Pablo Marcos Oltra

@pablomarc0s

Systems Developer. Passionate about videogame development. Interested in compilers, build systems and new programming languages

Orihuela, España

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Pablo Marcos Oltra
@pablomarc0s
Feb 9
Replying to @pablomarc0s
Here's the link to watch the talk: fosdem.org/2026/schedule/… And here are the slides: presentations.clickhouse.com/2026-fosdem-ho… It's not as advanced as what @molecularmusing does with @liveplusplus, but it serves our goal to help debugging and profiling in production
archive.fosdem.org
FOSDEM 2026 - Hotpatching ClickHouse in production with XRay
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Pablo Marcos Oltra
@pablomarc0s
Sep 25
This is something I miss in every debugging session I have. Chef kiss
Ryan Fleury
@rfleury
Sep 25
Pablo Marcos Oltra
@pablomarc0s
May 20
😂😂😂😂😂
Anshu
@anshuc
May 20
Replying to @github
holy shit, how did the attackers find a large enough uptime window to get in?
Pablo Marcos Oltra
@pablomarc0s
Feb 10
Pinky promise this is going to be the coolest shit you’re gonna see today. By @DanHollick
gingerBill
@TheGingerBill
Feb 10
WHERE THE HECK DID THIS COME FROM? This is actually amazing!!!! makingsoftware.com
Pablo Marcos Oltra
@pablomarc0s
Feb 9
I gave a talk at #FOSDEM where we added to ClickHouse the possibility to hotpatch functions in production for debugging purposes. It uses a mix of compiler instrumentation and a runtime library called XRay from LLVM. We can enable different handlers through SQL statements
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