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Operability Book

@Operability

Team Guide to Software #Operability by @matthewpskelton, @smileandeliver, & @robtthatcher | published by @ConfluxBooks

 UK
operabilitybook.com/
Joined January 2013
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Learn about Software #Operability with this free sample chapter from the book Team Guide to Software Operability by @matthewpskelton @smileandeliver and @robtthatcher via @leanpub leanpub.com/SoftwareOperabil…
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Superb thread on likely problems with modern software systems 👇 #sre #operability
Mosquito Capital (@MosquitoCapital) profile pictureMosquito Capital@MosquitoCapital18 Nov 2022
I've seen a lot of people asking "why does everyone think Twitter is doomed?" As an SRE and sysadmin with 10+ years of industry experience, I wanted to write up a few scenarios that are real threats to the integrity of the bird site over the coming weeks.
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STEP 0: instrument the code and use telemetry (logs, metrics, traces) to how the code actually works in production.
Richard Spindler (@oracle2025) profile pictureRichard Spindler@oracle20254 Oct 2022
Sometimes you want to change the architecture of a submodule completely. 🧱 It is tempting just to rewrite a module from scratch. 🤷‍♂️ But with careful planning, you can perform any code transformation in small steps. 🧵 👇
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Sophie Weston (@soph_weston) profile picture
Sophie Weston@soph_weston30 Sep 2022
Reliable systems, good alerting and monitoring, and luck. 3 of the ingredients to making on-call not suck quite so much. Plus being paid for it, of course! @heyitsols on ‘Being Paid To Sleep’ at @DevOpsDaysLDN
Slide that says ‘On call sucks’

ALT Slide that says ‘On call sucks’

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A product or system designed without ongoing operational concerns will *appear* cheaper but likely end up costing significantly more in the long term compared to a system co-designed with the people who will actually operate it. 2/
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Lorin Hochstein (@norootcause) profile picture
Lorin Hochstein@norootcause3 Aug 2022
Incidents? Those are just failure modes leaving the system.
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Luca (@luca_cloud) profile picture
Luca
@luca_cloud28 May 2022
"Software operability still suffers because #Devs are no closer to actually running the software that they build, and the SREs still don't have time to engage with Devs to fix problems when they arise.”
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Infinite State Machine (@tPl0ch) profile picture
Infinite State Machine@tPl0ch24 May 2022
WARNING! You'll need PROPER observability. If you don't have proper introspection, the technical challenges will be almost impossible to overcome. In the mentioned example we were able to trace the annotated db queries through the complete code artifact. teapawt.net/tPl0ch/status/15289246…
Infinite State Machine (@tPl0ch) profile pictureInfinite State Machine@tPl0ch24 May 2022
Replying to @tPl0ch
Additionally we started to annotate all the database queries with the responsible team names in order to build a db table and column ownership map. Sometimes using an ORM gives you actual advantages, so we were able to pull this off without a huge performance overhead and effort.
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Can we build #observable services without logs? @glenathan, Senior Software Engineer @Geckoboard shares at #QConPlus a story of how it went: bit.ly/3w48gFw 💡Missed this talk? You can still register & have on-demand access to all the talks for 3 months. #Observability
Image from QCon Software Development Conferences (@QCon)
Image from QCon Software Development Conferences (@QCon)
Image from QCon Software Development Conferences (@QCon)
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Replying to @matthewpskelton @onejasonknight @bandanjot
That said, the what's more important than "project versus product" is that the funding and execution model for the software evolution keeps that software viable in the long term. Prefer sustainable pace and attention to operability rather then feature factory. 👍
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Replying to @PierreVincent @glenathan
This is so good to hear! 🙌 Weirdly, I was using (and wrote about) this kind of approach almost exactly 10 years ago: - Dynamics severity levels - Unique IDs - A focus on events #operability blog.matthewskelton.net/2012…
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Pierre Vincent (@PierreVincent) profile picture
Pierre Vincent@PierreVincent5 Apr 2022
"If we have proper visualisation and better metaphors, we set much better conditions for our operators to be comfortable in understanding and responding to variations in our systems." @yurynino #QConLondon
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Our latest version of the Multi-Team Software Delivery Assessment deck by @matthewpskelton @ConfluxHQ now on sale! Including the additional themes of #security, #teamtopologies, on-call and SRE & Reliability, this is our most comprehensive tool! agilestationery.com/products…
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Nice example of a useful, in-app scheduled maintenance message from @MiroHQ 👏 "Upcoming scheduled maintenance: Saturday, March 26, 2022 at 5:30 AM (your time). Miro will be unavailable for 1 hour." The "your time" bit is good #UX #operability #reliability
Image from Matthew Skelton (@matthewpskelton)
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Lorin Hochstein (@norootcause) profile picture
Lorin Hochstein@norootcause28 Feb 2022
The challenge: anticipating how change creates new failure modes
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Lorin Hochstein (@norootcause) profile picture
Lorin Hochstein@norootcause22 Feb 2022
Very happy to see the discussion around developer experience. Now how about operator experience?
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Charity Majors (@mipsytipsy) profile picture
Charity Majors
@mipsytipsy15 Jan 2022
LARGE SYSTEMS USUALLY OPERATE IN FAILURE MODE, via @dangolant Or like I used to say, your distributed system exists in a continuous state of partial degradation. There are bugs and flakes and failures all the way down, and hardly any of them ever matter. Until they do.
Image from Charity Majors (@mipsytipsy)
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Replying to @aleixmorgadas
We at @ConfluxHQ have been doing a lot of work around reliability over the past 2 or 3 years. See reliabilitymodel.com/ for some ideas about exploring and measuring reliability. 👍
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In 2021 and beyond, showing a generic "Oops. Something went wrong" 500 error page is not just user-hostile but exposes major flaws in the product engineering approach. ➡️ Design for the UX under error conditions. #operability #UX
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Leanpub (@leanpub) profile picture
Leanpub
@leanpub6 Dec 2021
Team Guides for Software leanpub.com/b/teamguidesfors… by Matthew Skelton, Rob Thatcher, Alex Moore, Chris Young, Mattia Battiston, Ash Winter, Rob Meaney, Manuel Pais and Chris O'Dell is the featured bundle on the Leanpub homepage! leanpub.com cc @matthewpskelton
Team Guides for Software

Team Guides for Software

The definitive collection of team-focused software practices: Software Operability, Metrics for Business Decisions, Software Testability, and Software Releasability

leanpub.com
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I'm lucky to work with lots of great people here @weareglofox but it's so cool see @clintonsweetnam 1. Design a system with #testability and #operability as a primary concern from the outset and then 2. Share how he and his team did it with the whole Engineering Department😍
Image from Sponge Bob Test Pants (@RobMeaney)
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