JRuby is fully parallel on the JVM, which exposes thread-unsafe Ruby code. The fix was years of educating the Ruby community about thread-safe programming. #JRuby #Concurrency #Ruby
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Posts with #jRuby
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Public posts on X that use #jRuby.
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- InvokeDynamic is JRuby's switchboard. Dynamic calls get compiled to raw assembly, all inlined: Ruby into Java, Java into Ruby. Pure JVM magic. #JRuby #JVM #InvokeDynamic0231K
Charles Oliver Nutter@headiusIt's time for the last #RailsConf! Sadly, since my #JRuby talk was rejected, I won't be able to participate, so I need you to step up and represent. Let me know if you're there and I'll try to connect you with other JRubyists! Tell people our story and spread the word!0011648
Ruby India@ruby_indRubyists, this one’s BIG! Meet Charles Nutter@headius – the JRuby Guy 🎩 📷 Sept 17 | 📷@joshsoftware, Pune A fireside chat on #JRuby, Ruby’s journey & the future of programming. 📷 RSVP 📷 #Ruby #RubyIndia #meetup #pune024130
Mohit Sindhwani@onghuIs there a recommended #Ruby gem for generating large sized #XLSX files from a #JRuby application? We're using caxlsx and are running out of memory (few hundred thousand records). Help/ RT appreciated.120- Charles Oliver Nutter@headius@headius@onghu @floehopper I would still like to hear how xlsxtream performs for your use case on JRuby. There are always improvements to be found!201
- Mohit Sindhwani@onghu@headius@headius @floehopper Ok! Here it is. Actually, in performance, xlsxtream did very well on #JRuby! For 1M rows x 20 cols x 4 digit number in each cell: - xlsxtream: 41 sec/ 2GB RAM - Poi: 45 sec/ 750MB RAM Yesterday's 60 sec on Poi was cos I was streaming Netflix & other stuff at that time!105
- Mohit Sindhwani@onghuGotta 💙 #JRuby - just used Apache Poi from #Ruby to create an XLSX file. 1M rows x 20 columns: was running out of memory tbut we're now streaming it & saving to disk at roughly ~700MB of RAM in 60 seconds. Thanks to @headius - for the suggestion.Charles Oliver Nutter @headius@onghu Apache Poi?0413
Jordan Knightin@JordanKEuropeCan I use a crystal ball to connect to Oracle using jRuby and JDBC, or is that too old-school? Source: #development #developer #jruby #codinghelp #connect #oracle20451- Mohit Sindhwani@onghuAs someone who really likes #JRuby (and supports it in some small way), I am excited that @headius is relentlessly spreading the word! Here's an old post on why we like to use JRuby that seems appropriate to share today - #ruby #programmingRubyConfIndia @rubyconfindiaAll ears and all excited! 🎤 The JRuby legend Charles Nutter takes us through “JRuby: Do More with Ruby” live at #RubyConfIndia2025. #RCI25 @headius215749
RubyConfIndia@rubyconfindiaAll ears and all excited! 🎤 The JRuby legend Charles Nutter takes us through “JRuby: Do More with Ruby” live at #RubyConfIndia2025. #RCI25 @headius
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Jānis Baiža@jbaizaBaltic Ruby @balticrubyOur next speaker is from Latvia. Meet Jānis Baiža @jbaiza, Software Developer at @eazybi. He'll tell about threading issue with MRI due to Global Interpreter Lock and how to fix it in JRuby using Java native threads. But!.. #balticruby #lineup #ruby #rails #oss #opensource117293
Baltic Ruby@balticrubyOur next speaker is from Latvia. Meet Jānis Baiža @jbaiza, Software Developer at @eazybi. He'll tell about threading issue with MRI due to Global Interpreter Lock and how to fix it in JRuby using Java native threads. But!.. #balticruby #lineup #ruby #rails #oss #opensource
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Santanu Bhattacharya@santattechExcited to share that I’ve made my first contribution and am now a contributor to jruby-charts!!! Big Thanks to @headius #JRuby #Ruby127502
Matt Angell@matt_angellWe're currently hiring for the @logstash team at @elastic Come join us! #logstash #java #jruby #ruby #jvm #hiring #opensource #remotejobs #remotework #remoteworking #elastic #elkstack #elk #elasticsearch Link to job:044
Benoit Daloze@eregontp@mametter@mametter @_ko1 @shyouhei @a_matsuda @MattStudies I finally wrote a blog post about Optcarrot and #JRuby+#Truffle356
Nicolas Fränkel 🇪🇺🇺🇦🇬🇪@nicolas_frankelMigrated my blog build #Docker image from a #JRuby on #OpenJDK base to a JRuby on #Alpine base. Image size went from 750Mb to 331Mb: more than a 50% improvement 🥳3316
Sharat Chander @sharatchander.bsky.social@Sharat_ChanderWrapping up Day 0.5 at @devnexus with none other than Mr. #JRuby from the #Java community #Devnexus2023
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