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広告配信サーバーの設計について / Speee Engineer Meeting 2016-06-22
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yuma iwasaki
July 04, 2016
Programming
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2.4k
広告配信サーバーの設計について / Speee Engineer Meeting 2016-06-22
yuma iwasaki
July 04, 2016
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Transcript
৴αʔόʔઃܭ ʹ͍ͭͯ 2016-07-04 Speee Engineer Meeting @suthio
ΞδΣϯμ • Πϯλʔωοτࠂʹ͍ͭͯ • ৴αʔόʔઃܭ • ·ͱΊ
Έͳ͞Μʂ Πϯλʔωοτࠂ ͖Ͱ͔͢ʁ
Έͳ͞Μʂ Πϯλʔωοτࠂʹ ׳Εͯ·ͤΜ͔ʁ
None
None
None
ੈքͰҰ൪ࠂ͕ଟ͍αΠτͬ ͯݟͨ͜ͱ͋Γ·͔͢ʁ
None
None
ు͖ͦ͏ɻ
ࠂͷΠϝʔδ • ᓔಃ͍͠ɺअຐ • ΫϦοΫͨ͘͠ͳ͍
Γ߹͍ʹฉ͍ͨ • Youtubeૣ͘ݟ͍ͨ • ؒҧ͑ͯԡ͢ͱΠϥοͱ͢Δ • ͳΜ͔͍ͭͯ͘Δͷා͍ʢϦλʔήςΟϯάʣ
ੲ͔Β͜͏Ͱ͚ͨͬ͠ʁ
None
2010͔Βͷ 4ϲ݄ຖͷΫϦοΫͷਪҠ
ΫϦοΫ ࣮֬ʹԼ͕͍ͬͯΔ
None
None
Ϣʔβʔແҙࣝʹ ࠂΛແࢹ͍ͯ͠Δ
Ϣʔβʔ͕ݡ͘ͳͬͨ
ΫϦοΫ͞Εͳ͘ͳΔͱ Ͳ͏ͳΔͷ͔ʁ
ΫϦοΫ͞Εͳ͘ͳΔͱʁ • ϝσΟΞɿऩӹੑͷԼ • ࠂओɿϢʔβʔʹಧ͚͍ͨϝοηʔδ͕ ಧ͚ΒΕͳ͍
݁ՌతʹϢʔβʔʹ ྑ࣭ͳهࣄΛ ఏڙͰ͖ͳ͘ͳͬͯ͠·͏
Ϣʔβʔ͔ΒݏΘΕͳ͍ܗͰ ࠂΛग़͢ඞཁ͕ग़͖ͯͨ
ͦ͜ͰωΠςΟϒΞυ
ωΠςΟϒΞυʁ • ϢʔβʔʹετϨεΛ༩͑Δ͜ͱͳ͘ɺ ࠂΛग़ߘͰ͖Δ • σΟεϓϨΠࠂͷ3ഒۙ͘ͷΫϦοΫ • ʹରͯ͠ೃછΜͩࠂΛ ఏڙ͢Δ͜ͱ͕Մೳ
CONFIDENTIAL CONFIDENTIAL CONFIDENTIAL ネイティブアドの種類 ᶃΠϯϑΟʔυܕ ᶄϖΠυαʔνܕ ᶇωΠςΟϒΞυཁૉΛ࣋ͭ ΠϯΞυܕ ᶅϨίϝϯυΟδΣοτܕ ᶆϓϩϞʔτϦεςΟϯάܕ
ᶈΧελϜܕ ৯ϩά LINEελϯϓ Above the Law ※IABʢInteractive Advertising Bureauʣج४ʹΑΔ ωΠςΟϒΞυ
http://markezine.jp/article/detail/21916
http://markezine.jp/article/detail/21916
ϨίϝϯυΟδΣοτͱʁ • ϢʔβʔʹαΠτͷϨίϝϯυهࣄͱ ࠂΛಉ࣌ʹ৴ɺදࣔ • ͷܝࡌഔମදࣔϑΥʔϚοτ͔Βɺ ϢʔβʔભҠઌ͕ίϯςϯπͰ͋Δ͜ͱΛ ࣗવͱظ͍ͯ͠Δঢ়ଶͱͳ͍ͬͯΔ
ϨίϝϯυΟδΣοτͱʁ • ͱ͍͏͜ͱ༷ʑͳύλʔϯͷϨίϝϯυ͕ ඞཁɻ • ࠓهࣄ͝ͱʹϨίϝϯυΛߦ͍ͬͯΔ
None
ϨίϝϯυΟδΣοτͱʁ • ͱ͍͏͜ͱ༷ʑͳύλʔϯͷϨίϝϯυ͕ ඞཁɻ • ݱࡏهࣄ͝ͱʹϨίϝϯυΛߦ͍ͬͯΔ
৴αʔόʔඞཁཁ݅ • ResponseΛ100msҎʹฦ͢ඞཁ͕͋Δ • هࣄຖʹग़͢ϨίϝϯυσʔλΛม͑Δ • ߴτϥϑΟοΫʹ͑͏Δ
৴αʔόʔ࡞Δ࣌ʹ ߟ͑ͨ͜ͱ • 1͙Β͍ࠓͷઃܭͷ··͑ΒΕΔΑ͏ʹ ͓͖͍ͯͨ͠ • ։ൃظ͕͍ؒʢ1ϲ݄ʣͷͰෳࡶͳ࣮ ͨ͘͠ͳ͍
࠷ॳͷઃܭ
None
Redisͱʁ • ϝϞϦ্ʹKey-ValueετΞ(KVS)Λߏங͢Δ͜ͱ ͕Ͱ͖ΔιϑτΣΞ • ϝϞϦ্ʹσʔλΛ֨ೲ͢ΔͷͰɼඇৗʹߴʹ σʔλͷॻ͖ࠐΈɾಡΈࠐΈΛߦ͏͜ͱ͕Ͱ͖Δ • σʔλͷӬଓԽ͕Մೳ •
ಋೖ࣌σʔλྔͷ2ഒͷϝϞϦ͕ඞཁ
࠷ॳͷઃܭ • masterRedisΛ༻ҙͯ͠ϨϓϦέʔγϣϯ • slaveRedisϩʔΧϧʹ࣋ͭ
None
͕ൃੜ
σʔλྔΛܭࢉͨ͠Βɺ ϝϞϦʹΓΒͳ͍͜ͱ͕ ໌
RedisͰ࣮͢Δ߹ɺ 1ޙʹ120GBͷϝϞϦ͕ ඞཁͳఆͩͬͨ
ผͷ࣮Λߟ͑ͨ
None
DynamoDBͱʁ • શϚωʔδυܕͷ NoSQLͷσʔλϕʔεαʔϏε • UZOUͷ৴ͰKVSͱͯ͠༻͍ͯ͠Δ
DynamoDBͷಛ • ཧָ͕ʂ • ༰ྔͷ૿ՃΛؾʹ͠ͳͯ͘ྑ͍ • ݕࡧɺूܭऑ͍ • ͍ϨΠςϯγ
DynamoDBͷϢʔεέʔε • KVSͱͯ͠ • ࠂήʔϜͳͲͷߦಈཤྺDBͱͯ͠ • ϞόΠϧΞϓϦͷόοΫΤϯυͱͯ͠ - ϞόΠϧΞϓϦ͔ΒࢀরͰ͖ΔDBͱͯ͠
http://www.slideshare.net/AmazonWebServicesJapan/ 20150805-aws-blackbeltdynamodb
UZOUͰͷ৴αʔόʔઃܭ ֆΛೖΕΔɻ
UZOUͰͷ৴αʔόʔઃܭ
Ͳ͏ͬͯɺDynamoDBʹ ৴σʔλΛೖΕ͍ͯΔ͔
ݩʑͷఆ
DynamoDB ॻ͖ࠐΈΩϟύγςΟෆ
SleepೖΕͳ͕ΒϦτϥΠ
ͱ͔ͬͯͨΒऑ
None
Write࣌ͷӡ༻ํ๏ • 1ʹҰLambda͕ىಈ͢ΔΑ͏ʹεέ δϡʔϦϯάͯ͠SQS͕ಈ͘Α͏ʹ͢Δ • ୠ͠ɺLambda5ʹҰͷ εέδϡʔϦϯά͔͠࡞Εͳ͍
ΠϕϯτιʔεΛ 5ͭ࡞ͬͯղܾ
cron(*/5 * * * ? *) cron(1,6,11,16,21,26,31,36,41,46,51,56 * * *
? *) cron(2,7,12,17,22,27,32,37,42,47,52,57 * * * ? *) cron(3,8,13,18,23,28,33,38,43,48,53,58 * * * ? *) cron(4,9,14,19,24,29,34,39,44,49,54,59 * * * ? *)
None
ҋͬΆ͍
ঘɺࠓղܾࡁ
rate(1 minutes)
ݱࡏͷ৴αʔόʔ • 1ͨΓɺඵؒ500ΞΫηεࡹ͚Δ • DynamoDBʹ1ΞΫηεͨΓɺ10ms
DynamoDBΛӡ༻͢Δ্Ͱ ؾΛ͚ͭΔ͜ͱ
ΩϟύγςΟϢχοτ
ΩϟύγςΟϢχοτͱʁ • ͬ͘͟Γݴ͏ͱͲΕ͚ͩॻ͖ࠐΊΔ͔ɺ ͲΕ͚ͩಡΈࠐΊΔ͔ΛܾΊΔͭ
ΩϟύγςΟϢχοτͱʁ • ߴΊʹઃఆ͢Δͱ͓͕͔͔ۚΔɻ • Ίʹઃఆͯ͠ΩϟύγςΟϢχοτҎ্ ༻͢Δͱॲཧʹࣦഊ͢Δ • ಡΈࠐΈɺॻ͖ࠐΈݸผʹઃఆ͢Δ
None
͋Εɺ͑ͯΔͷʹ͑ͯΔʁ
ͳͥ͜Μͳ͜ͱ͕ى͜Δͷ͔ʁ
όʔετΩϟύγςΟ • ར༻͞Εͳ͔ͬͨύʔςΟʔγϣϯͷΩϟύ γςΟΛաڈ300ඵ·ͰϦβʔϒ͞ΕΔ͘͠ Έɻ • όʔεττϥϑΟοΫʹ͑ΒΕΔɻ
None
DynamoDBͷಡΈࠐΈྔ͕ ಡΊͳ͍
ࠓճͷ৴αʔόʔͷઃܭͩ ͱɺϦΫΤετ͕૿͑Ε૿ ͑Δ΄ͲɺDynamoDBͷෛՙ ૿͍͑ͯ͘༧ఆ
ReadରࡦҊ • ༧ΊଟΊʹΩϟύγςΟϢχοτΛઃఆͯ͠ ͓͘ • DynamoDBͷReadʹࣦഊͨ͠Β༧Ί༻ҙͯ͠ ͓͍ͨɺσϑΥϧτࠂΛग़͢ • DynamoDBͷΩϟύγςΟϢχοτΛಈతʹ มߋ
DynamoDBͷ AutoScalaΛ͠Α͏
None
None
LambdaͰղܾ
http://dev.classmethod.jp/etc/auto- scaling-dynamodb-by-lambda/
Ծઆɺݕূ
Ծઆ1
ݟͯΔهࣄʹΑΓྨࣅͨ͠ ࠂɺهࣄͩͬͨΒΫϦοΫ ͞Ε͘͢ͳΔΜ͡Όͳ͍͔ʁ
Ͳ͏Β߹͍ͬͯΔΑ͏ͩ
ࡉ͔͘ݕূɺݕূ