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B2Bクラウドサービスをゼロから立ち上げて、利用社数が1000社を超えるまでの道のり / a startup started B2B SaaS business from ground zero

Kizashi Nagata
September 28, 2018

B2Bクラウドサービスをゼロから立ち上げて、利用社数が1000社を超えるまでの道のり / a startup started B2B SaaS business from ground zero

2018/9/28 デブサミ関西発表資料

Kizashi Nagata

September 28, 2018
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    w ࣗࣾ101αʔόʔઃఆ w ࣗಈϧʔϧʢϑΟϧλʣ w ςϯϓϨʔτ w ݕࡧ w ҹ࡮ w ϝʔϧιʔεදࣔ w ૹ৴લϓϨϏϡʔ w ૹ৴औΓফ͠
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    monit[5690]: 'unicorn_relationapp_worker3' mem amount of 2200536kB matches resource limit [mem amount>358401kB]
  9. ܦݧͨ͠τϥϒϧʢʣ !35 w ݪҼ͸ແବͳ"DUJWF3FDPSEΦϒδΣΫτͷੜ੒ class Mail < ActiveRecord::Base has_many :model_a

    # mail_id ΛؚΉ has_many :model_b # mail_id ΛؚΉ has_many :model_c # mail_id ΛؚΉ Mail.order(:id).eager_load( :model_a, :model_b, :model_c ).where(...)limit(limit).offset(offset) ؔ࿈ςʔϒϧͷ৘ใΛؚΊͯઌߦಡΈࠐΈͰҰؾʹऔಘ
  10. ܦݧͨ͠τϥϒϧʢʣ !36 w ੜ੒͞ΕΔ42-͸-&'5065&3+0*/ͷ࿈࠯ SELECT mails.*, model_a.*, model_b.*, model_c.* FROM

    mails LEFT OUTER JOIN model_a ON mails.id = model_a.mail_id LEFT OUTER JOIN model_b ON mails.id = model_b.mail_id LEFT OUTER JOIN model_c ON mails.id = model_c.mail_id : ࣮ࡍ͸΋ͬͱͨ͘͞Μ+0*/͍ͯͨ͠ ΄͍͠ϝʔϧσʔλ͸݅ͩͬͨͷʹɺ42-Ͱ͍݅ۙ݅਺Λऔಘ Ճ͑ͯɺ֤ϞσϧͷΦϒδΣΫτੜ੒ʹ͕͔͔͍࣌ؒͬͯͨ