SRE Weekly Issue #35

Whoops, here’s one that got lost in my review queue. Charity Majors (one of the usual suspects here at SRE Weekly) wrote one of her characteristically detailed and experience-filled posts on how to isolate your production, staging, and development environments in AWS.

I can’t quite tell how much of this is John Allspaw’s writing and how much is written by the US Forestry Service, but I love it all. Here’s a bulleted list of points driving home the fact that we constantly strike a balance between risk and safety.

Server Density added multi-datacenter redundancy to their infrastructure in 2013, and they were kind enough to document what they learned. In this first of two articles, they outline different kinds of multi-datacenter setups and go over the kinds of things you’ll have to think about as you retrofit your application.

This short opinion piece raises an excellent idea: SLAs aren’t for recouping the cost you incurred due to an outage, they are for making a point to a service provider about the outage.

Southwest has released some numbers on the impact of last month’s outage that resulted in thousands of cancelled flights.

Netflix gives us a rundown of how they prepare a title for release by pre-filling caches in their in-house CDN. I like the part about timing pre-filling during off-peak hours to avoid impacting the service.

How much is your company willing to invest for a truly effective DR solution? This article asks that question and along the way digs into what an effective DR solution looks like and why it costs so much.