dRuby 20th anniversary hands-on workshop

slide: dRuby 20th anniversary hands-on workshop
text is here : http://www.druby.org/fukuoka2019.pdf

Transcript

1. dRuby 20th anniversary hands-on workshop
   @m_seki / seki@ruby-lang.org
   

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2. @m_seki
   Ruby committer
   Author of ERB, dRuby, Rinda
   http://www.druby.org/fukuoka2019.pdf
   

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3. What is dRuby
   Distributed Object System
   Can invoke methods in different
   process
   Can send objects between process
   Pure Ruby
   http://www.druby.org/fukuoka2019.pdf
   

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4. দߐͷϫʔΫγϣοϓͷ࣭໰
   dRuby
   http://www.druby.org/fukuoka2019.pdf
   

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5. Goal of this workshop
   dRuby
   http://www.druby.org/fukuoka2019.pdf
   Feel what dRuby is.
   For details, read the book.
   

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6. 1999 [ruby-list:15406]
   1st dRuby
   http://www.druby.org/fukuoka2019.pdf
   

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7. 1st dRuby on T-shirts
   suzuri.jp/m_seki
   

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8. Ask them questions in English
   

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9. 2005 - ·ͩॳ࡮Γങ͑·͢
   http://www.druby.org/fukuoka2019.pdf
   dRuby
   ʹΑΔ
   ؔকढ़ஶ
   ෼ࢄ
   ɾ
   Web
   ϓϩάϥϛϯά
   First printing from 2005 (Still available)
   

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10. 2012 (-2014 ઈ൛)
    http://www.druby.org/fukuoka2019.pdf
    Publication from 2012 (Become out of print in 2014)
    

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11. ΋ͬͱΘ͔Γ΍͘͢΄Ίͯʂ
    http://www.druby.org/fukuoka2019.pdf
    Praise it more directly, please!
    

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12. dRuby͸ͳʹʹ࢖͏ͷʁ
    ...
    http://www.druby.org/fukuoka2019.pdf
    

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13. Twitterͷ৔߹
    http://www.druby.org/fukuoka2019.pdf
    In case of Twitter
    

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14. Concurrency ??
    http://www.druby.org/fukuoka2019.pdf
    It is very easy to use up multi-core
    

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15. Demo
    @drbrain
    Mandelbrot set 8core
    http://www.druby.org/fukuoka2019.pdf
    

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16. Agenda
    Hello, World
    Key value store
    Queue
    4, 5
    http://www.druby.org/fukuoka2019.pdf
    4. Docker, 5. Docker and Ring are omitted.
    

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17. 1. Hello, World
    Setup dRuby
    Invoke a method in different process
    http://www.druby.org/fukuoka2019.pdf
    

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18. 1. Hello, World
    http://www.druby.org/fukuoka2019.pdf
    require 'drb'
    class Hello
    def greeting
    puts('Hello, World.')
    end
    end
    uri = 'druby://localhost:54000'
    DRb.start_service(uri, Hello.new)
    sleep
    require 'drb'
    DRb.start_service
    uri = 'druby://localhost:54000'
    it = DRbObject.new_with_uri(uri)
    it.greeting
    ← greeting
    

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19. 2. Key value store
    KVS
    arguments
    return value
    http://www.druby.org/fukuoka2019.pdf
    

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20. 2. Key value store
    http://www.druby.org/fukuoka2019.pdf
    KVS
    irb irb
    ● "greeting"
    ● "hello, world."
    ● "greeting"
    ● "hello, world."
    

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21. 3. Queue
    SizedQueue full/empty
    http://www.druby.org/fukuoka2019.pdf
    Synchronize process using thread synchronization mechanism
    

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22. OOPARTS
    http://www.druby.org/fukuoka2019.pdf
    I was just reminded of dRuby's OOPARTS-ness
    

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23. OOPARTS
    http://www.druby.org/fukuoka2019.pdf
    

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24. ·ͱΊ
    dRuby
    http://www.druby.org/fukuoka2019.pdf
    Conclusion
    Do you feel what dRuby is?
    For details, read the book.
    

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