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技術的負債にどう挑むか? / SMS Tech Casual Talks 2017.04
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changeworld
April 18, 2017
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技術的負債にどう挑むか? / SMS Tech Casual Talks 2017.04
『SMS Tech Casual Talks 2017.04』で講演した『技術的負債にどう挑むか?』
changeworld
April 18, 2017
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Transcript
© 2017 Takashi Takebayashi Takashi Takebayashi(a.k.a changeworlds) ٕज़తෛ࠴ʹ Ͳ͏Ή͔ʁ SMS
Tech Casual Talks 2017.04
© 2017 Takashi Takebayashi Hi everyone,
© 2017 Takashi Takebayashi The first publication of a writing
اը: தଜ͞Μ ޠpart: ۲ా͞Μ, ੴਆ͞Μ, ྛ ٕज़part: ُ͞Μ, ਗ਼ਫ͞Μ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ͱԿ͔ʁ ٕज़తෛ࠴ͲͷΑ͏ʹى͜Δ͔ʁ ٕज़తෛ࠴ʹͲ͏औΓΉ͔ʁ ·ͱΊ ຊͷΞδΣϯμ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ͱԿ͔ʁ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ͱԿ͔ʁ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ٕज़తෛ࠴ is લआΓ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar લआΓ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ is લआΓ https://pbs.twimg.com/media/CXXv82GUsAAqJd1.jpg લआΓ ण໋ΛͬͯࠓͷઓಆೳྗΞοϓ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ ͲͷΑ͏ʹى͜Δ͔ʁ
© 2017 Takashi Takebayashi Ϝμͷߏͱϓϩηε https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ٕज़తෛ࠴ܽؕͷੵͰ͋Δ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi རࢠͷࢧ͍࣌ؒͷϜμ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ѱ॥ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ෛ࠴ͷՄೳੑ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ෛ࠴ͷՄೳੑ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar ෛ࠴ͷՄೳੑ มߋ x ෳࡶ
/ ࣭ͷίϯτϩʔϧ۩߹
© 2017 Takashi Takebayashi ࣭ͷίϯτϩʔϧ۩߹͕େ͖͚Εɺมߋෳࡶ ͕ߴͯ͘ɺٕज़తෛ࠴ͷՄೳੑେ͖͘ͳΒͳ ͍ ٯʹɺ࣭ͷίϯτϩʔϧ۩߹͕͚Εɺมߋ ෳࡶ͕ͯ͘ɺٕज़తෛ࠴ͷՄೳੑ͕େ͖͘ͳ Δ
ٕज़తෛ࠴ͷՄೳੑ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ʹ Ͳ͏औΓΉ͔ʁ
© 2017 Takashi Takebayashi Step1: ࠜຊݪҼΛಛఆ͢Δ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi Step2: ͦΕʹରॲ͢Δ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ։ൃऀͱͯ͠ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ։ൃऀ: ࣭Λ্ͤ͞Α͏ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ։ൃऀ: ઃܭΛຏ͜͏ https://www.slideshare.net/bigvisible/managing-technical-debt-2011-webinar
© 2017 Takashi Takebayashi ࣮ફ ʢͬͯΈͨʣ
© 2017 Takashi Takebayashi ঢ়Λݟ͚ͭΔ ηογϣϯڞ༗ϑΝΠϧ͕NFSʹ͋ΓɺՄ༻ੑࠓޙͷ֦ॆʹ՝༗ “ͳͥͦΕ͕ىͬͨ͜ͷ͔ʁ”ɺ“ͳʹ͕ݪҼ͔ʁ”Λࣗ͢Δɻ ࠜຊݪҼʹͨͲΓͭ͘·Ͱ“ͳͥʁ”Λ܁Γฦ͢ ϑΝΠϧҎ֎Ͱηογϣϯڞ༗ͷํ๏ΛΒͳ͔͔ͬͨΒ? RedisΛઃܭ࣌ͷਓ͕Βͳ͔͔ͬͨΒ?
࣮ફ1: NFS Step1
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ NFSґཔ͞ΕͨͷͰࣗͷίϯτϩʔϧʹ͋ΔͱࢥͬͨͷͰ͠ʹ औΓֻ͔ͬͨ ࣮ફ1:
NFS Step2
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture উͬͨο!ୈ3෦!
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture http://checkmate-blog.com/wp-content/uploads/2016/11/a00567-1.jpg Mxstxrਆʮ(લུ)ͦΕHAProxy͡Όͳͯ͘
Route53ͷ͓ࣄͳؾ͕͠·͢Ͷɻʯ->
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture before
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture after
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture after উͬͨο!ୈ3෦!
উͬͨο!ୈ3෦!(2ճ)
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture উͬͨο!ୈ3෦! http://checkmate-blog.com/wp-content/uploads/2016/11/a00567-1.jpg
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture উͬͨο!ୈ3෦! http://checkmate-blog.com/wp-content/uploads/2016/11/a00567-1.jpg
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Architecture উͬͨο!ୈ3෦! sxnaxtਆʮʯ->
http://checkmate-blog.com/wp-content/uploads/2016/11/a00567-1.jpg
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 Mxstxrਆ, sxnaxtਆʮʯ-> http://checkmate-blog.com/wp-content/uploads/2016/11/a00567-1.jpg
© 2017 Takashi Takebayashi ࣮ફ1: NFS Step2 άΤʔࢮΜͩϯΰ http://checkmate-blog.com/wp-content/uploads/2016/11/a00567-1.jpg
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ NFSґཔ͞ΕͨͷͰࣗͷίϯτϩʔϧʹ͋ΔͱࢥͬͨͷͰ͠ʹ औΓֻ͔ͬͨ ৭ʑ՝Λࢦఠ͞Εɺʑແࣄࢮͭͭ͠ɺલਐ͍ͯͨ͠
ݱࡏࣗͷίϯτϩʔϧ֎ ࣮ફ1: NFS Step2
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ NFSґཔ͞ΕͨͷͰࣗͷίϯτϩʔϧʹ͋ΔͱࢥͬͨͷͰ͠ʹ औΓֻ͔ͬͨ(͕ɺ) ৭ʑ՝Λࢦఠ͞Εɺʑແࣄࢮͭͭ͠ɺલਐ͍ͯͨ͠(͕ɺ)
AWSͷRedis(Amazon ElastiCache)ͷར༻ඞਢʹํస͕͋ͬͨ(ͨΊɺ) ݱࡏࣗͷίϯτϩʔϧ֎(←Amazon ElastiCacheʹAWS͔Β͔͠ΞΫη εͰ͖ͳ੍͍ݶ͕͋ΔͨΊ) ࣮ફ1: NFS Step2 ແࣄࢮ େࣄͳ͜ͱͳͷͰ(ry ແࣄࢮ
© 2017 Takashi Takebayashi ঢ়Λݟ͚ͭΔ Sticky Session͕ઃఆ͞Ε͓ͯΓɺ͏·͘ෛՙ͕ࢄ͞Εͳ͍՝༗ “ͳͥͦΕ͕ىͬͨ͜ͷ͔ʁ”ɺ“ͳʹ͕ݪҼ͔ʁ”Λࣗ͢Δɻ ࠜຊݪҼʹͨͲΓͭ͘·Ͱ“ͳͥʁ”Λ܁Γฦ͢ ηογϣϯͷγϦΞϥΠζԽΛΒͳ͔͔ͬͨΒ?
αʔό͕JBoss, GlassFishͰ·͍͠γϦΞϥΠζԽ͕Ͱ͖ͳ͔͔ͬͨΒ? [֬ఆ]ϦϦʔε࣌ʹJBossͩͱΤϥʔʹͳͬͨͷͰɺٸᬎBPGlassFishʹͨ͠ ͔Β? ͦͷޙɺΤϥʔͷݪҼಛఆΛ͠ͳ͔͔ͬͨΒ? ࣮ફ2: Sticky Session Step1
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ Sticky Sessionґཔ͞ΕͨͷͰࣗͷίϯτϩʔϧʹ͋ΔͱࢥͬͨͷͰ͠ʹऔΓֻ͔ͬͨ JBoss,
GlassFishͰSticky Sessionௐࠪͷ݁Ռɺඇৗʹ͍͠ -> Tomcatʹมߋͯ͠ྑ͍ͱڐՄΒ͍ɺଓߦ Tomcatʹม͑ͯγϦΞϥΠζԽͰΤϥʔɺҎԼௐࠪͯ͠Βͬͨ݁Ռ Hibernate, Log4Jͷόά(॥ࢀর) HibernateΛόάղফ൛·ͰόʔδϣϯΞοϓͯ͠Log4JͷͨΊʹղফ͕͍͠(Өڹൣғଟ͖ա͗Δ) γϦΞϥΠζ௨Βͳ͘ͳΔͷΛ։ൃ͠ͳ͕ΒݕͰ͖ΔΑ͏ͳঢ়ଶʹͳ͍ͱɺͭ·Γ࠷ॳظͷϛ χϚϜ͔࣌Βηογϣϯ֎෦Խ͞Εͯͳ͍ͱ͜Εͳ͔ͳ͔࣮ݱ͍͠ͷͰͳ͍͔ ͜ΕΛ࣮ݱ͠Α͏ͱࢥͬͨΒΞʔΩςΫνϟ৽͘͢͠ΔͳΓͯ͠ɺSpringSession ͱ͔Λ͍ͬͯ͘ͷ ͕Α͍ͷͰͳ͍͔ ݱࡏࣗͷίϯτϩʔϧ֎(←ΞʔΩςΫνϟ৽ͰӨڹൣғେ͖ա͗Δ) ࣮ફ2: Sticky Session Step2
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ NFSґཔ͞ΕͨͷͰࣗͷίϯτϩʔϧʹ͋ΔͱࢥͬͨͷͰ͠ʹ औΓֻ͔ͬͨ(͕ɺ) ৭ʑ՝Λࢦఠ͞Εɺʑແࣄࢮͭͭ͠ɺલਐ͍ͯͨ͠(͕ɺ)
AWSͷRedis(Amazon ElastiCache)ͷར༻ඞਢʹํస͕͋ͬͨ(ͨΊɺ) ݱࡏࣗͷίϯτϩʔϧ֎(←Amazon ElastiCacheʹAWS͔Β͔͠ΞΫη εͰ͖ͳ੍͍ݶ͕͋ΔͨΊ) ࣮ફ2: Sticky Session Step2 ແࣄࢮ େࣄͳ͜ͱͳͷͰ(ry ແࣄࢮ
© 2017 Takashi Takebayashi ঢ়Λݟ͚ͭΔ αʔόߏஙͰChefͱखಈ͕ࠞࡏ͓ͯ͠Γɺಉ͡ڥ͕࠶ݱͰ͖ͳ͍ “ͳͥͦΕ͕ىͬͨ͜ͷ͔ʁ”ɺ“ͳʹ͕ݪҼ͔ʁ”Λࣗ͢Δɻ ࠜຊݪҼʹͨͲΓͭ͘·Ͱ“ͳͥʁ”Λ܁Γฦ͢ ChefΛ͖ͳϑϨϯζͱݏ͍ͳϑϨϯζ͕͍͔ͨΒ? ChefΛ͖ͳϑϨϯζ͕ୀ৬͔ͨ͠Β?
࣮ફ3: NFS&खಈߏங Step1
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ Terraform(Hashicorp)ͱ͍͏IaCπʔϧͰڥΛߏங ࠓͷͱ͜ΖඈΜͰདྷ͍ͯͳ͍͕ɺ༉அ͢Δͱ͙͢ʹແࣄࢮ͢ ΔͷͰɺҙͭͭ͠ணखதɹˡɹΠϚίί
࣮ફ3: NFS&खಈߏங Step2
© 2017 Takashi Takebayashi ࣗͷίϯτϩʔϧʹ͋Δ߹ɺ͢ʂ Өڹ͕͋ͬͯखʹෛ͑ͳ͍߹ɺڞ௨ͷඪʹ͢Δ ࣗͷίϯτϩʔϧ֎ʹ͋Δ߹ɺӨڹΛ͑Δ NFSґཔ͞ΕͨͷͰࣗͷίϯτϩʔϧʹ͋ΔͱࢥͬͨͷͰ͠ʹ औΓֻ͔ͬͨ(͕ɺ) ৭ʑ՝Λࢦఠ͞Εɺʑແࣄࢮͭͭ͠ɺલਐ͍ͯͨ͠(͕ɺ)
AWSͷRedis(Amazon ElastiCache)ͷར༻ඞਢʹํస͕͋ͬͨ(ͨΊɺ) ݱࡏࣗͷίϯτϩʔϧ֎(←Amazon ElastiCacheʹAWS͔Β͔͠ΞΫη εͰ͖ͳ੍͍ݶ͕͋ΔͨΊ) ݁ʂʂ લआΓɺμϝઈରʂ େࣄͳ͜ͱͳͷͰ(ry લआΓɺμϝઈରʂ
© 2017 Takashi Takebayashi ·ͱΊ
© 2017 Takashi Takebayashi ٕज़తෛ࠴ͱઌͷͨΊʹະདྷΛ٘ਜ਼ʹ͢Δ͜ͱ ٕज़తෛ࠴ѱ॥͔ΒੜΈग़͞ΕΔͷͰɺ࣭ͷ ίϯτϩʔϧʹཹҙ͠Α͏ ։ൃऀϙʔτϑΥϦΦʹࢿ͠Α͏ ࣭Λ্ͤ͞Α͏ σβΠϯΛຏ͜͏
·ͱΊ
© 2017 Takashi Takebayashi Thank you for your attention. Any
questions?
© 2017 Takashi Takebayashi http://shisly.cocolog-nifty.com/photos/uncategorized/2015/04/18/martin_luther5.jpg