Query Monitoring Rules in Amazon Redshift - manage priorities and resource usage.