Big SQL Analytics – Cloudera Using Impala | StatSlice Business Intelligence and Analytics | Business Intelligence and Analytics Dallas | Business Intelligence Training Dallas
This is an overview of the webinar on Cloudera using Impala presented by Brett Neuman on October 22, 2013. For more information on this webinar, click here to view the video or continue reading to below. Overview In this webinar, Brett gives you an overview of Cloudera’s Impala platform and how you can use it in your business. He will present a customer case study and compares query results from I
AWS Redshift: How Amazon Changed The Game –
Standard data warehouse table setup. About a dozen numeric columns per table. The largest table (impressions) is 100x larger than the next biggest table (clicks), and 5000x larger than the smallest table (conversions). All tables sorted by date and by user id (SORTKEY), distributed by user id (DISTKEY). Two types of queries. (pardon the pseudo-SQL, see Appendix for full queries) SELECT keys, aggre
Redshift Performance & Cost
By Henry Cai At Airbnb, we look into all possible ways to improve our product and user experience. Often times this involves lots of analytics behind the scene. Our data pipeline thus far has consisted of Hadoop, MySQL, R and Stata. We’ve used a wide variety of libraries for interfacing with our Hadoop cluster such as Hive, Pig, Cascading and Cascalog. However, we found that analysts aren’t as pro
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