The Amazon Redshift has been presented by Amazon AWS as a fast, fully managed, petabyte-scale data warehouse service that enables to analyze large scale data using your existing business intelligence tools. It is optimized for datasets ranging from a few hundred gigabytes to a petabyte with a tenth the cost of most traditional data warehousing solutions. It uses columnar storage, data compression, and zone maps to reduce the amount of IO needed to perform queries. Amazon Redshift has a massively parallel processing (MPP) architecture, parallelizing and distributing SQL operations to take advantage of all available resources. The underlying hardware is designed for high performance data processing, using local attached storage to maximize throughput between the Intel Xeon E5 processor and drives, and a 10GigE mesh network to maximize throughput between nodes. All data written to a node in your cluster is automatically replicated to other nodes within the cluster and all data is continuously backed up to Amazon S3. Amazon Redshift continuously monitors the health of the cluster and automatically re-replicates data from failed drives and replaces nodes as necessary.
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