Ivo Anjo.me
-
👋 Hey there! I’m Ivo
I’m a software engineer currently building a kick-ass Ruby profiler @ datadog.
I blog about Ruby, Java/JVM and other tech-related small tidbits I learn.Around/visiting London? Hit me up, I would love to meet up!
- public tech talks and presentations
- gitlab / github / linkedin / cv
- ping me:
ivo@this domain / twitter - subscribe to my newsletter
- ivo's awfully random tech blog:
- backtracie and the quest for prettier ruby backtraces ()
- look out! gotchas of using threads in ruby ()
- understanding the ruby global vm lock by observing it ()
- ruby’s unexpected i/o vs cpu unfairness ()
- talking ruby performance tooling at the ruby rogues podcast ()
- ruby reuses native os threads after ruby threads die ()
- hunting production memory leaks at rubykaigi 2022 ()
- tracing ruby’s (global) vm lock ()
- talking ruby ractors and concurrency at the ruby rogues podcast ()
- the unexpected cost of ruby’s nomethoderror exception ()
- sunday lol: embedding images in commit logs ()
- ruby ractor experiments: safe async communication ()
- looking into array memory usage in ruby ()
- what i’ve been reading: december+january 2021 edition ()
- what i’ve been reading: november 2020 edition ()
- creating a newsletter! ()
- what i’ve been reading: october 2020 edition ()
- better backtraces in ruby using tracepoint ()
- snippet: getting a dynamically-generated method name on the java stack using javassist ()
- ruby experiment: include class names in backtraces ()
- quick tip: unsafe concurrent ruby hash access ()
- kotlin hack: transparently replace class with interface ()
- kotlin for rubyists ()
- spotting unsafe ruby patterns - talk recording ()
- writing to a java treemap concurrently can lead to an infinite loop during reads ()
- til: java hides lambda frames in stack traces ()
- my thoughts on, and how i approach code reviews ()
- is this ok…​? or, spotting unsafe concurrent ruby patterns ()
- lightning talk - warm-blanket: goodbye crappy after-boot performance ()
- persistent-💎: a new ruby gem for beautiful immutable data structures ()
- asciidoc: an awesome markdown alternative ()
- why i always use attr_reader to access instance variables ()
- introducing the warmblanket gem ()
- ninjas’ guide to getting started with visualvm ()
- adopting tls ()
- rubies: a look at ruby's shiny future ()
- quickies: heroku exec and deploying jruby ()
- why you should be using jruby in production ()
- benchmarking jruby invokedynamic with a production application ()
- pry-debugger-jruby gem now on rubygems! ()
- weekend hacking: enviado gem ()
- jruby's charles nutter on the jvm as a language platform ()
- peek and pick at mri's heap, part 2 ()
- finding dead ruby code with debride ()
- psa: you can now debug with pry on jruby ()
- peek and pick at mri's heap, part 1 ()
- why you should regenerate your spec_helper ()
- explaining git ()
- another round of jruby goodness ()
- down the jruby rabbit hole ()
- did_you_know.ruby? ()
- asciinema: shell recording done right! ()
- whoa! java has a repl now! ()
- ruby meets weak memory models ()
- ruby features i'm looking forward to ()
- starting a new blog ()
- my ruby+jruby gems and experiments:
- gvl-tracing: a gem for tracing the ruby global vm lock
- backtracie: an experimental gem to build better backtraces for ruby
- pry-debugger-jruby: jruby 9k-compatible pry debugging
- persistent-💎: beautiful immutable data structures for ruby
- warm-blanket: warm up web services after boot
- tech interests:
- ruby development using jruby and truffleruby
- kotlin development
- jvm languages and jvm plumbing
- shared-memory, non-blocking concurrency, actors, software transactional memory
- application performance profiling
-
linux everywhere!
- proud ubuntu user :)
- mobile => android && jolla/sailfish os
- other interests:
- reading
- walking way too much / running
- board games
- awful movies and sometimes good ones too :D
- anime
- so much steam, so little time
- virtual reality
- awesomeness by jekyll + solo.theme
