Hari Chakkattumukkil

instagram-engineering:

As we’ve scaled Instagram to an ever-growing number of active users, Postgres has continued to be our solid foundation and the canonical data storage for most of the data created by our users. While less than a year ago, we blogged about how we “stored a lot of data” at Instagram at 90 likes per…

johanoskarsson:

For various reasons, including performance and cost, Twitter has poured significant engineering effort into breaking down the site backend into smaller JVM based services. As a nice side effect we’ve been able to open source several of the libraries and other useful tools that came out of this…

raheelkhursheed:

Yes they do. And here’s how.

(A collection of my tweets on how online petitions work!)

1) When u guys sign a petition, that is just the 1st step of ur engagement. Every time someone signs, an email goes to the decision maker. 1/n

2) Depending on decision makers response to the petition,…