because writing is clarifying

because writing is clarifying

Subbu Allamaraju’s Journal

11 Feb 2018

DevOps and Governance

Regulation and threat aware DevSecOps culture is where DevOps was 5–10 years ago. Auditors, controls, regulations and compliance are not…
12 Nov 2017

Serverless: Looking Back to See Forward

Last week, I attended an all-day CIO forum on cloud in Seattle, organized by one of Seattle’s top venture fund groups. Several notable…
29 Sep 2017

Technology Decision Making and Architecture Reviews

In this note, I would like to implore you to not use architecture reviews as a means to improve quality of technology decisions. Instead, I…
18 Sep 2017

Accept | Tentative ✓ | Decline

I’m done with the excuse of not being in charge of my time. Over the last two months, I started taking a few steps to deliberately simplify…
31 Jul 2017

Paying it Forward

I recently had an opportunity to volunteer for an Indonesian company called Vasham through the RippleWorks Foundation. Over a period of…
27 Jul 2017

DevOps, Postmortems and Cloud Spend

As I wrote previously here, here, and most recently here, I’m a strong advocate and practitioner of “cost awareness as part of DevOps…
21 Jun 2017

DevOps is not DevOps

I learned DevOps the hard way about five years ago when I inherited some infrastructure and software that had zero automation and…
20 May 2017

How do We Manage Cloud Spend at Expedia

Since writing State of AWS Compute Pricing, several people asked me how we manage the cloud spend at Expedia. My colleague Abiade Adedoyin…
13 Apr 2017

There is No Pendulum

As public cloud spend goes up, will the pendulum swing back to enterprise data centers? Sorry, but there is no pendulum to swing back.
12 Mar 2017

How to Think About Multi-Cloud

Public clouds are no longer equivalent. These are platforms with some overlapping basic capabilities and yet different in many respects…
25 Feb 2017

State of AWS Compute Pricing

As flexible as it is, compute in AWS is optimized for the old capex world. It is a world where demands are predictable, consumption can be…
17 Feb 2017

Fault Domains and the Vegas Rule

(Cross posted at
27 Dec 2016

Taking the Time

Linear thinking is effortless and easy. All it takes is processing events as they occur as a sequence of actions and reactions with no…
12 Dec 2016

Cloud Lock-in and Change Agility

We are entering into a future of lock-in. Public clouds are no longer someone else’s computers or hosted services. These are fast becoming…
24 Nov 2016

Don’t Build Private Clouds

I’ve been noodling on this post for over a year. I discussed, debated and explained parts of what I write below with several folks during…
07 Aug 2016

On Influencing

“You need to be visible and influence more to grow in your career” was the gist of feedback that I had received and ignored a few times during my career as an individual contributor. I didn’t find such feedback useful the first few times, as I didn’t really understand what it means to influence, why it matters, or how to influence.
21 Feb 2016

Turning Containers into Cattle

Below are slides from my talk at Container World on Feb 17 2016 at the Santa Clara Convention Center.
10 Nov 2015

It’s the Manageability Stupid

We’re living in interesting times. Till 4–5 years ago, infrastructure used to be locked by review boards and tickets. Open source has been slowly changing this world. Take OpenStack, Docker, Mesos, Kubernetes, you name it. ...
16 Aug 2015

Lessons from the Cloud Bunker

It’s been just over three years since I started working on building a fairly large cloud infrastructure at eBay. Our initial focus was to make infrastructure programmable and to enable agility through self-service APIs with some checks and balances for efficiency, security and availability. ...
01 Jun 2015

OpenStack Summit Keynote Video and Slides

At eBay and PayPal, we been a power user of OpenStack to provide infrastructure building blocks via OpenStack services. I had the opportunity to share details of our OpenStack journey during a keynote at the OpenStack Summit in Vancouver on May 19, 2015. Here is the video and the slides.