Cristian Planas
@cplanas.bsky.social
Engineer & Rubyist.
Speaker of tech stuff with a dubious sense of humour (https://www.rubyvideo.dev/speakers/cristian-planas).
Author of Rails Scales! (https://t.co/g6sFeDDgp4).
I lived around: BCN, HEL, CPH, SF, NYC. Currently @zendesk.
Speaker of tech stuff with a dubious sense of humour (https://www.rubyvideo.dev/speakers/cristian-planas).
Author of Rails Scales! (https://t.co/g6sFeDDgp4).
I lived around: BCN, HEL, CPH, SF, NYC. Currently @zendesk.
Just checked the "Best Sellers in Ruby Programming"(lnkd.in/gq4sKWkt) on Amazon and found a pleasant surprise!
July 5, 2025 at 2:07 PM
Just checked the "Best Sellers in Ruby Programming"(lnkd.in/gq4sKWkt) on Amazon and found a pleasant surprise!
After 3 years of work, my book Rails Scales! is finally complete, and the print copies are now available! I recorded a short unboxing video of my copies to share with you.
You can get your own paperback copy of Rails Scales! on Amazon:
www.amazon.com/Rails-Scales...
You can get your own paperback copy of Rails Scales! on Amazon:
www.amazon.com/Rails-Scales...
July 2, 2025 at 8:33 AM
After 3 years of work, my book Rails Scales! is finally complete, and the print copies are now available! I recorded a short unboxing video of my copies to share with you.
You can get your own paperback copy of Rails Scales! on Amazon:
www.amazon.com/Rails-Scales...
You can get your own paperback copy of Rails Scales! on Amazon:
www.amazon.com/Rails-Scales...
It's finally out! My talk "Full Circle: How Modern Ruby Powers the Re-integration of High-Speed Microservices into Rails".
Recommended if you are into Ruby, architectural debates with some historical perspective, and mostly Twin Peaks.
#ruby #rails
www.youtube.com/watch?v=0cI8...
Recommended if you are into Ruby, architectural debates with some historical perspective, and mostly Twin Peaks.
#ruby #rails
www.youtube.com/watch?v=0cI8...
Cristian Planas (Engineer @Zendesk) - Full Circle... | Tropical on Rails 2025
YouTube video by Tropical on Rails
www.youtube.com
May 16, 2025 at 1:11 PM
It's finally out! My talk "Full Circle: How Modern Ruby Powers the Re-integration of High-Speed Microservices into Rails".
Recommended if you are into Ruby, architectural debates with some historical perspective, and mostly Twin Peaks.
#ruby #rails
www.youtube.com/watch?v=0cI8...
Recommended if you are into Ruby, architectural debates with some historical perspective, and mostly Twin Peaks.
#ruby #rails
www.youtube.com/watch?v=0cI8...
Rails Scales! is a Pragmatic Bookshelf best seller, and it’s for sale right now! 40% off with the code 2025RAILS at checkout!
Use this opportunity and get your ebook copy. 😘
pragprog.com/titles/cprpo...
#ruby #rails #rubyonrails
Use this opportunity and get your ebook copy. 😘
pragprog.com/titles/cprpo...
#ruby #rails #rubyonrails
April 26, 2025 at 8:15 AM
Rails Scales! is a Pragmatic Bookshelf best seller, and it’s for sale right now! 40% off with the code 2025RAILS at checkout!
Use this opportunity and get your ebook copy. 😘
pragprog.com/titles/cprpo...
#ruby #rails #rubyonrails
Use this opportunity and get your ebook copy. 😘
pragprog.com/titles/cprpo...
#ruby #rails #rubyonrails
Reposted by Cristian Planas
Spring Best Sellers Sale, Week 3
The Red Carpet - ♥️ Ruby/Rails♥️
40% Off – This Week Only!
Code: 2025RAILS at checkout
pragprog.com/titles/...
by @cplanas.bsky.social
The Red Carpet - ♥️ Ruby/Rails♥️
40% Off – This Week Only!
Code: 2025RAILS at checkout
pragprog.com/titles/...
by @cplanas.bsky.social
April 25, 2025 at 1:47 PM
Spring Best Sellers Sale, Week 3
The Red Carpet - ♥️ Ruby/Rails♥️
40% Off – This Week Only!
Code: 2025RAILS at checkout
pragprog.com/titles/...
by @cplanas.bsky.social
The Red Carpet - ♥️ Ruby/Rails♥️
40% Off – This Week Only!
Code: 2025RAILS at checkout
pragprog.com/titles/...
by @cplanas.bsky.social
Ready to go! Rocking my lucky T-shirt. #RubyKaigi
April 16, 2025 at 6:18 AM
Ready to go! Rocking my lucky T-shirt. #RubyKaigi
Best airport welcome ever for a Ruby conference! #ruby #rubykaigi
April 15, 2025 at 8:27 AM
Best airport welcome ever for a Ruby conference! #ruby #rubykaigi
One of the perks of speaking in #RubyKaigi is that you get to visit Japan.
April 15, 2025 at 1:41 AM
One of the perks of speaking in #RubyKaigi is that you get to visit Japan.
Amid the excitement of #TropicalOnRails, I forgot to share this: Rails Scales!—my upcoming book on Rails performance—has already sold 500+ copies in beta! And it’s not even officially out yet (launching May or June). Thanks to everyone reading early!
pragprog.com/titles/cprpo...
pragprog.com/titles/cprpo...
Rails Scales!
Build Rails applications that scale. Discover the small changes that make a big difference in efficiency. Design applications for performance from the start.
pragprog.com
April 8, 2025 at 9:14 PM
Amid the excitement of #TropicalOnRails, I forgot to share this: Rails Scales!—my upcoming book on Rails performance—has already sold 500+ copies in beta! And it’s not even officially out yet (launching May or June). Thanks to everyone reading early!
pragprog.com/titles/cprpo...
pragprog.com/titles/cprpo...
Reposted by Cristian Planas
EN:
On top of an amazing talk, @crplanas also brought a special treat for those of you who love a good read... 👇🏼💜
PT-BR:
Além de uma palestra incrível @crplanas também trouxe uma oportunidade para vocês que adoram uma boa lekitura... 👇🏼💜
On top of an amazing talk, @crplanas also brought a special treat for those of you who love a good read... 👇🏼💜
PT-BR:
Além de uma palestra incrível @crplanas também trouxe uma oportunidade para vocês que adoram uma boa lekitura... 👇🏼💜
April 4, 2025 at 3:20 PM
EN:
On top of an amazing talk, @crplanas also brought a special treat for those of you who love a good read... 👇🏼💜
PT-BR:
Além de uma palestra incrível @crplanas também trouxe uma oportunidade para vocês que adoram uma boa lekitura... 👇🏼💜
On top of an amazing talk, @crplanas also brought a special treat for those of you who love a good read... 👇🏼💜
PT-BR:
Além de uma palestra incrível @crplanas também trouxe uma oportunidade para vocês que adoram uma boa lekitura... 👇🏼💜
Reposted by Cristian Planas
Now we had @cplanas.bsky.social do a **super fun** and inspiring talk about going full cycle from microservices to monolith. Really great!! 🔝🔝
April 4, 2025 at 3:22 PM
Now we had @cplanas.bsky.social do a **super fun** and inspiring talk about going full cycle from microservices to monolith. Really great!! 🔝🔝
My book, “Rails Scales!” is already available for presale at Barnes & Noble. 😍
www.barnesandnoble.com/w/rails-scal...
www.barnesandnoble.com/w/rails-scal...
Rails Scales!: Practical Techniques for Performance and Growth|Paperback
Rails doesn't scale. So say the naysayers. They’re wrong. Ruby on Rails runs some of the biggest sites in the world, impacting the lives of millions of users while efficiently crunching petabyte...
www.barnesandnoble.com
March 29, 2025 at 11:05 AM
My book, “Rails Scales!” is already available for presale at Barnes & Noble. 😍
www.barnesandnoble.com/w/rails-scal...
www.barnesandnoble.com/w/rails-scal...
Yep! The book is completed. We hope to bring it to printing very soon!
Beta Update - Rails Scales!
by Cristian Planas
@cplanas.bsky.social
pragprog.com/titles/cprpo
B6.0 Release Notes:
* Completed the chapter “Monitoring Performance to Build Scalable Systems”.
* Completed the epilogue.
* Book completed.
(Already purchased? Check your email for a download link.)
by Cristian Planas
@cplanas.bsky.social
pragprog.com/titles/cprpo
B6.0 Release Notes:
* Completed the chapter “Monitoring Performance to Build Scalable Systems”.
* Completed the epilogue.
* Book completed.
(Already purchased? Check your email for a download link.)
February 26, 2025 at 4:08 PM
Yep! The book is completed. We hope to bring it to printing very soon!
Reposted by Cristian Planas
Beta Update - Rails Scales!
by Cristian Planas
@cplanas.bsky.social
pragprog.com/titles/cprpo
B6.0 Release Notes:
* Completed the chapter “Monitoring Performance to Build Scalable Systems”.
* Completed the epilogue.
* Book completed.
(Already purchased? Check your email for a download link.)
by Cristian Planas
@cplanas.bsky.social
pragprog.com/titles/cprpo
B6.0 Release Notes:
* Completed the chapter “Monitoring Performance to Build Scalable Systems”.
* Completed the epilogue.
* Book completed.
(Already purchased? Check your email for a download link.)
February 26, 2025 at 4:05 PM
Beta Update - Rails Scales!
by Cristian Planas
@cplanas.bsky.social
pragprog.com/titles/cprpo
B6.0 Release Notes:
* Completed the chapter “Monitoring Performance to Build Scalable Systems”.
* Completed the epilogue.
* Book completed.
(Already purchased? Check your email for a download link.)
by Cristian Planas
@cplanas.bsky.social
pragprog.com/titles/cprpo
B6.0 Release Notes:
* Completed the chapter “Monitoring Performance to Build Scalable Systems”.
* Completed the epilogue.
* Book completed.
(Already purchased? Check your email for a download link.)
Reposted by Cristian Planas
As Eastern Europeans, we find the X leadership's stance on geopolitical issues troublesome. We don't want any part in that. Hello, Blue Sky #rubyfriends. ✌️
February 23, 2025 at 12:57 PM
As Eastern Europeans, we find the X leadership's stance on geopolitical issues troublesome. We don't want any part in that. Hello, Blue Sky #rubyfriends. ✌️
Just released a new version of Rails Scales! (pragprog.com/titles/cprpo...). This one includes the completed book. :)
I'm currently working on the last revision, which updates the book from Rails 7 to 8. Mostly minor changes, with the exception that now I will cover Solid Queue.
I'm currently working on the last revision, which updates the book from Rails 7 to 8. Mostly minor changes, with the exception that now I will cover Solid Queue.
Rails Scales!
Build Rails applications that scale. Discover the small changes that make a big difference in efficiency. Design applications for performance from the start.
pragprog.com
February 16, 2025 at 4:31 PM
Just released a new version of Rails Scales! (pragprog.com/titles/cprpo...). This one includes the completed book. :)
I'm currently working on the last revision, which updates the book from Rails 7 to 8. Mostly minor changes, with the exception that now I will cover Solid Queue.
I'm currently working on the last revision, which updates the book from Rails 7 to 8. Mostly minor changes, with the exception that now I will cover Solid Queue.
Looking forward to be in Sao Paulo this April. Obrigado!
EN:
🎤 Speaker confirmed: @crplanas, group tech leader & senior staff engineer na @zendesk.
Who’s ready? 🔥👀
PT-BR:
🎤 Palestrante confirmado: @crplanas, group tech leader & senior staff engineer na @zendesk
🌐👉 Confira no site: www.tropicalonrails.com/cristian-pl...
Quem está preparado? 🔥👀
🎤 Speaker confirmed: @crplanas, group tech leader & senior staff engineer na @zendesk.
Who’s ready? 🔥👀
PT-BR:
🎤 Palestrante confirmado: @crplanas, group tech leader & senior staff engineer na @zendesk
🌐👉 Confira no site: www.tropicalonrails.com/cristian-pl...
Quem está preparado? 🔥👀
February 13, 2025 at 7:29 PM
Looking forward to be in Sao Paulo this April. Obrigado!
Reposted by Cristian Planas
Hard week. In the world, and at work.
This too shall pass.
This too shall pass.
January 24, 2025 at 11:24 PM
Hard week. In the world, and at work.
This too shall pass.
This too shall pass.
New Year, new Ruby talks proposals... It's been a productive day, I already got 4 ready, haha.
January 7, 2025 at 4:30 PM
New Year, new Ruby talks proposals... It's been a productive day, I already got 4 ready, haha.
Reposted by Cristian Planas
This is so spot on. Two things:
1. Being focused on producing output the fastest way possible means that you will never prioritize "going deep"
2. Going deep (and down the rabbit hole) is how you learn more: but you need to balance it.
Figure out how to do both: it's tricky!
1. Being focused on producing output the fastest way possible means that you will never prioritize "going deep"
2. Going deep (and down the rabbit hole) is how you learn more: but you need to balance it.
Figure out how to do both: it's tricky!
January 4, 2025 at 7:29 PM
This is so spot on. Two things:
1. Being focused on producing output the fastest way possible means that you will never prioritize "going deep"
2. Going deep (and down the rabbit hole) is how you learn more: but you need to balance it.
Figure out how to do both: it's tricky!
1. Being focused on producing output the fastest way possible means that you will never prioritize "going deep"
2. Going deep (and down the rabbit hole) is how you learn more: but you need to balance it.
Figure out how to do both: it's tricky!
The Last Jedi is the 3rd best Star Wars movie.
There, I said it.
There, I said it.
December 17, 2024 at 12:32 PM
The Last Jedi is the 3rd best Star Wars movie.
There, I said it.
There, I said it.
Updating my book to Rails 8 (it was written with an example application written in 7) I found an unexpected difference. In Rails 8, the request logs do not show the amount of memory allocations.
This was quite useful for the examples of the book. Any way to turn this back on?
This was quite useful for the examples of the book. Any way to turn this back on?
December 14, 2024 at 8:23 PM
Updating my book to Rails 8 (it was written with an example application written in 7) I found an unexpected difference. In Rails 8, the request logs do not show the amount of memory allocations.
This was quite useful for the examples of the book. Any way to turn this back on?
This was quite useful for the examples of the book. Any way to turn this back on?
Reposted by Cristian Planas
here's a computer take: it didn't actually take that much computing power to go to the moon
December 2, 2024 at 11:58 PM
here's a computer take: it didn't actually take that much computing power to go to the moon
Reposted by Cristian Planas
There's this evergreen joke on software development that goes something like this:
"We're done with 90% of the project. Which means we only have the other 90% left to go."
It's funny because it's true. It's also why experienced engineers are in-demand: they are the "finishers."
AI tools: not now.
"We're done with 90% of the project. Which means we only have the other 90% left to go."
It's funny because it's true. It's also why experienced engineers are in-demand: they are the "finishers."
AI tools: not now.
December 2, 2024 at 12:41 PM
There's this evergreen joke on software development that goes something like this:
"We're done with 90% of the project. Which means we only have the other 90% left to go."
It's funny because it's true. It's also why experienced engineers are in-demand: they are the "finishers."
AI tools: not now.
"We're done with 90% of the project. Which means we only have the other 90% left to go."
It's funny because it's true. It's also why experienced engineers are in-demand: they are the "finishers."
AI tools: not now.