<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>TY</author><text>Redshift is based on ParAccel, not on Postgres. ParAccel uses APIs similar to Postgres due to historical reasons, but not the technology.&lt;p&gt;For a basic overview: &lt;a href=&quot;http://en.wikipedia.org/wiki/Paraccel&quot; rel=&quot;nofollow&quot;&gt;http://en.wikipedia.org/wiki/Paraccel&lt;/a&gt;&lt;p&gt;As for the rest of the article, it feels like a basic Data Warehousing 101 re-discovered. It should have been titled &quot;Analytics: Back To The Future&quot; :-)</text><parent_chain></parent_chain></comment><story><title>Redshift Performance and Cost</title><url>http://nerds.airbnb.com/redshift-performance-cost</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>csarva</author><text>This is the second article I&apos;ve seen where the authors forget to multiply by the number of redshift nodes. A single XL node is $0.85/hr so 16 nodes would be $13.60/hr. Still cheaper than their Hive configuration obviously but less than a buck?</text><parent_chain></parent_chain></comment><story><title>Redshift Performance and Cost</title><url>http://nerds.airbnb.com/redshift-performance-cost</url></story>