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Iker Jiménez

@ijimenez.bsky.social
77 followers 190 following 17 posts

Java performance, Kafka and Kubernetes. Learning is my addiction

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Reposted by Iker Jiménez
Mel, the Herohom ( • `ω´ • ) ➡️ FFXIV Fanfest 🇯🇵 @herohommel.bsky.social · 30/12/2025
I've waited 3 years to make this post
screenshot of tweet saying "who the fuck is playing pokemon in antarctica" with a trade partner in antarcticaphoto of me in antarctica playing my switch. adelie penguins are in the backgroundphoto of me in antarctica playing my switch, with pokemon legends z-a. adelie penguins are in the background.
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Fernando Cuartero @fcuartero.bsky.social · 11/10/2025
Jesucristo prometió acabar con el pecado del mundo. Odín prometió acabar con los gigantes de hielo. ¿Quien cumple? Yo no veo ningún gigante de hielo.
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Iker Jiménez @ijimenez.bsky.social · 03/10/2025
www.oreilly.com/library/view...
oreilly.com
Head First Java, 3rd Edition
What will you learn from this book? Head First Java is a complete learning experience in Java and object-oriented programming. With this book, you'll learn the Java language with a... - Selection from...
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Iker Jiménez @ijimenez.bsky.social · 01/10/2025
Planning to attend a tech conference next year. I am interested in #java #jvm #performance and #streaming. Which conference should I attend? Ideally in Europe
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Reposted by Iker Jiménez
Simon Martinelli @martinelli.ch · 25/09/2025
Should You Still Use LOMBOK in 2025? Pros & Cons youtu.be/D-4mWspCz58?... Great video by @cat-edelveis.bsky.social
youtu.be
Should You Still Use LOMBOK in 2025? Pros & Cons
YouTube video by CyberJAR
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Iker Jiménez @ijimenez.bsky.social · 23/09/2025
Going through the book right now and enjoying it so far. What’s the best way to report typos?
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Iker Jiménez @ijimenez.bsky.social · 06/09/2025
Great writing. A lot of familiar things in there
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James Mcconachie @jamesmcconachie1.bsky.social · 20/08/2025
Image from @esa.int
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Markus Eisele @myfear.com · 16/07/2025
The Pragmatic Engineer 2025 Survey: What’s in your tech stack? buff.ly/xCCf8ti #developer #tech #survey
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Celeste Horgan @celestehorgan.bsky.social · 30/06/2025
I could really use your help looking for Senior++ Technical Writer roles or intermediate++ Developer Relations roles. I'm looking to stay in Germany. I'm also considering building up a freelance pipeline but realistically full time work makes my visa situation way easier. Please RT for reach 🙇‍♀️
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Suresh @suresh.dev · 17/05/2025
Advanced performance analysis with async-profiler by Andrei Pangin @devoxx.uk #jvm www.youtube.com/watch?v=u7-S...
youtube.com
Advanced performance analysis with async-profiler by Andrei Pangin
YouTube video by Devoxx UK
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Alina Yurenko @alina-yurenko.bsky.social · 15/05/2025
Performance Improvement by 10 Times, GraalVM Application Observability Practice: www.alibabacloud.com/blog/perform... by Alibaba Cloud Native Community #Java #GraalVM #observability
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Corey Quinn @quinnypig.com · 14/05/2025
Today's thread is about something I'm rather experienced with... How to Get Fired With Both Grace and Aplomb
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Mark ⚡️Heckler @mkheck.bsky.social · 13/05/2025
Just got caught up in the latest round of terminations from Microsoft. If anyone needs a "batteries included" advocate who really knows code, AI, and real production concerns + solutions, ping me! Ready to make great things happen for you. Onward and upward!
media.tenor.com
a man with a beard is wearing a red and gold iron man costume
ALT: a man with a beard is wearing a red and gold iron man costume
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Iker Jiménez @ijimenez.bsky.social · 11/05/2025
The podcast episodes by @adambien.blog and @forked-franz.bsky.social talking low level Java performance stuff are 🙌🏻🙌🏻 I hope they do more airhacks.fm#episode_343 airhacks.fm#episode_340
airhacks.fm
airhacks.fm podcast
podcast with adam bien
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pixelatedboat aka “mr bluesky” @pixelatedboat.bsky.social · 09/05/2025
I’ve known Robert Prevost for years as one of the main figures in online TMNT fandom, where no one has a bad word to say about him. He probably won’t have as much time to contribute to Turtles wikis with his new gig but I though his choice of “Pope Leo” was a lovely nod to the community
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Iker Jiménez @ijimenez.bsky.social · 07/05/2025
Would graalvm be an option for you?
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Iker Jiménez @ijimenez.bsky.social · 01/05/2025
Where do I start if I want to learn Apache Flink fast? I prefer video content over written but at this point I am mostly looking for high quality materials in any format. #flink #streaming #java
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Iker Jiménez @ijimenez.bsky.social · 27/04/2025
I might be an oddity, but I genuinely find joy in decommissioning unused systems. A lifetime ago, a colleague and I prepared a talk for an internal dev conference titled "7 Habits of Highly Effective Software Decommissioners." It didn’t get accepted — of course 🤣
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Iker Jiménez @ijimenez.bsky.social · 26/04/2025
Watching @hollycummins.com talk about how wasteful we are as an industry wakes up some hunter instinct in my brain. I need to find and kill the zombies. youtu.be/1c2va5nATmQ?...
youtu.be
Practical Zombie Hunting for Kubernetes Users - Holly Cummins, Red Hat
YouTube video by CNCF [Cloud Native Computing Foundation]
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Man in Business Suit Levitating @dfeldman.org · 17/03/2025
This is my entire life
programmers are always posting like "worked on tracking down an issue with a Flurble deployment for twelve hours. the problem wasn't in Flurble at all - it was in the Gumbies install. It turns out if you install Gumbies 3.0 over Gumbies 2.7 and don't do a cache flush on all the client spiders they'll get stuck in the crystal maze." then you look up Gumbies and the site is one of those scroll scroll scroll types
with one sentence per page, like "GUMBIES is a lean, expressive sharding sandcube for testing and deploying large scale
Woodchips playgrounds. GUMBIES automates and streamlines away watersliding phases, meaning your team can
get right to the chipping. See why Microsoft, OpenAl and Bloingo have embraced GUMBIES in their Woodchips
workflows." and you get to the bottom and you're like I
want this I guess but I still don't know what
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Geoffrey De Smet @geoffreydesmet.bsky.social · 10/02/2025
How I built an AI company to save my open source project On this day, 3 years ago, my world fell apart. It was a Thursday. I just finished my second meeting that morning, looked at my inbox and realized it was over. My life’s work was over. Read more: timefold.ai/blog/how-i-b...
timefold.ai
How I built an AI company to save my open source project
The story of Timefold: how we turned a doomed open source project into a fast-growing PlanningAI company.
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Iker Jiménez @ijimenez.bsky.social · 28/01/2025
El poder construir chips más pequeños permite menos consumo y más rendimiento. Es una tecnología de base, las aplicaciones son potencialmente infinitas. Lo de DeepSeek es un ejemplo de hacer más con menos, ingenio humano puramente
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Ryan Reads and Writes 📚✨ @ryanreadsandwrites.me · 21/01/2025
I have a big ask. My 9yo son is autistic and he’s been raising a betta fish he named Kevin. Yesterday He asked if he could “share a photo of Kevin with the whole world“. I don’t know if this will work, but a dad’s gotta try. Like and share if that’s your thing. Kevin says hi! 🐟👋
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Abhinav Upadhyay @abhi9u.bsky.social · 19/01/2025
How do you fit a 250kB dictionary in 64kB of RAM and still perform fast lookups? For reference, even with gzip -9, you can't compress this file below 85kB. In the 1970s, Douglas McIlroy faced this exact challenge while implementing the spell checker for Unix at AT&T.
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Jeroen-bart Engelen @yeep.bsky.social · 26/11/2024
I've alwats found this image very helpful.
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P(aul) Frazee @pfrazee.com · 25/12/2024
I’m having a conversation with my mom about something I want for Christmas and a week later Santa gives it to me. When will we pass privacy regulations
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Uberto Barbini @ramtop.bsky.social · 15/12/2024
I'm looking for a new job. Fully remote since I'm living in the Japanese countryside, but I'm flexible on working hours. If you know someone that needs a Kotlin/Java backend engineer with also experience in leading teams and mentoring please pm me. Retweets are appreciated!
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evanchooly @evanchooly.bsky.social · 02/12/2024
If you meet a bear in the forest, just ask him to review your pull request so he pretends he didn't notice you and goes away
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Iker Jiménez @ijimenez.bsky.social · 28/11/2024
Just last week Azure portal would show me an option to change a setting disabled whereas CLI would let me change it no problem.
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Iker Jiménez @ijimenez.bsky.social · 21/11/2024
Wouldn’t static initialization blocks be a similar scenario in Java?
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Reposted by Iker Jiménez
Jay 🦋 @jay.bsky.team · 19/11/2024
Bluesky now has over 20M people!! 🎉 We've been adding over a million users per day for the last few days. To celebrate, here are 20 fun facts about Bluesky:
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Iker Jiménez @ijimenez.bsky.social · 18/11/2024
@bilbostack.com donde se pueden ver las ponencias y los tracks de la próxima edición? En la web solo veo a los ponentes.
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Iker Jiménez @ijimenez.bsky.social · 18/11/2024
You are running byte code on a VM that gets interpreted, then runs compiled by the VM, that runs on an OS with a kernel in a container that runs on a cloud provider VM that exposes one or multiple CPUs with different layouts and instruction sets… Then the core is doing pipelining, branch prediction…
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Iker Jiménez @ijimenez.bsky.social · 18/11/2024
Most engineers work at a very high level of abstraction and are unaware of the multiple layers between their code and the core that executes their program instructions. I think some explanation of the different layers and what they do is eye opening
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Iker Jiménez @ijimenez.bsky.social · 18/11/2024
Just received my copy of the just released second edition of the “Performance analysis and tuning on modern CPUs” book. Great way to start the week.
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Peter Lawrey @peterlawrey.bsky.social · 17/11/2024
Java is Very Fast, If You Don’t Create Many Objects How you can see that object allocation doesn't scale with more threads.
buff.ly
Java is Very Fast, If You Don’t Create Many Objects
You still have to watch how many objects you create. This article looks at a benchmark passing events over TCP/IP at 4 billion events per ...
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Iker Jiménez @ijimenez.bsky.social · 17/11/2024
I suspect eventually it’ll disappoint us as well here, but the migration away from X that the tech community is pulling off in a very short time is such a rare event that I am enjoying it like a 5 yo on Christmas day.
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