Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Chasing the Elephant

Avatar for Theo Hultberg Theo Hultberg
August 15, 2013
Programming
110
0

Chasing the Elephant

JRubyConfEU 2013

Avatar for Theo Hultberg

Theo Hultberg

August 15, 2013

More Decks by Theo Hultberg

See All by Theo Hultberg
Datalakes at AWS Summit Stockholm 2018
Avatar for Theo Hultberg iconara
0
110
Building a CQL driver
Avatar for Theo Hultberg iconara
0
86
Learning to Build Distributed Systems the Hard Way
Avatar for Theo Hultberg iconara
1
160
Learning to Build Distributed Systems the Hard Way
Avatar for Theo Hultberg iconara
2
230
Learning to Build Distributed Systems the Hard Way 
Avatar for Theo Hultberg iconara
3
5.2k
Concurrency and Distributed Systems in JRuby
Avatar for Theo Hultberg iconara
3
700
A Guide to the Post Relational Revolution
Avatar for Theo Hultberg iconara
4
5.4k
Standing on the Shoulders of Giants with JRuby
Avatar for Theo Hultberg iconara
4
180
Shortcuts Around the Mistakes I've Made Scaling MongoDB
Avatar for Theo Hultberg iconara
4
180

Other Decks in Programming

See All in Programming
AWS DevOps Agentで インシデント対応をAIに任せたい
Avatar for HonMarkHunt honmarkhunt
6
2.5k
FastAPI の並行処理モデルを完全に理解する
Avatar for Yuki Ishikawa hoto17296
9
3.8k
Go × SIMDで高速化するベクトル検索 ~ルーフラインモデルでSIMDが効く境界を探れ！ ~
Avatar for po3rin po3rin
1
110
AI駆動開発にグラフDBを重ねてみた
Avatar for Satoshi Kaneyasu satoshi256kbyte
2
750
Swift愛好会100回記念 第1回を振り返る
Avatar for jollyjoester jollyjoester
0
120
PyConJP2026_wat_Python × Signal Processing: How to Draw Pictures with Sound Using Spectrogram Art
Avatar for wat wat
0
670
XP祭りでしか伝わらないフリップネタ #xpjug
Avatar for bayashi murabayashi
0
110
AIと壁打ちしながら進めるコスト管理
Avatar for Ryoma Fujiwara fufuhu
2
1.9k
From 6 People Classroom Meetup to 100 People Regional Conference / FOSS4G Hiroshima 2026
Avatar for YFurukawa furukawayasuto
0
110
新卒PdEのリアル
Avatar for ryu ryu1013
1
420
一参加者から『中の人』へ 〜全通PHPerがブースに立って学んだ、カンファレンスを100倍楽しむコツ〜
Avatar for 藤掛大介 wp_daisuke
0
120
高専、大学編入、そして未踏へ〜プロダクト開発とキャリアの歩み - Technical College, University Transfer, and On to “Mitou” / My Journey in Product Development and Career
Avatar for __pkmiya pkmiya
0
140

Featured

See All Featured
Collaborative Software Design: How to facilitate domain modelling decisions
Avatar for Kenny Baas-Schwegler baasie
1
310
State of Search Keynote: SEO is Dead Long Live SEO
Avatar for Ryan Jones ryanjones
0
260
Java REST API Framework Comparison - PWX 2021
Avatar for Matt Raible mraible
34
9.7k
Chasing Engaging Ingredients in Design
Avatar for Sebastian Deterding codingconduct
0
300
[SF Ruby Conf 2025] Rails X
Avatar for Vladimir Dementyev palkan
2
1.3k
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
Avatar for Ines Montani inesmontani
PRO
3
2.4k
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
615
220k
職位にかかわらず全員がリーダーシップを発揮するチーム作り / Building a team where everyone can demonstrate leadership regardless of position
Avatar for MADOX madoxten
69
65k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
Avatar for Kenny Baas-Schwegler baasie
0
510
Testing 201, or: Great Expectations
Avatar for Joseph Mastey jmmastey
46
8.3k
Building Applications with DynamoDB
Avatar for Matt Wood mza
96
7.2k
How Software Deployment tools have changed in the past 20 years
Avatar for Geshan Manandhar geshan
1
34k

Transcript

  1. @iconara CHASING THE ELEPHANT

  2. Theo / @iconara

  3. chief architect at BURT

  4. big data analytics with JRuby

  5. RUBY

  6. RUBY

  7. RUBY JRUBY

  8. JRUBY IS AWESOME BECAUSE RUBY IS GREAT, AND THE JVM

    IS GREAT

  9. hot_bunnies, eurydice, multimeter, mikka, msgpack-jruby

  10. None

  11. HADOOP

  12. JRUBY SUPERCOMPUTING 40 TiB data, 120 EC2 cc2.8xlarge, 1920 cores,

    7260 GiB RAM

  13. JAVA ALL THE WAY DOWN

  14. HADOOP STREAMING Wukong, Dumbo

  15. RUBYDOOP rubydoop.org + =

  16. None
  17. None

  18. main()

  19. Class.forName("...")

  20. Class.forName("...")

  21. None

  22. module WordCount class Mapper def map(key, value, context) value.to_s.downcase.split.each do

    |word| key = Hadoop::Io::Text.new(word) value = Hadoop::Io::IntWritable.new(1) context.write(key, value) end end end end

  23. RUBYDOOP IS LOW LEVEL I would love to see someone

    write something like Scalding or Cascading on top of it

  24. RUBYDOOP rubydoop.org

  25. RUBYDOOP rubydoop.org v1.1.0

  26. KTHXBAI @iconara github.com/iconara architecturalatrocities.com burtcorp.com