Celestino Bellone
@cbellone.bsky.social
'The ticket guy' / Chief Ticketing Officer @alf.io
/ Chief Everything Officer @swicket.io
. Biggest fan of @raffaellar.bsky.social
/ Chief Everything Officer @swicket.io
. Biggest fan of @raffaellar.bsky.social
Today the @devoxx.com check-in was smoother than ever. Max wait time: just 58 seconds! Huge shout out to the team for an incredible job! ๐ #NewRecord (photo by the great @ddoutsiopoulos.bsky.social)
October 8, 2025 at 12:32 PM
Today the @devoxx.com check-in was smoother than ever. Max wait time: just 58 seconds! Huge shout out to the team for an incredible job! ๐ #NewRecord (photo by the great @ddoutsiopoulos.bsky.social)
Reposted by Celestino Bellone
Win a Combi ticket for #Devoxx Belgium! ๐๏ธ
All you need to do is fix this pesky JCEF bug (maybe even use your favorite AI coding assistant) github.com/devoxx/Devox...
DM me if youโre up for the challenge!
All you need to do is fix this pesky JCEF bug (maybe even use your favorite AI coding assistant) github.com/devoxx/Devox...
DM me if youโre up for the challenge!
[Bug] Black panel after "restart" next day ยท Issue #698 ยท devoxx/DevoxxGenieIDEAPlugin
When I open my IDEA again the next day I sometimes see just a black screen in the JCEF browser. Restarting the IDEA fixes the issue.
github.com
September 3, 2025 at 8:50 AM
Win a Combi ticket for #Devoxx Belgium! ๐๏ธ
All you need to do is fix this pesky JCEF bug (maybe even use your favorite AI coding assistant) github.com/devoxx/Devox...
DM me if youโre up for the challenge!
All you need to do is fix this pesky JCEF bug (maybe even use your favorite AI coding assistant) github.com/devoxx/Devox...
DM me if youโre up for the challenge!
Reposted by Celestino Bellone
The ultimate load test: @devoxx.com ticket sales!
- 7'288 requests in 1 min (9:00โ9:01 CEST)
- 4'821 in the first 30s
Like what we're building? Star us on GitHub! github.com/alfio-event/... #opensource #eventtech
- 7'288 requests in 1 min (9:00โ9:01 CEST)
- 4'821 in the first 30s
Like what we're building? Star us on GitHub! github.com/alfio-event/... #opensource #eventtech
GitHub - alfio-event/alf.io: alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups
alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups - alfio-event/alf.io
github.com
August 18, 2025 at 9:16 AM
The ultimate load test: @devoxx.com ticket sales!
- 7'288 requests in 1 min (9:00โ9:01 CEST)
- 4'821 in the first 30s
Like what we're building? Star us on GitHub! github.com/alfio-event/... #opensource #eventtech
- 7'288 requests in 1 min (9:00โ9:01 CEST)
- 4'821 in the first 30s
Like what we're building? Star us on GitHub! github.com/alfio-event/... #opensource #eventtech
@kevindubois.com it would be great to discuss about the architecture in Antwerp and see where we can make it better!! ๐
August 12, 2025 at 5:19 AM
@kevindubois.com it would be great to discuss about the architecture in Antwerp and see where we can make it better!! ๐
Plus, the heavy load lasts ~30s or less, so IMO adding pod autoscaling into the mix could do more harm than good, as the database would become the bottleneck...
August 12, 2025 at 5:11 AM
Plus, the heavy load lasts ~30s or less, so IMO adding pod autoscaling into the mix could do more harm than good, as the database would become the bottleneck...
Since the work is mostly done by the database (see ticketguy.dev/blogs/2023-0..., old but still relevant), we usually need 4-5 pods distributed among the k8s cluster nodes, as Alf.io works reasonably well with moderate resources (1/2)
Behind the Scenes of Devoxx Ticket Sales
How we managed the high load of registrations for Devoxx Belgium
ticketguy.dev
August 12, 2025 at 5:10 AM
Since the work is mostly done by the database (see ticketguy.dev/blogs/2023-0..., old but still relevant), we usually need 4-5 pods distributed among the k8s cluster nodes, as Alf.io works reasonably well with moderate resources (1/2)
Reposted by Celestino Bellone
Version 2.0-M5-2502 is out!
โ Improved performances
โ Multiple bug fixed
โ Lots of new contributors! Thank you all!!!
check github.com/alfio-event/... for more details.
Update your instance!
#opensource #event #ticketing
โ Improved performances
โ Multiple bug fixed
โ Lots of new contributors! Thank you all!!!
check github.com/alfio-event/... for more details.
Update your instance!
#opensource #event #ticketing
Release 2.0-M5-2502 ยท alfio-event/alf.io
What's Changed
refactor ticket category availability rest api + index controller by @syjer in #1400
Fix issue with subscription cancellation by @cbellone in #1408
Add resources links to reservati...
github.com
February 8, 2025 at 10:25 AM
Version 2.0-M5-2502 is out!
โ Improved performances
โ Multiple bug fixed
โ Lots of new contributors! Thank you all!!!
check github.com/alfio-event/... for more details.
Update your instance!
#opensource #event #ticketing
โ Improved performances
โ Multiple bug fixed
โ Lots of new contributors! Thank you all!!!
check github.com/alfio-event/... for more details.
Update your instance!
#opensource #event #ticketing
Reposted by Celestino Bellone
Probably the best room for a conference talk ever. The Globe @ CERN.
#VDC #VDC25 #VoxxedDays #VoxxedCERN
#VDC #VDC25 #VoxxedDays #VoxxedCERN
January 15, 2025 at 11:13 AM
Probably the best room for a conference talk ever. The Globe @ CERN.
#VDC #VDC25 #VoxxedDays #VoxxedCERN
#VDC #VDC25 #VoxxedDays #VoxxedCERN
Reposted by Celestino Bellone
๐จ Calling all speakers! ๐จ
โณ CFP Deadline: December 2nd, 2024 at midnight โ Don't miss your chance to share your knowledge and insights with the tech community!
๐ Submit your talk here: zurich.voxxeddays.com/
โณ CFP Deadline: December 2nd, 2024 at midnight โ Don't miss your chance to share your knowledge and insights with the tech community!
๐ Submit your talk here: zurich.voxxeddays.com/
December 1, 2024 at 4:06 PM
๐จ Calling all speakers! ๐จ
โณ CFP Deadline: December 2nd, 2024 at midnight โ Don't miss your chance to share your knowledge and insights with the tech community!
๐ Submit your talk here: zurich.voxxeddays.com/
โณ CFP Deadline: December 2nd, 2024 at midnight โ Don't miss your chance to share your knowledge and insights with the tech community!
๐ Submit your talk here: zurich.voxxeddays.com/
Reposted by Celestino Bellone
๐ฆ Early bird tickets for #springio25 go on sale TOMORROW 9am CET! Limited availability, secure your spot before theyโre gone. Tag a friend who needs to be there! ๐๏ธ
November 27, 2024 at 3:22 PM
๐ฆ Early bird tickets for #springio25 go on sale TOMORROW 9am CET! Limited availability, secure your spot before theyโre gone. Tag a friend who needs to be there! ๐๏ธ
Reposted by Celestino Bellone
Feedback from one of our project leads at #Hack.Commit.Push
Weโd like to run HCP at HSLU Rotkreuz again next year, perhaps with two additional locations across Switzerland.
Of course HCP Paris will be back again. Stay tuned!
Open Source FTW!
www.linkedin.com/posts/patric...
Weโd like to run HCP at HSLU Rotkreuz again next year, perhaps with two additional locations across Switzerland.
Of course HCP Paris will be back again. Stay tuned!
Open Source FTW!
www.linkedin.com/posts/patric...
Patrick S. on LinkedIn: #hackcommitpush #jreleaser #workhorz
The first #HackCommitPush event in Switzerland took place in the beautiful HSL in Rotkreuz. The main organisers from Java User Group invited and mostly Javaโฆ
www.linkedin.com
November 24, 2024 at 7:24 PM
Feedback from one of our project leads at #Hack.Commit.Push
Weโd like to run HCP at HSLU Rotkreuz again next year, perhaps with two additional locations across Switzerland.
Of course HCP Paris will be back again. Stay tuned!
Open Source FTW!
www.linkedin.com/posts/patric...
Weโd like to run HCP at HSLU Rotkreuz again next year, perhaps with two additional locations across Switzerland.
Of course HCP Paris will be back again. Stay tuned!
Open Source FTW!
www.linkedin.com/posts/patric...
Reposted by Celestino Bellone
If you'll be in (or can make it to) Switzerland this Saturday... ๐จ๐ญ
Join us for Hack.Commit.Push 2024 in Rotkreuz! ๐ป๐ค
I'll be there representing the #Spring Framework and #JUnit 5 along with the rest of the JUnit team. ๐
switzerland2024.hack-commit-pu.sh
Join us for Hack.Commit.Push 2024 in Rotkreuz! ๐ป๐ค
I'll be there representing the #Spring Framework and #JUnit 5 along with the rest of the JUnit team. ๐
switzerland2024.hack-commit-pu.sh
hack-commit-push ยท One Day to Contribute to Open Source
switzerland2024.hack-commit-pu.sh
November 19, 2024 at 2:09 PM
If you'll be in (or can make it to) Switzerland this Saturday... ๐จ๐ญ
Join us for Hack.Commit.Push 2024 in Rotkreuz! ๐ป๐ค
I'll be there representing the #Spring Framework and #JUnit 5 along with the rest of the JUnit team. ๐
switzerland2024.hack-commit-pu.sh
Join us for Hack.Commit.Push 2024 in Rotkreuz! ๐ป๐ค
I'll be there representing the #Spring Framework and #JUnit 5 along with the rest of the JUnit team. ๐
switzerland2024.hack-commit-pu.sh
Reposted by Celestino Bellone
Hack.Commit.Push is back! November 23rd at the HSLU in Rotkreuz, Switzerland.
Join us for some Open Source fun!
#maven #jreleaser #openjdk #assertj #junit #alfio switzerland2024.hack-commit-pu.sh
Join us for some Open Source fun!
#maven #jreleaser #openjdk #assertj #junit #alfio switzerland2024.hack-commit-pu.sh
hack-commit-push ยท One Day to Contribute to Open Source
switzerland2024.hack-commit-pu.sh
October 30, 2024 at 9:28 AM
Hack.Commit.Push is back! November 23rd at the HSLU in Rotkreuz, Switzerland.
Join us for some Open Source fun!
#maven #jreleaser #openjdk #assertj #junit #alfio switzerland2024.hack-commit-pu.sh
Join us for some Open Source fun!
#maven #jreleaser #openjdk #assertj #junit #alfio switzerland2024.hack-commit-pu.sh