Ivo Anjo

Ruby engineer @Datadog // open-source person on my free times

ivoanjo.me

talk by Ivo Anjo: How a Ruby profiler works: Stackprof under a microscope

How a Ruby profiler works: Stackprof under a microscope

Ivo Anjo

EuRuKo 2025

talk by Ivo Anjo: Keynote: Performance Bugs and Low-level Ruby Observability APIs

Keynote: Performance Bugs and Low-level Ruby Observability APIs

Ivo Anjo

RubyKaigi 2025

talk by Ivo Anjo: How the Ruby Global VM Lock impacts app performance

How the Ruby Global VM Lock impacts app performance

Ivo Anjo

RubyConf 2024

talk by Ivo Anjo: Optimizing Ruby: Building an Always-On Production Profiler

Optimizing Ruby: Building an Always-On Production Profiler

Ivo Anjo

RubyKaigi 2024

talk by Ivo Anjo: Look out! Gotchas of Using Threads in Ruby

Look out! Gotchas of Using Threads in Ruby

Ivo Anjo

EuRuKo 2023

talk by Ivo Anjo: Understanding the Ruby Global VM Lock by observing it

Understanding the Ruby Global VM Lock by observing it

Ivo Anjo

RubyKaigi 2023

talk by Ivo Anjo, KJ Tsanaktsidis: Hunting Production Memory Leaks with Heap Sampling

Hunting Production Memory Leaks with Heap Sampling

Ivo Anjo, KJ Tsanaktsidis

RubyKaigi 2022

talk by Ivo Anjo: Spotting unsafe concurrent Ruby patterns

Spotting unsafe concurrent Ruby patterns

Ivo Anjo

Ruby on Ice 2018

talk by Ivo Anjo: Lightning Talk: Warm Blanket - Good Crappy After-Boot Performance

Lightning Talk: Warm Blanket - Good Crappy After-Boot Performance

Ivo Anjo

EuRuKo 2017

talk by Ivo Anjo: How a Ruby profiler works: Stackprof under a microscope

How a Ruby profiler works: Stackprof under a microscope

Ivo Anjo

EuRuKo 2025

talk by Ivo Anjo: How the Ruby Global VM Lock impacts app performance

How the Ruby Global VM Lock impacts app performance

Ivo Anjo

RubyConf 2024

talk by Ivo Anjo: Optimizing Ruby: Building an Always-On Production Profiler

Optimizing Ruby: Building an Always-On Production Profiler

Ivo Anjo

RubyKaigi 2024

talk by Ivo Anjo: Look out! Gotchas of Using Threads in Ruby

Look out! Gotchas of Using Threads in Ruby

Ivo Anjo

EuRuKo 2023

talk by Ivo Anjo: Understanding the Ruby Global VM Lock by observing it

Understanding the Ruby Global VM Lock by observing it

Ivo Anjo

RubyKaigi 2023

talk by Ivo Anjo, KJ Tsanaktsidis: Hunting Production Memory Leaks with Heap Sampling

Hunting Production Memory Leaks with Heap Sampling

Ivo Anjo, KJ Tsanaktsidis

RubyKaigi 2022

talk by Ivo Anjo: Spotting unsafe concurrent Ruby patterns

Spotting unsafe concurrent Ruby patterns

Ivo Anjo

Ruby on Ice 2018

talk by Ivo Anjo: Keynote: Performance Bugs and Low-level Ruby Observability APIs

Keynote: Performance Bugs and Low-level Ruby Observability APIs

Ivo Anjo

RubyKaigi 2025

talk by Ivo Anjo: Lightning Talk: Warm Blanket - Good Crappy After-Boot Performance

Lightning Talk: Warm Blanket - Good Crappy After-Boot Performance

Ivo Anjo

EuRuKo 2017

Attended as Keynote Speaker

RubyKaigi 2025

Matsuyama, Ehime, Japan
April 16-18, 2025

Attended as Speaker

EuRuKo 2025

Viana do Castelo, Portugal
September 18-19, 2025

RubyConf 2024

Chicago, IL
November 13-15, 2024

RubyKaigi 2024

Naha, Okinawa, Japan
May 15-17, 2024

EuRuKo 2023

Vilnius, Lithuania
September 21-23, 2023

RubyKaigi 2023

Nagano, Japan
May 11-13, 2023

RubyKaigi 2022

Mie, Japan
September 08-10, 2022

Ruby on Ice 2018

Ruby on Ice 2018

Tegernsee, Germany
February 26-28, 2018

EuRuKo 2017

Budapest, Hungary
September 29-30, 2017

Asia

🇯🇵

Japan

4 events

• RubyKaigi 2025 (2025) • RubyKaigi 2022 (2022) • RubyKaigi 2023 (2023)

and 1 more...

• RubyKaigi 2024 (2024)

Europe

🇩🇪

Germany

1 event

• Ruby on Ice 2018 (2018)

🇭🇺

Hungary

1 event

• EuRuKo 2017 (2017)

🇱🇹

Lithuania

1 event

• EuRuKo 2023 (2023)

🇵🇹

Portugal

1 event

• EuRuKo 2025 (2025)

North America

🇺🇸

United States

1 event

• RubyConf 2024 (2024)