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AWSで冗長化するときに知っておきたいあれこれについてまとめた
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yasuo424
March 22, 2016
Technology
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AWSで冗長化するときに知っておきたいあれこれについてまとめた
yasuo424
March 22, 2016
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Transcript
AWSͰԽ͢Δͱ͖ʹ͓ͬͯ ͖͍ͨ͋Ε͜Εʹ͍ͭͯ·ͱΊͨ 2016.03.22ɹͮձɹvol.3
ࣗݾհ ໊લ:ɹϠελΧ ৬छ:ɹόοΫΤϯυΤϯδχΞ ॅॴ: ɹݝʢ৲ބͷۙ͘ʣ ΤϯδχΞྺ:ɹ̍͘Β͍ LIGྺ:ɹ
AWSͷΦʔτεέʔϧઃఆ
Φʔτεέʔϧͷಛͱར • յΕͨΒ͙͢ަ • ඞཁͳ࣌ʹඞཁͳ͚ͩϦιʔεΛ ֬อ
ΦʔτεέʔϧͷΛ͢Δલʹ… • εέʔϧΞοϓɾɾɾαʔόʔͷεϖοΫΞοϓ • εέʔϧμϯɾɾɾαʔόʔͷεϖοΫμϯ • εέʔϧΞτɾɾɾαʔόʔͷ૿ • εέʔϧΠϯɾɾɾɾαʔόʔͷݮ ΦʔτεέʔϦϯάͷػೳ
Auto Scalingͷجຊతͳߏ Elastic Load Balancing Amazon CloudWatch alarm Auto Scaling
instance instance instance ᶃϦιʔεͷࢹ ᶄᮢΛ͑ͨΒΞϥʔϜ ᶅAuto Scalingͷൃಈ ᶆ৽نΠϯελϯεͷ࡞
Auto Scalingʹ͓͚Δ ̏ͭͷઃఆ߲
Auto Scalingͷઃఆ ᶃىಈઃఆ ᶄAuto Scalingάϧʔϓ ᶅεέʔϦϯάϙϦγʔ →ىಈ͢ΔEC2ΠϯελϯεͷύϥϝʔλΛઃఆ →Auto Scalingͷશମతͳઃܭ (Πϯλϯεͷ࠷େɾ࠷খɾرΛઃఆ)
→εέʔϧϦϯά͢Δ݅ύϥϝʔλͱCloud Watch ɹΛઃఆ
εέʔϦϯάϙϦγʔͷઃఆ ̏छྨͷΞδϟετϝϯτλΠϓ λΠϓ ҙຯ $IBOHF*O$BQBDJUZ ΠϯελϯεΛݱঢ়ͷ͔Βઃఆͨ͠૿ݮͤ͞Δɻ &YBDU$BQBDJUZ ΠϯελϯεΛݱঢ়ͷʹؔͳ͘ৗʹઃఆͨ͠ʹ͢Δɻ 1FSDFOU$IBOHF*O$BQBDJUZ ΠϯελϯεΛઃఆͨ͠Λඦʹجׂͮ͘߹Ͱ૿ݮ͢Δɻ
εέʔϦϯάϙϦγʔͷύϥϝʔλ ໊߲ આ໌ ໊લ 4DBMJOH1PMJDZͷ໊લ ࣍ͷ߹ʹϙϦγʔΛ࣮ߦ 4DBMJOH1PMJDZΛ࣮ߦ͢Δ݅ $MPVE8BUDIͷ"MBSNͰઃఆ ΞΫγϣϯΛ࣮ߦ "VUP4DBMJOHάϧʔϓʹॴଐ͢ΔΠϯελϯεͷ૿ݮͷઃఆ
ͦͷޙػ ଞͷεέʔϦϯάॲཧ͕࣮ߦ͞Ε͍ͯΔ߹ͷͪ࣌ؒ ໊߲ આ໌ ໊લ 4DBMPVUQPMJDZ ࣍ͷ߹ʹϙϦγʔΛ࣮ߦ $MPVE8BUDIͰඵؒ"VUP4DBMJOHάϧʔϓͷ$16ฏۉ ͕Ҏ্ʹͳͬͨ߹ ΞΫγϣϯΛ࣮ߦ ΠϯελϯεΛͭ૿͢ ͦͷޙػ ඵؒଞͷεέʔϦϯάΛͭ εέʔϧΞτϙϦγʔઃఆྫ
Auto ScalingΛར༻͢ΔࡍͷΞϓϦ ߏͷҙ
Auto ScalingΛར༻͢Δࡍʹߟྀ͓͔ͯ͠ͳ͍ͱ… • ΞϓϦέʔγϣϯͷσϓϩΠͲ͏͢Δͷʁ • ηογϣϯใͲ͏͢Δͷʁ • ϩάϑΝΠϧͲ͏͢Δͷʁ
ΞϓϦέʔγϣϯͷσϓϩΠͲ͏͢Δͷʁ ύλʔϯ1: AMIʹࣄલʹσϓϩΠ Elastic Load Balancing instance instance instance instance
Auto Scaling AMI AMI ৽͍͠όʔδϣϯͷΞϓϦΛσ ϓϩΠͨ͠EC2ΠϯελϯεΛ AMIʹͯ͠ىಈઃఆΛ࠶࡞ɺ Auto Scalingάϧʔϓʹઃఆ͠ ͠ɻ·ͨطଘͷΠϯελϯε ݹ͍··ͳͷͰɺͦͪΒʹΞ ϓϦΛσϓϩΠ͢Δ͔ɺEC2Π ϯελϯεΛ1ͣͭऴྃͯ͠ AMI͔Βࣗಈىಈ
ΞϓϦέʔγϣϯͷσϓϩΠͲ͏͢Δͷʁ ύλʔϯ2: ىಈΠϯελϯε͝ͱʹσϓϩΠ Elastic Load Balancing instance instance instance Auto
Scaling AMI EC2Πϯελϯε͕Auto ScalingʹΑΓىಈ͠ ͨࡍʹΞϓϦͷσϓϩΠࣗಈతʹߦ͏ɻ ۩ମతʹgitS3ͷετϨʔδʹอଘ͞Ε ͍ͯΔ৽͍͠ΞϓϦΛऔಘ͢ΔΑ͏͋Β͔͡ ΊAMIʹεΫϦϓτΛ࡞ͯ͠อଘɻ
ηογϣϯใͲ͏͢Δͷʁ Elastic Load Balancing instance instance instance ηογϣϯใ ElastiCache ϩʔυόϥϯαʹΑͬͯΞΫη
ε͍ͯ͠ΔΠϯελϯε͕มΘ Δ or εέʔϧΠϯ͞ΕͯΠϯε λϯε͕আ͞Εͨ߹ɺηο γϣϯใ͕ࣦΘΕΔɻ ϝϞϦΩϟογϡཧ༻ͷσʔ λϕʔεΛ༻ҙ(ElastiCache)͠౷ ߹తʹηογϣϯใͳͲͷσʔ λΛ֨ೲ
ϩάϑΝΠϧͲ͏͢Δͷʁ ෛՙ͕མͪண͍ͯεέʔϧΠϯ͢Δ߹ɺEC2Πϯε λϯε͕ऴྃ͞ΕΔͨΊγεςϜϩάΞϓϦέʔγϣ ϯϩάΠϯελϯεͱͱʹআ͞Εͯ͠·͏ɻ ͲͷEC2Πϯελϯεͷϩά͔ผͰ͖ΔΑ͏ʹͨ͠ ͏͑ͰS3ʹఆظతʹอଘ
࣮ࡍʹෛՙΛ͔͚ͯࢼ͢
ෛՙ֬ೝํ๏ 1. yesίϚϯυ ZFTEFWOVMMͱ͔ʜ ZFTEFWOVMM ZFTEFWOVMMͭͷϓϩηεΛ͏ ZFTEFWOVMM ZFTEFWOVMM 2. stressίϚϯυΛΠϯετʔϧͯ͠͏
TVEPZVNJOTUBMMTUSFTTZ 3. JmeterΛ͏ ࢀߟ: http://dev.classmethod.jp/server-side/server/use-stress-tool-on-ec2/ ࢀߟ: http://www.techscore.com/tech/Java/ApacheJakarta/JMeter/index/
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ॴ ←͜͜
ͪΐͬͱલ·Ͱͷ৲ބ
ΦϑΟεͷ͝հɻ
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