https://blogs.aws.amazon.com/bigdata/post/Tx31034QG0G3ED1/Top-10-Performance-Tuning-Techniques-for-Amazon-Redshift
http://docs.aws.amazon.com/redshift/latest/dg/c_Byte_dictionary_encoding.html
http://content.infotrustllc.com/interleaved-sorting-a-novel-solution-for-optimizing-multiple-query-patterns/
http://docs.aws.amazon.com/redshift/latest/dg/welcome.html
https://aws.amazon.com/redshift/pricing/
Sort key testing
Currently test on a table about 10millon rows, no significant difference, Need a larger data set to do the testing.
Previously, the table with sort key is not applied column compression, so this could be an potential reason why there is no significant improvement.
原文：http://www.cnblogs.com/davablog/p/6259693.html