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Redshiftのノード追加によるパフォーマンス改善で勘違いしていた話
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kensan773
February 04, 2025
Technology
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Redshiftのノード追加によるパフォーマンス改善で勘違いしていた話
20250205 JAWS-UG朝会発表資料
https://jawsug-asa.connpass.com/event/338578/presentation/
kensan773
February 04, 2025
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Transcript
"NB[PO3FETIJGUͷϊʔυՃʹΑΔ ύϑΥʔϚϯεվળͰצҧ͍͍ͯͨ͠͠·ͬͨ -5ɹਫଜ݈ଠ
ࣗݾհɹਫଜ݈ଠ 9!LFOTBO w ॴଐ w גࣜձࣾେ૯ݚ৽ଔ w ۚ༥γεςϜɹΞϓϦ։ൃ୲ w දজྺ
w +BQBO"84+S$IBNQJPOT w +BQBO"MM$FSUJ fi DBUJPOT w ݱࡏ w γεςϜߋվγεςϜͷ$*$%୲ w ࣾ"84ίϛϡχςΟͰษڧձ։࠵ ೝఆόονলུ
ΞδΣϯμ w "NB[PO3FETIJGU͓͞Β͍ w ݕূ ৮ͬͯΈͨ w ֶͼ w
·ͱΊ
"NB[PO3FETIJGUͷ͓͞Β͍
"NB[PO3FETIJGUͷ֓ཁ w ͲΜͳαʔϏεʁ w શϚωʔδυܕͷσʔλΣΞϋεαʔϏε w େنσʔλੳΛޮతʹߦ͏ͨΊʹઃܭ͞Ε͍ͯΔ w ར༻γʔϯ w
େͳσʔλͷूܭɾੳɺ#*πʔϧͱͷ࿈ܞͳͲ w ར༻ܗଶ w ϓϩϏδϣϯυɿࡉ੍͔͍ޚͱΧελϚΠζ˒ࠓճͷςʔϚ w αʔόϨεɿΠϯϑϥཧෆཁͰγϯϓϧ
ϓϩϏδϣϯυΫϥελͷΞʔΩςΫνϟ w छྨͷΫϥελλΠϓ %$ γΣΞʔυφογϯά 3" ڞ༗ϚωʔδυετϨʔδ IUUQTQBHFTBXTDMPVEDPNST5;.JNBHFT"84#MBDL#FMU@@"NB[PO3FETIJGU0WFSWJFX@WQEG w छྨͷϊʔυ
͍ͣΕඞཁ w ϦʔμʔϊʔυɿΫΤϦͷडཧ˞՝ۚແ͠ w ίϯϐϡʔτϊʔυɿ࣮ࡍͷσʔλॲཧΫΤϦ࣮ߦ
ϓϩϏδϣϯυΫϥελͷΞʔΩςΫνϟ w छྨͷΫϥελλΠϓ %$ γΣΞʔυφογϯά 3" ڞ༗ϚωʔδυετϨʔδ IUUQTQBHFTBXTDMPVEDPNST5;.JNBHFT"84#MBDL#FMU@@"NB[PO3FETIJGU0WFSWJFX@WQEG Ϧʔμʔ ίϯϐϡʔτ
w छྨͷϊʔυ ͍ͣΕඞཁ w ϦʔμʔϊʔυɿΫΤϦͷडཧ˞՝ۚແ͠ w ίϯϐϡʔτϊʔυɿ࣮ࡍͷσʔλॲཧΫΤϦ࣮ߦ Ϧʔμʔ ίϯϐϡʔτ
γϯάϧϊʔυߏ͋Δ͕ͦͷ߹ʁ w ͷϊʔυ͕ϦʔμʔͱίϯϐϡʔτͷׂΛ݉ͶΔʂ Ϧʔμʔ ˍ ίϯϐϡʔτ
͓͞Β͍ऴΘΓʂ
ݕূɿษڧ͕ͯΒ3FE4IJGUͬͯΈͨʂ w ࠷҆ՁͷʮEDMBSHFºγϯάϧϊʔυʯΛ࠾༻ ΠϯελϯελΠϓ ྉۚ SBMBSHF I EDMBSHF I ˞3"
%$ͷ࠷εϖοΫͰൺֱ
ݕূɿϊʔυՃͯ͠Έͨʂ w γϯάϧߏ͔ΒϚϧνߏʹͨ͠ࡍͷڍಈΛ֬ೝ /&8
ͲΜͳڍಈ͢Δͷ͔ͳʙ ΫΤϦ͛ ʜ͋ΕɺϝτϦΫεతʹݩͷϊʔυ͔͠ΘΕͯͳ͍ͧʁ ϓϩϯϓτ͕ѱ͘ ੜ"*ʹฉ͍ͯͬ͘͠Γ͜ͳ͍ʜ
͍ͭʹ͜Μͳצҧ͍Λͯ͠͠·ͬͨ😵💫 w ·͔͞Ճϊʔυ͕Ϧʔμʔϊʔυʹͳͬͨʜʁস w Ϧʔμʔϊʔυ՝ۚ͞Εͳ͍ͨΊ͓͔͍ͩ͠Ζͱࢥ͍ͭͭ
"84αϙʔτ༷ʹ࣭ʂ 3FETIJGUͷ%$ͷΫϥελͰγϯάϧߏ͔Β Ϛϧνߏʹมߋͨ͠ࡍͷڍಈΛڭ͍͑ͯͩ͘͞ʂ ݩͷϊʔυʹΫΤϦ͕ूத͠·͢ʂ ͓͑͠·͢ʂ ਝ
ᶃ ʹ૿͢ͱɺ͍ͣΕίϯϐϡʔτϊʔυʹͳΓ·͢ ᶄ ผ్"84ϚωʔδυͳϦʔμʔϊʔυ͕༻ҙ͞Ε·͢ ͑ ϊʔυɾσʔλ /&8 ᶃ ᶄ ཪͰ/&8
ᶃ
w ϊʔυՃޙదʹσʔλ͕͞Εͳ͍͜ͱ͕͋Δ w ඞཁʹԠͯ͡7"$66. ˞ Λ࣮ߦ͍ͯͩ͘͠͞ ͑ ϊʔυɾσʔλ ۭ ˞7"$66.ɿϝϯςφϯείϚϯυͷҰͭɻ࠶ιʔτɾ࠶ஔͯ͠அยԽΛղফ͢Δ͜ͱͰɺΫΤϦੑೳ
ͱετϨʔδޮΛ্ͤ͞Δ
"84αϙʔτ༷͋Γ͕ͱ͏͍͟͝·͢ʂ 3FETIJGUͷ%$ͷΫϥελͰγϯάϧߏ͔Β Ϛϧνߏʹมߋͨ͠ࡍͷڍಈΛڭ͍͑ͯͩ͘͞ʂ ݩ͔Β͋ΔϊʔυʹΫΤϦ͕ूத͠·͢ʂ ͓͑͠·͢ʂ ਝ ษڧʹͳΓ·ͨ͠ʂ
·ͱΊ w "NB[PO3FETIJGUʹ͍ͭͯ w γϯάϧߏϦʔμʔͱίϯϐϡʔτ͕ࠞࡏ w ϚϧνߏʹͳΔͱผ్ϚωʔδυϦʔμʔϊʔυཱ͕ͭ ֶͼ w
ϊʔυՃޙσʔλࢄ͕͞Εͯͳ͍Մೳੑ͋Γ ֶͼ w ڭ܇ ࣗռ w ͍ͬͯΔɹʻʻʻʻɹͰ͖Δ w "84αϙʔτͷํʑʹײँʂ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂʂ