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RIとSPって何が違うの?選択において押さえておくべきポイント/ec2-reserved...
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YukihiroChiba
October 16, 2021
Technology
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RIとSPって何が違うの?選択において押さえておくべきポイント/ec2-reserved-instances-savings-plans-comparison
YukihiroChiba
October 16, 2021
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Transcript
RIͱSPͬͯԿ͕ҧ͏ͷʁ બʹ͓͍ͯԡ͓͖͑ͯ͘͞ϙΠϯτ ઍ༿ʢνόϢΩʣ 2021/11 Ұ෦मਖ਼
͡Ίʹ ுΓͬͯࢿྉΛ࡞ͬͯ͠·ͬͨͨΊ ۦ͚Ͱ͢ɻ(120ຕ) ޙ΄Ͳڞ༗͠·͢ͷͰϦΞϧλΠϜͰ ཧղ͍ͨͩ͘ඞཁ͋Γ·ͤΜɻ
༻ޠू ༻ޠ ༁ 3* ϦβʔϒυΠϯελϯεͷུ 41 4BWJOHT1MBOTɺηʔϏϯάϓϥϯͷུ 0%$3 ΦϯσϚϯυΩϟύγςΟ༧ͷུ
"; ΞϕΠϥϏϦςΟκʔϯͷུ ϓϥοτϑΥʔϜ 8JOEPXTɺ-JOVYͳͲͷ04ͷछผΛද͢ͷ ςφϯγʔ ԾϚγϯ͕ཧϗετΛڞ༻͢Δ͔༗͢Δ͔Λද͢ͷ
ࣗݾհ ઍ༿ ɾAWS ࣄۀຊ෦ ɹίϯαϧςΟϯά෦ ɹϚωʔδϟʔ ɾ20201݄JOIN ɾ2021
APN AWS Top Engineer
"HFOEB 1.RIͱSPͷద༻Πϝʔδ 2.ΩϟύγςΟ༧ͱ 3.ϦβʔϒυΠϯελϯεͱ 4.Savings Plans ͱ 5.RIͱSPԿ͕ҧ͏ͷ͔
͢͜ͱ͞ͳ͍͜ͱ ͢͜ͱ ͞ͳ͍͜ͱ •RI/SPͷछྨ •RI/SPͷҧ͍ •RI/SPͷద༻Πϝʔδ •EC2 ΠϯελϯεҎ֎ͷRI/SP •۩ମతͳγφϦΦͷհ
•ࡉ͔͍݅ •Φεεϝͷങ͍ํ RI/SPʹͲͷΑ͏ͳछྨ͕͋Δ͔ɺ ߲͕ͲͷΑ͏ͳҙຯΛ͔࣋ͭΛཧղ͍͖ͨͩɺ RI/SPΛબ͢Δελʔτʹ ཱ͍ͬͯͨͩ͘͜ͱΛతͱ͍ͯ͠·͢ɻ
ઌʹ·ͱΊ ʢ͍͔ͭ͘νϥݟͤʣ ৺ߏ͑ͷͨΊʹ
Θͨ͠ͷݸਓతͳߟ͑ •SPΛ༏ઌͯ͠ݕ౼͠·͠ΐ͏ •SPͷॊೈੑͷߴ͞େ͖ͳັྗ •RIಛ༗ͷػೳ͕ඞཁͰ͋ΕRIͷ࠾༻Λݕ౼͢Δ •ϚʔέοτϓϨΠεͷ༻ɺΩϟύγςΟ༧ɺަͳͲ •SPͷʮίϛοτֹۚͷࢦఆʯ͕ωοΫʹͳΔ߹RIΛɻ •ߪೖ࣌ͷֹۚࢉ •ߪೖޙͷఆରͷ͔Γʹ͘͞ ޙͰग़͖ͯ·͢
3*ͱ41ͷछྨ ޙͰग़͖ͯ·͢
3*ͱ41ͷൺֱද ޙͰެ։͢ΔͨΊ ֮͑Δඞཁ͋Γ·ͤΜ ޙͰग़͖ͯ·͢ 2021/11 Ұ෦मਖ਼
"HFOEB 1.RIͱSPͷద༻Πϝʔδ 2.ΩϟύγςΟ༧ͱ 3.ϦβʔϒυΠϯελϯεͱ 4.Savings Plans ͱ 5.RIͱSPԿ͕ҧ͏ͷ͔
ΦϯσϚϯυΠϯελϯεͷ ྉۚͷൃੜ ͓͞Β͍ɿΦϯσϚϯυΠϯελϯε
ΠϯελϯεՔಇ͚ͨͩ͠ྉ͕͔͔ۚΔ •ΦϨϯδͷଳ͕Քಇঢ়ଶͰ͋Δ͜ͱΛද͢ •Քಇͨ͠ΦϯσϚϯυྉ͕ۚൃੜ •EBS ϘϦϡʔϜͷྉۚՔಇঢ়ଶʹ͔͔ΘΒͣൃੜ͢Δ
RI / SP νέοτͷΑ͏ͳͷ 3*ͱ41ͷΠϝʔδ
͜͏͍ͬͨνέοτΛࢥ͍ු͔͍ͯͩ͘͞
͜ͷνέοτʜʜ ݅ʹ߹கͨ͠߹ʹɺ νέοτͷʮֹ໘ʯɺ ΦϯσϚϯυྉۚΛ ૬ࡴͯ͘͠ΕΔνέοτ
͜ͷνέοτʜʜ ݅ʹ߹கͨ͠߹ʹɺ
͜ͷνέοτʜʜ ݅ʹ߹கͨ͠߹ʹɺ
νέοτͷಛᶃ •νέοτ1ຕ͕1࣌ؒʹ૬͢Δ •1͔ؒ3ؒͰߪೖͰ͖Δ •͓Αͦ8760ຕ͔26280ຕͭͮΓ •ͯ͢લ͍ͨ͠߹ʮങ͍Γܕʯɺ ͦΕҎ֎ͷ߹ʮఆظߪೖʯͷΠϝʔδ •લ͍ͨ͠ํ͕҆͘ߪೖͰ͖Δ •ֹ໘ΛΠϯελϯε1ʹࢉͨ͠߹ɺ ΦϯσϚϯυྉۚΑΓ҆͘ߪೖͰ͖Δ
νέοτͷಛᶄ •ظؒதɺνέοτ1࣌ؒ͝ͱʹࣗಈతʹ ফඅ͞ΕΔ •ϢʔβʔʹΑΔҙͷλΠϛϯάͰͷ ༻Ͱ͖ͳ͍ʢ࣋ͪӽ͠Ͱ͖ͳ͍ʣ •ϢʔβʔʹΑΔద༻ରͷΠϯελϯε ͷબͰ͖ͳ͍
νέοτ͕ͲͷΑ͏ʹΘΕΔ͔ 3*ͱ41ͷద༻Πϝʔδ
3*41ͷద༻Πϝʔδ
3*41ͷద༻Πϝʔδ ɾνέοτ͕ద༻͞Εͨ෦ΦϯσϚϯυྉ͕͔͔ۚΒͳ͍ ɾಛఆͷΠϯελϯεʹඥͮ͘Θ͚Ͱͳࣗ͘ಈద༻
3*41ͷద༻Πϝʔδ ՔಇΠϯελϯε͕ ແ͍ͨΊ Ͳ͜ʹద༻͞Εͳ͍
3*41ͷద༻Πϝʔδ ʢࠓճͷྫͰʣ ೋͷՔಇʹ ద༻͞Εͳ͍
3*41ͷద༻Πϝʔδ ࣌ؒͰ ෳͷରʹ ద༻Մೳ
݅ʹ߹க͠ͳ͍Πϯελϯε͕ Քಇ͍ͯ͠Δ߹ ͜Μͳͱ͖Ͳ͏ͳΔ
݅ʹ߹க͠ͳ͍Πϯελϯεͷ߹
݅ʹ߹க͠ͳ͍Πϯελϯεͷ߹ ଞͷΠϯελϯε͕Քಇ͍ͯ͠ͳ͍࣌ؒଳؚΊɺద༻͞Εͳ͍
݅ʹ߹க͠ͳ͍Πϯελϯεͷ߹ ద༻͚ͤͨ͞Εɺผͷ݅ʹ߹க͢Δνέοτͷߪೖ͕ඞཁ
ΠϯελϯεͷՔಇঢ়گΛԡ͑͞Α͏ 3*ͱ41ͷద༻ରΛͲ͏ߟ͑Δ͔
ΠϯελϯεͷՔಇঢ়گ·ͪ·ͪ
ΠϯελϯεͷՔಇঢ়گ·ͪ·ͪ ࣌ؒՔಇͰͳ͍͕ ׂҾʹΑͬͯ ϝϦοτ͕ग़Δ͔ ͜ͷΠϯελϯε༻ʹ ߪೖ͢Δͷ ແବ͕େ͖͍ ͜ͷΠϯελϯε༻ʹ ߪೖ͢Δͷ
ແବ͕େ͖͍ 3*ΑΓ͕݅؇͍41ͳΒ ҰຕͷνέοτͰ ྆ํ·͔ͳ͑Δ͔
41ͷྫʢ3*Ͱߟ͑ํಉ͡ʣ https://d1.awsstatic.com/events/jp/2021/summit-online/AWS-13_AWS_Summit_Online_2021_CMP01.pdf
41ͷྫʢ3*Ͱߟ͑ํಉ͡ʣ https://d1.awsstatic.com/events/jp/2021/summit-online/AWS-13_AWS_Summit_Online_2021_CMP01.pdf
41ͷྫʢ3*Ͱߟ͑ํಉ͡ʣ https://d1.awsstatic.com/events/jp/2021/summit-online/AWS-13_AWS_Summit_Online_2021_CMP01.pdf νέοτͷߪೖֹۚ
41ͷྫʢ3*Ͱߟ͑ํಉ͡ʣ https://d1.awsstatic.com/events/jp/2021/summit-online/AWS-13_AWS_Summit_Online_2021_CMP01.pdf
ఆৗతʹՔಇ͍ͯ͠Δ༻ྔΛ λʔήοτʹRI/SPΛߪೖ͠·͠ΐ͏ ଛ͠ͳ͍ͨΊʹ
"HFOEB 1.RIͱSPͷద༻Πϝʔδ 2.ΩϟύγςΟ༧ͱ 3.ϦβʔϒυΠϯελϯεͱ 4.Savings Plans ͱ 5.RIͱSPԿ͕ҧ͏ͷ͔
ΩϟύγςΟʹ͍͓ͭͯ͞Β͍ ΩϟύγςΟͱ
&$ΠϯελϯεԾϚγϯ
ԾϚγϯແݶʹ࡞Ͱ͖ΔΘ͚Ͱͳ͍ AZ͝ͱɺ Πϯελϯε ϑΝϛϦʔ͝ͱʹ ʮࡏݿʯͷҟͳΔ ʢਵ࣌มߋ͞ΕΔʣ
ಛఆՕॴͰ༰ྔෆʹͳΔ߹͕͋Δ ༰ྔʢΩϟύγςΟʣ͕ ෆͨ͠߹ɺ ৽ͨʹΠϯελϯεΛ Քಇͤ͞ΒΕͳ͍ ৽ن࡞͚ͩͰͳ͘ɺ ఀࢭˠىಈͷભҠෆՄ ʢ࠶ىಈແӨڹʣ
ΩϟύγςΟ༧ʹΑΔ ༰ྔෆΤϥʔͷճආ ͦ͜Ͱ
3*ͱ41ͷछྨ
3*ͱ41ͷछྨ κʔϯRIΩϟύγςΟ༧ͷػೳΛซͤ࣋ͭ
3*ͱ41ͷछྨ ଞͷλΠϓͰΩϟύγςΟ༧ͷػೳΛ͍࣋ͨͤͨ߹ɺ ODCRʢΦϯσϚϯυΩϟύγςΟ༧ʣͱͷΈ߹Θ͕ͤඞཁ
ΦϯσϚϯυΩϟύγςΟ༧ ΦϯσϚϯυΩϟύγςΟ༧ͱ
0%$3ͷ֓ཁ •ΩϟύγςΟ༧ͷػೳʹಛԽͨ͠Ϧιʔε •ظؒͷίϛοτෆཁ •ׂҾͷػೳͳ͠ •༧͢ΔAZΠϯελϯεͷଐੑͷࢦఆ͕ඞཁ •ςφϯγʔɺϓϥοτϑΥʔϜͳͲ •ະ༻ͷ߹ʹΦϯσϚϯυྉۚͱಉֹͷ՝͕ۚൃੜ •ద༻݅બՄೳ •σϑΥϧτͰ݅ʹ߹க͢Δͷʹࣗಈద༻
0%$3ͷద༻Πϝʔδ • ʮ1࣌ؒʹ1ຕʯͱ͍͏ߟ͑ํͰ͋Γ·ͤΜ • ࠓճσϑΥϧτͷʮࣗಈతʹద༻ʯύλʔϯͰߟ͑·͢
0%$3ͷద༻Πϝʔδ ىಈ࣌ʹద༻͞ΕͨODCR Πϯελϯε͕ఀࢭ͢Δ·Ͱղ์͞Ε·ͤΜ
0%$3ͷద༻Πϝʔδ ىಈ࣌ʹ ༰ྔෆΤϥʔ͕ ൃੜ͠ͳ͍ σϑΥϧτͰ ىಈࡁΈͷΠϯελϯεʹ ద༻͞ΕΔ ىಈ࣌ʹ ༰ྔෆΤϥʔ͕
ൃੜ͠ͳ͍
0%$3ͷద༻Πϝʔδ ະ༻ͷ߹ʹ ΦϯσϚϯυͱಉֹͰ՝ۚ ద༻͞Ε͍ͯΔ߹ 0%$3ͱͯ͠ͷ՝ۚͳ͠ ʢΦϯσϚϯυͷΈʣ
0%$3ʹϦʔδϣφϧ3*ͱ41͕ద༻͞Ε·͢
ODCRͱΈ߹ΘͤΔ͜ͱͰ κʔϯRIҎ֎ͰΩϟύγςΟ༧͕Ͱ͖Δ ΩϟύγςΟ༧
"HFOEB 1.RIͱSPͷద༻Πϝʔδ 2.ΩϟύγςΟ༧ͱ 3.ϦβʔϒυΠϯελϯεͱ 4.Savings Plans ͱ 5.RIͱSPԿ͕ҧ͏ͷ͔
ϦβʔϒυΠϯελϯεΛ ߏ͢ΔཁૉΛԡ͑͞Δ ϦβʔϒυΠϯελϯεͷྨ
·ͣେ͖͘ྨ
είʔϓϦʔδϣφϧͱκʔϯͷೋछྨ
Πϯελϯεͷଐੑ
ίϛοτظؒͱࢧ͍Φϓγϣϯ
ఏڙΫϥεೋछྨ
είʔϓͷҧ͍ ʢϦʔδϣφϧɺκʔϯʣ Ϧʔδϣφϧ3*ͱκʔϯ3*
͜͜ͷͰ͢
Ϧʔδϣφϧ3*ͱκʔϯ3*ͷൺֱ Ϧʔδϣϯͷҙͷ";ͷ Πϯελϯεʹ ద༻Ͱ͖Δ͔Ͳ͏͔
Ϧʔδϣφϧ3*ͱκʔϯ3*ͷൺֱ Ϧʔδϣϯͷҙͷ";ͷ Πϯελϯεʹ ద༻Ͱ͖Δ͔Ͳ͏͔
ΠϯελϯελΠϓϑΝϛϦʔͱαΠζ͔ΒͳΔ ॊೈੑ͋Γͷ߹ ʹج͍ͮͯ αΠζΛԣஅͯ͠ ద༻ͯ͘͠ΕΔ
ΠϯελϯεαΠζͷॊೈੑ Քಇ͍ͯ͠ΔΠϯελϯεͷํ͕͕େ͖͍߹Λߟ͑·͢
ΠϯελϯεαΠζͷॊೈੑ νέοτͷֹ໘͚ͩ૬ࡴ͠ɺΓΦϯσϚϯυྉۚͰ՝ۚɻ κʔϯRIͷ߹ॊೈੑ͕ແ͍ͷͰద༻͞Εͳ͍ɻ
ఏڙΫϥεͷҧ͍ ʢελϯμʔυɺίϯόʔςΟϒϧʣ 3*ͷఏڙΫϥε
͜͜ͷͰ͢
ελϯμʔυ3*ͱίϯόʔςΟϒϧ3*ͷൺֱ
ϦβʔϒυΠϯελϯεͷʮมߋʯ Ұ෦ͷ߲ͷΈɺߪೖޙʹมߋग़དྷ·͢ɻ • มߋͰ͖Δͷͷྫ • ϦʔδϣϯͷผAZʹมߋʢκʔϯRIʣ • είʔϓͷมߋʢϦʔδϣφϧ⁶κʔϯʣ •
ಉҰΠϯελϯεϑΝϛϦʔͰͷαΠζͷมߋ • xlargeʢ8ʣ1ݸ͔Β largeʢ4ʣ2ݸͳͲ • σϑΥϧτςφϯγʔͷLinux/UnixͷΈ • มߋͰ͖ͳ͍ͷͷྫ • Ϧʔδϣϯ • ΠϯελϯεϑΝϛϦʔ • ςφϯγʔɺϓϥοτϑΥʔϜ • ίϛοτظؒɺࢧΦϓγϣϯ
ϦβʔϒυΠϯελϯεͷʮަʯ ަޙͷRI͕ಉҎ্ͷՁͱͳΔ߹ͷΈɺަ͢Δ͜ͱ͕ग़དྷ·͢ɻ •ओͳཹҙࣄ߲ •ަޙΫϥείϯόʔςΟϒϧͷ·· •ަޙͷํ͕ߴֹͷ߹ɺֹࠩΛࢧ্ͬͨͰަ •ಉֹͷ߹ෆཁ •ʮͯ͢લ͍ʯʮҰ෦લ͍ʯ͔Βʮલ͍ͳ͠ʯͷަෆՄ •ަલͱҟͳΔϦʔδϣϯʹަͰ͖ͳ͍ ςφϯγʔɺϓϥοτϑΥʔϜɺΠϯελϯεϑΝϛϦʔͳͲɺ
ʮมߋʯͰม͑ΒΕͳ͍ͷʹʮަʯͳΒରԠՄೳɻ
ϚʔέοτϓϨΠεͰͷग़ߪೖ ෆཁʹͳͬͨRIΛച٫ͨ͠ΓɺαʔυύʔςΟ͔ΒߪೖͰ͖·͢ɻ • ϚʔέοτϓϨΠεͷग़ • ग़ऀͷొʹถࠃͷۜߦͷޱ࠲͕ඞཁ • ग़࣌ʹઃఆ͢Δલ͍Ձ֨ͷ12%͕खྉͱͯ͠ൃੜ •
ͦͷଞ͜·੍͔͍ݶࣄ߲͋Γ • ϚʔέοτϓϨΠεͰͷߪೖ • ظؒ13ͷશͳͷͰͳ͍ • લͷॴ༗ऀͷ༻ঢ়گʹΑΔ • ग़ऀ͕ࢦఆͨ͠લ͍ྉۚΛࢧ͏ • AWSʹΑΔඪ४తͳՁ֨ΑΓ͍҆߹͕͋Δ • ʮͯ͢લ͍ʯͰͳ͍߹ɺܧଓͯ͠ൃੜ͢Δྉۚ ʢνέοτͷఆظߪೖྉۚʣAWSඪ४ͷͷͱಉҰ
RIͷ4ͭͷλΠϓΛൺֱ ͜͜·Ͱͷ͓͞Β͍
ͭͷ3*Λൺֱ͢Δͱ͜͏ͳΔ
"HFOEB 1.RIͱSPͷద༻Πϝʔδ 2.ΩϟύγςΟ༧ͱ 3.ϦβʔϒυΠϯελϯεͱ 4.Savings Plans ͱ 5.RIͱSPԿ͕ҧ͏ͷ͔
SPΛߏ͢ΔཁૉΛ ԡ͑͞Δ 41ͷྨ
3*͜Μͳײ͡Ͱͨ͠
41ൺֱతγϯϓϧ
ίϛοτϝϯτֹͷࢦఆ ΠϯελϯεͷଐੑͰͳ͘ ֹۚΛࢦఆ
ߪೖͷํͷҧ͍ SPͷ߹ɺࣗͰܭࢉΛߦ͏ඞཁ͕͋Δ
λΠϓͭ ࠓճ4BHF.BLFS41 औΓ͋͛·ͤΜ
ೋͭͷ41λΠϓͷൺֱ
SP͕ద༻͞ΕΔ༏ઌॱҐ 41ͷద༻ϧʔϧ
41ద༻ͷ༏ઌॱҐ • RI͕ಉ࣌ʹଘࡏͨ͠߹ɺRI͕༏ઌ͞ΕΔ • EC2 Instance SP ͱCompute SP͕ಉ࣌ʹଘࡏͨ͠߹ɺ
EC2 Instance SP͕༏ઌ͞ΕΔ • ಉ݅͡ͷ SP ʹ͓͍ͯɺׂҾ͕ߴ͍ରͷద༻͕ ༏ઌ͞ΕΔ ΠϯελϯεͷଐੑΛࢦఆ͠ͳ͍ɺ༏ઌॱҐҙ͓͖ࣝͯ͠·͠ΐ͏ɻ
41ద༻ͷ༏ઌॱҐ ׂҾ͕ҟͳΔΠϯελϯε͕͋Δ߹ ʢϓϥοτϑΥʔϜɺΠϯελϯεϑΝϛϦʔͷҧ͍ͳͲʣ
41ద༻ͷ༏ઌॱҐ ΑΓޮΑ͘ίετݮͯ͘͠ΕΔΑ͏ ׂΓ͋ͨΓ·͢
ۃͳྫʢࣈμϛʔͰ͢ʣ ίϛοτֹ 10 USD ͷ SP Λߪೖͨ͠ͱ͠·͢
ۃͳྫʢࣈμϛʔͰ͢ʣ ૬ࡴ ׂҾ͕ߴ͍Πϯελϯεʹద༻͞Εͨ߹ νέοτ 10 USD + Πϯελϯε B
ͷ 12.5 USD = 22.5 USD
ۃͳྫʢࣈμϛʔͰ͢ʣ ૬ࡴ ׂҾ͕͍Πϯελϯεʹద༻͞Εͨ߹ʢ࣮ࡍʹແ͍ʣ νέοτ 10 USD + Πϯελϯε A
ͷ 100 USD = 110 USD
ίϛοτֹ͕ 1ͱҰக͠ͳ͍߹ 41ͷॊೈͳద༻
ίϛοτֹ͕ͱҰக͠ͳ͍έʔε νέοτ த ૬ɺΠϯελϯε্͔Β ɺதɺߴ
ίϛοτֹ͕ͱҰக͠ͳ͍έʔε νέοτ த ૬ɺΠϯελϯε্͔Β ɺதɺߴ
ίϛοτֹ͕ͱҰக͠ͳ͍έʔε ֹ໘ΑΓ͍ͷͰ ༨͕ൃੜ͢Δ ൃੜͨ͠༨ ผΠϯελϯεʹׂ ֹ໘͕ෆ͢Δ߹ɺ ΓΦϯσϚϯυ
SPͷํ͕RIΑΓॊೈੑ͕ߴ͍ ൺͯΘ͔Δ
"HFOEB 1.RIͱSPͷద༻Πϝʔδ 2.ΩϟύγςΟ༧ͱ 3.ϦβʔϒυΠϯελϯεͱ 4.Savings Plans ͱ 5.RIͱSPԿ͕ҧ͏ͷ͔
RI ͱ SP ͷൺֱද 3*ͱ41ͷൺֱ
3*ͱ41ͷൺֱද ޙͰެ։͢ΔͨΊ ֮͑Δඞཁ͋Γ·ͤΜ 2021/11 Ұ෦मਖ਼
3*ͱ41ͷൺֱදʢϞϊΫϩʣ ޙͰެ։͢ΔͨΊ ֮͑Δඞཁ͋Γ·ͤΜ 2021/11 Ұ෦मਖ਼
3*ͱ41ͷൺֱදʢ݁߹ͳ͠ʣ ޙͰެ։͢ΔͨΊ ֮͑Δඞཁ͋Γ·ͤΜ 2021/11 Ұ෦मਖ਼
3*ͱ41ͷൺֱදʢ݁߹ͳ͠ϞϊΫϩʣ ޙͰެ։͢ΔͨΊ ֮͑Δඞཁ͋Γ·ͤΜ 2021/11 Ұ෦मਖ਼
3*ͱ41ͷൺֱදʢ݁߹ͳ͠ϞϊΫϩʣ ޙͰެ։͢ΔͨΊ ֮͑Δඞཁ͋Γ·ͤΜ 2021/11 Ұ෦मਖ਼
Ձ֨վఆͷै ৽ͨͳ؍ʹ͍ͭͯิ
ه 2021/11मਖ਼ ࢿྉެ։࣌ʮSPͰΦϯσϚϯυྉۚͷՁ֨վఆʹैͰ͖Δʯ ͱ͍͏લఏͰهࡌ͍ͯ͠·͕ͨ͠ɺ࣮ࡍʹͦͷΑ͏ͳ༷͋Γ ·ͤΜͰͨ͠ɻޙஈͷ༰Ͱमਖ਼ΛՃ͍͑ͯ·͢ɻ https://dev.classmethod.jp/articles/ reserved-instances-savings-plans- price-revision/ ৄࡉʹ͍ͭͯҎԼΤϯτϦΛࢀর
͍ͯͩ͘͠͞ɻ
ΦϯσϚϯυͷՁ͕֨Լ͛͞ΕͨΒͲ͏ͳΔ ελϯμʔυ RI ίϯόʔςΟϒϧ RI EC2 Instanseɹ SP Compute
SP Πϯελϯε Ұ Πϯελϯε Ұ ίϛοτֹ 64% ίϛοτֹ 64% 15 USD 15 USD 16 USD 16 USD Ձ֨શͯμϛʔͰ͢
ΦϯσϚϯυͷՁ͕֨Լ͛͞ΕͨΒͲ͏ͳΔ ελϯμʔυ RI ίϯόʔςΟϒϧ RI EC2 Instanseɹ SP Compute
SP Πϯελϯε Ұ Πϯελϯε Ұ ίϛοτֹ 64% ίϛοτֹ 64% 15 USD 15 USD 16 USD 16 USD ه ΦϯσϚϯυྉۚͷվఆͱ 3*41ྉۚͷվఆ͕࿈ಈ͢Δͱ ݶΓ·ͤΜ
ΦϯσϚϯυͷՁ͕֨Լ͛͞ΕͨΒͲ͏ͳΔ Πϯελϯε Ұ Πϯελϯε Ұ ίϛοτֹ 64% ίϛοτֹ 64%
15 USD 15 USD 16 USD 16 USD ελϯμʔυ
ΦϯσϚϯυͷՁ͕֨Լ͛͞ΕͨΒͲ͏ͳΔ Πϯελϯε Ұ Πϯελϯε Ұ ίϛοτֹ 64% ίϛοτֹ 64%
15 USD 15 USD 16 USD 16 USD 64%༨ͱͳΓɺ ଞͷΠϯελϯεʹద༻Մೳ ελϯμʔυ
ΦϯσϚϯυͷՁ͕֨Լ͛͞ΕͨΒͲ͏ͳΔ Πϯελϯε Ұ Πϯελϯε Ұ ίϛοτֹ 64% ίϛοτֹ 64%
15 USD 15 USD 16 USD 16 USD چՁ֨Λج४ͱ͢ΔͨΊɺ ૬ରతʹΦϯσϚϯυʹ ର͢ΔׂҾ͕Լ ελϯμʔυ
ΦϯσϚϯυͷՁ͕֨Լ͛͞ΕͨΒͲ͏ͳΔ Πϯελϯε Ұ 16 USD ৽Ձ֨Λج४ͱ͢Δ3*ʹަՄೳ ˞ަޙͷՁ͕ಉҎ্ʹ͢Δඞཁ͕͋ΔͨΊɺ ྔΛ૿͢ͱ͍͕ͬͨඞཁ Πϯελϯε
Ұ 14 USD Πϯελϯε / 2 USD Ҏ্ ίϯόʔςΟϒϧ RI ελϯμʔυ
݁ہͲͪΒ͕͍͍ͷʁ 3*ͱ41ͲͪΒΛબ͍͍ͷ͔
͓͍ͷڥͷঢ়گʹΑΔͨΊ །Ұͷਖ਼ղ͋Γ·ͤΜ ݁
Θͨ͠ͷݸਓతͳߟ͑ •SPΛ༏ઌͯ͠ݕ౼͠·͠ΐ͏ •SPͷॊೈੑͷߴ͞େ͖ͳັྗ •RIಛ༗ͷػೳ͕ඞཁͰ͋ΕRIͷ࠾༻Λݕ౼͢Δ •ϚʔέοτϓϨΠεͷ༻ɺΩϟύγςΟ༧ɺަͳͲ •SPͷʮίϛοτֹۚͷࢦఆʯ͕ωοΫʹͳΔ߹RIΛɻ •ߪೖ࣌ͷֹۚࢉ •ߪೖޙͷఆରͷ͔Γʹ͘͞
ߪೖͷํͷҧ͍ʢ࠶ܝʣ
ߪೖͷํͷҧ͍ʢ࠶ܝʣ ֹۚͷࢉΛ ࣗલͰߦ͏ඞཁ͕͋Δ ֹ͔ۚ͠ݟ͑ͳ͍ͨΊɺ ͲͷΑ͏ͳߏΛ ఆͯ͠ߪೖ͔ͨ͠ ผ్ཧ͢Δඞཁ͕͋Δ
Θͨ͠ͷݸਓతͳߟ͑ •1ʁ3ʁ •͍·ͷߏ͕কདྷతʹॖখ͞ΕΔՄೳੑ͕͋ΔͳΒΊʹ •3ޙಉ͡ΠϯελϯεϑΝϛϦʔΛ༻͍ͯ͠Δ͔ʁ •Compute SP ίϯόʔςΟϒϧRIͰͳ͍ͳΒ৻ॏʹ •શ෦લ͍ʁҰ෦લ͍ʁલ͍ͳ͠ʁ •·ͱ·ͬͨࢧग़͕ڐ༰͞ΕΔ͔Ͳ͏͔
•ߪೖରͷׂҾΛ֬ೝ͠ɺͦΕݟ߹͍Ͱݕ౼ •߹ʹΑͬͯࢧ͍खஈʹΑͬͯͦ͜·Ͱ͕ࠩͳ͍͔͠Εͳ͍
࠷ޙʹ 3*ͱ41ΛͲ͏ങ͍͍͑ͷ͔
ͲͷΑ͏ʹങ͏͔ •·ͣରͷચ͍ग़͠ •ͲͷΑ͏ͳΠϯελϯε͕Ͳͷఔͷ࣌ؒՔಇ͍ͯ͠Δ͔ •কདྷతͳՔಇݟਾ͑ͯద༻ରΛݕ౼ •RI/SPͷਪࣄ߲ͷ׆༻ɹˠޙड़ •ΫϥεϝιουʹΑΔߪೖߦɹˠޙड़
3*41ͷਪࣄ߲ Savings Plans Ϧβʔϒυ ɹΠϯελϯε Ϛωδϝϯτίϯιʔϧ ʮAWS Cost Explorerʯ͔Β
աڈͷ༻ঢ়گʹج͍ͮͨ ਪͷߪೖ݅Λ֬ೝՄೳͰ͢ɻ Ϋϥεϝιου ϝϯόʔζԼͷAWSΞΧϯτͷ߹ɺ ར༻ྉׂҾαʔϏεͷ༷ʹΑΓ͜ͷػೳ༻Ͱ͖·ͤΜɻɻ
ΫϥεϝιουʹΑΔ3*41ͷߪೖߦ ΫϥεϝιουϝϯόʔζɹϓϨϛΞϜαʔϏεΛ ͝ܖ͍͍͓ͨͩͨ٬༷ʹɺ RI/SPͷߪೖߦαʔϏεΛ͝ఏڙ͍ͯ͠·͢ɻ • ΠϯελϯεҰཡΛؚΉߪೖ֬ೝࢿྉʢExcelʣΛ͝ఏڙ ͍ͯ͠·͢ͷͰɺҎԼΛলྗԽͰ͖·͢ɻ • ΠϯελϯεҰཡͷચ͍ग़͠
• ίϛοτֹۚͷࢉʢSPͷ߹ʣ • ίϛοτֹۚͷ༁ͷূʢSPͷ߹ʣ
ΫϥεϝιουʹΑΔ3*41ͷߪೖߦ ਃʹج͖ͮʮߪೖ֬ೝࢿྉʯΛ͝ૹ͠ɺ ͦͪΒʹهࡌ͍͍ͨͩͨ༰ʹԊͬͯߪೖߦΛߦ͍·͢ɻ ˛SPͷߪೖ֬ೝࢿྉͷྫʢҰ෦ൈਮʣ ΠϯελϯελΠϓΛؚΉΠϯελϯεͷҰཡΛ͝ఏڙ͠·͢ɻ
ΫϥεϝιουʹΑΔ3*41ͷߪೖߦʢ41ͷྫʣ ˛SPͷߪೖ֬ೝࢿྉͷྫʢҰ෦ൈਮʣ ࢧ͍ํ๏ɺظؒɺλΠϓΛબ͍ͨͩ͘͜ͱͰࣗಈతʹίϛοτֹۚΛදࣔ͠·͢ɻ
·ͱΊ Α͏͘ऴΘΓͰ͢
ࠓ͓ͨ͜͠͠ͱ RI/SPνέοτͷΑ͏ͳͷ SPͷํ͕ॊೈੑ͕ߴ͍ ·ͣϦιʔεΛચ͍ग़͠ɺׂҾΛ ؚΊదͳϓϥϯͷݕ౼Λ