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iQONを支えるクローラー/iQON Crawler
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Masayuki Imamura
June 17, 2015
Programming
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iQONを支えるクローラー/iQON Crawler
IVS CTO Night & Day Spring 2015 のLTで発表した内容です /VASILY @kyuns
Masayuki Imamura
June 17, 2015
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Transcript
BEHIND the iQON CRAWLER iQONΛࢧ͑ΔΫϩʔϥʔ VASILY,Inc. @kyuns IVS CTO Night
& Day 2015 Spring powered by AWS
ࠓଜխ @kyuns / Ωϡϯ VASILY,Inc औకCTO / Co-Founder 2006ʹYahoo!JAPANʹ৽ଔೖࣾ Yahoo!FASHIONɺXBRANDͳͲͷϝσΟΞͷ্ཱͪ͛
2009ʹಠཱɺVASILYΛۀɺऔకCTOʹब ͖ͳ"84αʔϏε4͖ͳ༏ਫथಸʑ
ઃཱ :200811݄ ैۀһ :53ਓ / (ΤϯδχΞ17໊) ࢿຊۚ :8ԯ2,458ສ גओɹ :KDDI
ITV GCP GMOVP
None
ຊதͷECαΠτͷ σʔλΛܝࡌ ຊ࠷େڃͷ ϑΝογϣϯΞϓϦʮΞΠίϯʯ ձһ 230ສਓ
J20/ͷ ΫϩʔϥʔͬͯԿʁ
Λ͑ΔຊதͷϑΝογϣϯ&$αΠτͷσʔλΛ શͯΫϩʔϧɺஈɺࣸਅɺઆ໌ɺࡏݿΛॲཧ
ͱ͋ΔனԼ͕Γʜ
ਓؾ501ϒϥϯυ ͍͍ײ͡ʹશ෦Ϋϩʔϧͯ͠Α
ཱ͔ͪͩΔ՝ w ϒϥϯυҎ্ΛຖΫϩʔϧ͢Δʹ εέδϡʔϥʔΛޮԽ͠ͳ͍ͱ͍͚ͳ͍ w ΧςΰϦఆϞϊɺϞσϧɺτϧιʔͷఆͳ Ͳɺਓ͕͍ؒͯͨ͜͠ͱΛແ͘͞ͳ͍ͱ͍͚ͳ͍ w ͦͦ91"5)Λਓ͕ؒௐΔͷΛͳΜͱ͔͠ͳ ͍ͱ͍͚ͳ͍
iQON Crawler 4.0 = શࣗಈԽ
ΧςΰϦఆͷࣗಈԽ w ͋ΒΏΔϑΝογϣϯ༻ޠΛཏͨ͠ ϑΝογϣϯʹಛԽͨࣙ͠ॻΛੜ w &$αΠτͷλΠτϧɺઆ໌จɺͺΜͣ͘Ϧετ͔ΒεςοϓΛܦͯఆ จ຺ͷఆͳͲߦ͍ͬͯΔ ྫʮΊͪΌͪ͘Ό͔Θ͍͍όοάʂεΧʔτʹ͋͏ʂʯͷઆ໌จͷ߹εΧʔ
τʹޡఆ͠ͳ͍Α͏ͳจ຺Λҙࣝͨ͠ॲཧʣ w ͷ্هεςοϓ͔ΒఆͰ͖Δ w ϓϧΦʔόʔͱ͔5γϟπʹϒϥεʹྨͰ͖ͯ͠·͏ αΠτ͝ͱʹఆ͕ٛҧͬͨΓ͢Δ w Γͷෳࡶͳͷػցֶशʹ͔͚ͯఆ
ը૾ఆͷࣗಈԽ ϞϊɺϞσϧɺτϧιʔΛը૾ղੳΛۦͯ͠ɺࣗಈతʹఆɻ ྨਫ਼ˋ ͞ΒʹɺϞϊը૾ΤσΟλͰ͏ͨΊʹനൈ͖ॲཧΛશࣗಈͰߦ͏
91"5)நग़ͷࣗಈԽ &$αΠτͷߏΛӡӦ ϕϯμʔաڈͷใΛ ݩʹಛԽ %0.ͷߏ͔Β֤ཁૉ Β͖͠ͷΛஅ ஈɺ λΠτϧ πʔϧͰ91"5)ཧ
ޮͷ͍͍Ϋϩʔϧͱ w ΫϩʔϧͷXPSLFSΛHPͰॻ͖ͳ͓ͯ͠ EPDLFS &MBTUJD#FBOTUBMLͰBVUPTDBMFͰΫϩʔϧ͠·͘Γʂ ઌํͷαΠτ͕͙͢ࢮ͵ w ͷน αΠτඵΞΫηε·Ͱͱ͍͏ਈ࢜ڠఆ
w ෳXPSLFSΛ·͍ͨͩࢄϩοΫػߏ͕ඞཁ
w %JTUSJCVUFE-PDLXJUI3FEJT %-. IUUQSFEJTJPUPQJDTEJTUMPDL w ಠࣗʹ࣌ݶ͖ࢄϩοΫSFEJTEJTUNVUFYΛ։ൃ WBTJMZKQSFEJTEJTUNVUFY w ٕज़ϒϩάIUUQUFDIWBTJMZKQDSBXMTJUFTXJUISFEJTEJTUNVUFY
w αΠτͷϨεϙϯεੑೳʹؔͳ͘ҰఆִؒͰޮతʹΫϩʔϧͰ͖Δ Resque (fetch) Fetch worker &$4JUF Dist Mutex Resque (process) Fetch worker Fetch worker Sender 1.enqueue 2.dequeue 3.try_lock 4.get DB 5.save 6.enqueue
·ͱΊ w $&0ͷແͿΓʹٕज़ͰԠ͑Α͏ w Ϋϩʔϥʔʹ͍ͭͯฉ͖͍ͨਓ͓ͪͯ͠·͢