State of Data Last Week – Sep 05

<Cool Numbers> What do you like to eat? Look at your phone!

<Strategy> From MIT’s best-ever Data Management checklist. Every project should have this, or a similar one, validated at start!

<Analysis> “median Fortune 1000 company could increase its revenue by $2.01 billion a year just by marginally improving the usability of the data already at its disposal”
Start towards the first million by tracking these 6 metrics for your Web App. Everything is put in this excellent spreadsheet model for easy math! (Note: FreshBooks follows this model)

<Big Data> Pomegranate stores billions of tiny little files – no SPOF using ‘distributed extensible hash table’.

How CERN (LHC) manages 20PB of data in JBOD (Just Old Bunch of Disks) hooked up to Linux boxes

<Schema> How can you represent inheritance in a SQL server (RDBMS) database?

<Learning> While at that, check out the book – ‘SQL Antipatterns’. If you’d liked Martin Fowler, you’d love it as well. It’s just been out less than a couple of months!
The problems with ACID, and how to fix it without going noSQL – Daniel Abadi proposes lock avoidance to fix the problem (Actual Paper – PDF)

<Visualization> 500 years of science progress as a Subway Map. Now, Science has time-line thanks to Data.

<Cocktail party cheat-sheet> Heavy drinkers outlive abstainers! “even after adjusting for all covariates, abstainers and heavy drinkers continued to show increased mortality risks of 51 and 45%, respectively, compared to moderate drinkers.”

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About Nilendu Misra
I love to learn, create and coach. Things that I do well are - Communicating ideas - verbally or through words and diagrams; Problem Solving - Logical or Abstract; Very Large Scale Systems; think about 'Frighteningly Simple' approach first. Things that I intend to do better are - Establishing Stringent Process; Exchanging Tough Feedback; Keeping up with my reading or To-Do list to be able to completely relax.

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