iiinova — where your digital self keeps evolving

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 11/09/2025

Come join us Thursday, September 11th 8am PT/5p CEST and 9:30a/6:30p for the @grafana.bsky.social Pyroscope & #grafana Tempo Community calls! Pyroscope: Intro to profiling & flame graphs www.youtube.com/watch?v=U7E9... Tempo: Cost attribution & 2.9 release preview www.youtube.com/watch?v=fdmL...

030

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 17/07/2025

I had a great time working with @nancychauhan.bsky.social for our @devrelcon.bsky.social talk, The Art of Vulgarization: Making Complex Ideas Accessible. Thanks to the organizers, staff, & folks who came to our talk. Also Nancy is awesome and if you're hiring, please reach out to her! #DevRelCon

Photo of Nancy and me on stage with the audience behind us after the talk

0122

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 07/12/2024

Have you been wanting to take a #CNCF/#LinuxFoundation course/cert? Now is a good time to register since they are up to 60% off until December 11th for cyber week! training.linuxfoundation.org/cyber-monday...

0131

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 28/11/2024

I am also incredibly thankful to have been able to see so many beautiful places this year. Another big thanks to friends for joining me or letting me join adventures and/or to conferences for giving me more opportunities to see the world.

040

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 28/11/2024

Happy Thanksgiving!🍁 This year has been a very rough year, but I’m especially thankful for my family & friends for making it much better than it could have been. I am also thankful for the conf organizers/volunteers for the opportunities to connect, learn & teach others. What’re you thankful for?

Collage of me with a bunch of people through my conferences etc this year

1220

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 21/11/2024

Thanks!! Yeah I didn’t see any animals at all when in Park City. But wow with all that I’m surprised you didn’t see more. Definitely go to Antelope Lake sometime! There were bison everywhere. I imagine Moab/the parks were beautiful though!

000

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 21/11/2024

Today is my birthday so I wanted to share some pretty nature with everyone else; here are some photos I took at Antelope Lake in Utah after #KubeCon!

Snowy mountains with a lake and plants that look like wheat

A fluffy cute bison in tan wheat like grass looking straight at the camera

Two bison with mountains behind them, a lake, and tan grass

Slightly hazy mountains with some closer and brown and some further and blue with sand that goes to water

24721

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 20/11/2024

What is #Jackson? It’s a library - Open Source - #Java - #JSON What does Jackson do? First & foremost: Read JSON as Java Objects; write Java Objects as JSON. github.com/FasterXML/ja... www.cowtowncoder.com/blog/archive... @cowtowncoder.bsky.social at the #Seattle Java User Group (JUG)

Photo with Tatu and slide

1. Intro: What is Jackson?
Jackson is a ... Library
Open Source (Apache License)
Java (with JVM "friends")
JSON (tothers)
that is
• Modular (architecture, design, development, implementation)
• Feature-Rich (functionality you won't find anywhere else)
Highly Configurable & Extensible
Widely-Used ("everybody uses Jackson! Even if unknowingly")

1. Intro: What does Jackson do?
First & foremost: (raison d'etre - "mission statement?")
Read JSON as Java Objects; write Java Objects as JSON.
but also
• Framework integration
• JAX-RS (Jersey, RESTeasy, ...), Quarkus, Spring Boot
• Works with many popular libraries (via modules)
• Eclipse-collections, Guava, Hibernate, Joda ... Immutables, Lombok ...
• Data formats other than JSON (10+)
• from Avro to YAML
• Other JVM languages
• Kotlin & Scala modules; Clojure (cheshire, jsonista)

3. Current: Processing Model recap
Since 1.0: "Three Ways to Process JSON" (many libraries offer just one)
• 3 Processing Models
Streaming: read/write JSON as JsonToken streams - foundation
• Tree Model: read/write DOM-like (JsonNode) - JSON-centric
• Databind: read/write as Java Objects (POJOs, Records,JDK, 3rd party) - Java-centric
Model interaction:
• Tree Model, Databind are built on Streaming (read/write using parser/generator)
• Only streaming is format-specific (JSON vs XML vs CSV parser/generator)
• Seamless, efficient conversions between models, as necessary

1274

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 19/11/2024

Thought so! But like, Angels landing or something else? Haha yeah I wanted to go but needed to do it after the conf due to talk prep, then backed out with the snow. Antelope Lake was awesome though. Need to go someday though.

Snowy mountains with water and things that look like wheat

A bunch of mountains. Some with no snow. Some with snow. And a haze over it

100

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 15/11/2024

This was my: 1st conference and talk as a #CNCF Ambassador 🚀☸️ 1st #KubeCon/#CloudNativeCon as a speaker without @maeddes.bsky.social as my co-speaker (missed you!!) 1st conf talk with someone I met only 3 weeks prior (Tobias Angerstein is great!) @cncf.bsky.social #kubernetes #k8s #docker #otel

Photo of me with a cncf ambassador jacket, Kubernetes earrings and a KubeCon cloud nativecon neon sign

81294

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 15/11/2024

It was great to see so many awesome people at #KubeCon/#CloudNativeCon! @farrah.bsky.social @kelseyhightower.com @puerco.mx @auggie.dev @xander.wtf @orlinvasilev.bsky.social @mauilion.dev Nick Young Lewis Denham-Parry Justin Cormack Katie Gamanji and many more!

Group photo with Jeff, Puerco, Stephen, Xander, Justin, Nick

3293

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 15/11/2024

Thanks to everyone who came to Tobias Angerstein’s & my #KubeCon/#CloudNativeCon talk on #OpenTelemetry! Big thanks to @maeddes.bsky.social who created the content with Jan-Niklas and Jens at Novatec. Slides: static.sched.com/hosted_files... Training: training.linuxfoundation.org/training/get...

Photo of Tobi and me on stage with the audience coming in

0161

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 14/11/2024

Big congrats to Max Körbächer, @grabnerandi.bsky.social, and Hilliary Lipsig for their book Platform Engineering for Architects and @lizrice.bsky.social for her many books such as Learning #eBPF. I’m looking forward to reading these and learning more after #KubeCon #CloudNativeCon!

1293

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 13/11/2024

Crazy to think it has been 9-10y since my first #dockerselfie with @shykes.bsky.social. Maybe it’s a #daggerselfie now. Check out the awesome #Docker shoes! #kubecon #cloudnativecon @dagger.io

Solomon making a dance move to show his shoes off

White vans shoes with the blue docker whale print on it

3222

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 12/11/2024

Learning about Dagger, “a programmable tool that lets you replace your software project's artisanal scripts with a modern API and cross-language scripting engine.”, from Jeremy Adams #appdevelopercon #kubecon #cloudnativecon Check out docs.dagger.io/quickstart/

Why dagger? API first, functions, modules

API first
Core API: containers, directories, files, git, services, sockets, secrets, cache

Big idea: you can call any functions (including the core API, any you write/install) from the dagger CLI or from code!

2140

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 12/11/2024

Learning about continuous profiling & @daprdev.bsky.social at #appdevelopercon @salaboy.com & Jonas Kunz 4 pillars of obs: metrics, logs, traces, profiling @opentelemetry.io Profiling: Measuring where & how an app spends its time without having to modify/instrument it #kubecon #cloudnativecon

Slide: 3 pillars of observability: logs, metrics, traces
OpenTelemetry is connected to all since 2019
Actually now 4: profiles too since 2022

Slide: profiling

Profiling: Measuring where and how an application spends it's time without having to modify/instrument it

In process profiling and eBPF profiling

072

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 11/11/2024

This made me think of the Kubernetes Cluster API logo 😆

120

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 29/10/2024

Ray is a Cloud-agnostic and unified #Python-based distributed computing framework consisting of three layers: - Ray AI libraries - Ray Core - Ray Clusters @boredabdel.bsky.social #ato #allthingsopen Overview: docs.ray.io/en/latest/ra... Ray + #Kubernetes: docs.ray.io/en/latest/cl...

060

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 29/10/2024

I had a great first day at #AllThingsOpen. Thanks to everyone who came to my talk and it was great seeing so many awesome people including @boredabdel.bsky.social @cra.dev @justingarrison.com @estesp.dev @vbatts.bsky.social

181

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 29/10/2024

#Kubernetes is a Container Orchestrator -Logistics for containers at scale -Abstracts hardware —Creating a "Kubernetes Cluster" -API for "orchestrating" container deployments @boredabdel.bsky.social Art by @kaslin.rocks #ato #allthingsopen

1102

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 27/10/2024

At All Things Open (#ATO)? I’m giving my talk “Cloud Native Security For The Rest Of Us” at 10:30a Monday/tomorrow in 302 C. Hope to see you there! #AllThingsOpen 2024.allthingsopen.org/sessions/clo...

0235

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 10/05/2023

At 9am tomorrow, Thurs, May 11 @maeddes.bsky.social and I will give a talk on distributed patterns compared: Frameworks vs K8s vs Service Mesh vs eBPF at DevoxxUK. Come join us in Room D! www.devoxx.co.uk/talk/?id=3866

030

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 04/05/2023

Here are the slides for @maeddes.bsky.social “Distributed patterns compared: Frameworks vs. K8s vs. Service Mesh vs. eBPF” talk from Devoxx Greece. speakerdeck.com/maeddes/distributed… We will be doing it together 👀 next week at DevoxxUK.

031

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 03/05/2023

Also, check out these Devoxx Greec talks by two of my favorite people: @starbuxman.joshlong.com Bootiful Spring Boot 3 devoxx.gr/talk/?id=4604 @maeddes.bsky.social Distributed patterns compared: Frameworks vs. #K8s vs. Service Mesh vs. eBPF devoxx.gr/talk/?id=4056

111

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 03/05/2023

Hello Athens! Much thanks to Devoxx Greece and Kubernetes Athens meetup for giving me speaking slots in this beautiful country! Meetup tonight- Bootiful Kubernetes Operators: meetu.ps/e/LZJy4/d5dyF/i Devoxx Friday- Cloud Native Security for the Rest of Us: devoxx.gr/talk/?id=5283

160

tiffany jernigan 🐦‍🔥 @tiffanyfay.dev · 27/04/2023

Hi everyone! I figured it’s about time I make my first post (w/blue skies)! So, hi, I’m Tiffany Jernigan. I’m a developer advocate at VMware in Seattle. I’m focused on cloud native/Kubernetes things. Yay open source! In my free time I like photography and traveling. linktr.ee/tiffanyfay

171