カウルにおけるElasiticsearchの導入と実例

「不動産テック勉強会#4」での発表資料です。
https://itandi.connpass.com/event/43680/

Transcript

1. Χ΢ϧʹ͓͚Δ
   Elasiticsearchͷಋೖͱ࣮ྫ
   Hiroki Matsue
   גࣜձࣾ Housmart CIO
   Nov 25, 2016
   ෆಈ࢈ςοΫษڧձ#4
   

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2. • @macs_6
   • Ruby / iOS / Scrum
   • ࠷ۙͷ೰Έ: KarabinerͰEmacsΩʔϚοϓͰ
   ͖ͳ͍͜ͱ
   

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4. • 97%ͷ෦԰Λ໢ཏ(౦ژ23۠ɾԣ඿ɾਆಸ઒)
   • औҾࣄྫ΍ਪఆՁ֨Ͱదਖ਼Ձ͕֨෼͔Δ
   • ஥հख਺ྉ3%͕࠷େແྉ
   தݹϚϯγϣϯചങઐ໳ͷwebෆಈ࢈
   

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5. Χ΢ϧͰಈ͘
   Elasticsearchͷ࿩
   

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6. ಋೖͷഎܠ
   • ϢʔβͷͨΊʹݕࡧΛ΋ͬͱ࢖͍΍͍ͨ͘͢͠
   • ࣅͨ෺݅ݟ͚ͭ΍͍ͨ͘͢͠
   • ϨεϙϯεΛ଎͍ͨ͘͠
   

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7. ݕࡧΫΤϦ
   

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8. ࣮ݱͨ͜͠ͱɾ͍ͨ͜͠ͱ
   • Ϛϯγϣϯݕࡧ͢ΔࡍͷΩʔϫʔυΛαδΣετ
   • ʮ൒ܘXkmҎ಺ͷϚϯγϣϯʯͷऔಘ
   • 89.8ms => 23.4ms
   • Ϛϯγϣϯݕࡧ(Ҡߦத)
   • ࣅͨϚϯγϣϯͷϨίϝϯυ(͜Ε͔Β)
   

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9. Ϛϯγϣϯ໊αδΣετͷ࿩
   

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10. ߏ੒
    CloudFront
    S3
    ELB Front
    (EC2)
    RDS
    Elasticsearch
    (EC2)
    API
    (EC2)
    

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11. Elasticsearchʹ
    ೖΕ͍ͯΔσʔλɾ༻్
    • σʔλ
    • Ϛϯγϣϯͷ౩ͷϚελσʔλ
    • ༻్
    • ݕࡧϫʔυͷαδΣετ
    • ۙྡͷϚϯγϣϯҰཡͷऔಘ
    

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12. ೉͠͞/޻෉
    • ೉͠͞
    • ೔ຊޠ
    • Ұൠࣙॻʹೖͬͯͳ͍୯ޠ(ϒϥϯυ໊etc)
    • ޻෉
    • ೔ຊޠಛ༗ͷઃఆͷ࡞ΓࠐΈ
    • ର৅σʔλΛԼॲཧ
    

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13. https://medium.com/hello-elasticsearch/elasticsearch-91c9f22c663a
    

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14. Char Filter
    normalize: {
    type: 'icu_normalizer',
    name: 'nfkc',
    mode: 'compose'
    }
    ʮ͔ʯ+ʮʃʯˠʮ͕ʯ
    ʮὦʯˠʮηϯνʯ
    

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15. Ωʔϫʔυೖྗத༻ͷFilter
    ...
    # Πϯϙʔτ࣌
    'lowercase',
    'trim',
    'engram'
    ...
    # ೖྗ࣌
    'lowercase',
    'trim'
    ...
    

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16. Ωʔϫʔυ֬ఆ༻ͷFilter
    ...
    # Πϯϙʔτ࣌
    'lowercase',
    'trim',
    'readingform_neologd_romaji',
    'asciifolding',
    ‘engram'
    ...
    # ೖྗ࣌
    'lowercase',
    ‘trim’,
    'readingform_neologd_romaji',
    'asciifolding'
    ...
    

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17. େ·͔ͳྲྀΕ
    • খจࣈԽ
    • ݴ༿લޙͷۭനจࣈΛ࡟আ
    • ௕͍จࣈ਺ͷ୯ޠΛআ֎
    • ׽ࣈΛϩʔϚࣈʹม׵
    • ΞϧϑΝϕοτม׵ʢhokkaidō → hokkaidoʣ
    ࢀߟ: https://medium.com/hello-elasticsearch/elasticsearch-ΩʔϫʔυαδΣετ೔ຊޠͷͨΊͷઃܭ-352a230030dd
    

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18. ΠϯσοΫεͷલॲཧ
    ྫ͑͹ʰ࿡ຊ໦ώϧζϨδσϯεʱΛ…
    • ʮ࿡ຊ໦ώϧζϨδσϯεʯ
    • ʮ࿡ຊ໦ʯʮώϧζʯʮϨδσϯεʯ
    • ʮ࿡ຊ໦ʯ
    • ʮώϧζʯ
    • ʮϨδσϯεʯ
    • ʮ࿡ຊ໦ʯʮώϧζʯ
    • ʮώϧζʯʮϨδσϯεʯ
    ҙຯͷ͋Δසग़ޠ͕
    αδΣετ͞ΕΔ
    • ஍໊ɾӺ໊
    • ϒϥϯυ໊
    

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19. ࠓޙ΍Γ͍ͨ͜ͱ
    • طଘݕࡧͷஔ͖׵͑(ΫΤϦվमɾࣙॻ֦ॆ)
    • Ϩίϝϯυػೳͷఏڙ
    • PercolatorʹΑΔ৽ண௨஌
    • ӡ༻ڧԽ(HAߏ੒ɾΠϯϙʔτपΓͷઃܭ)
    • etc..
    

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20. ٕज़౤ࢿͷ࣌ؒͮ͘Γ
    http://techblog.housmart.co.jp/2016/03/14/dev_cycle/
    ͍͍͢͢ਫ༵೔
    

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21. We are hiring!
    ϋ΢εϚʔτ@wantedly
    

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