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【梅キャン勉強会】今週発生したAWS障害について
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Shintaro Yamasaki
October 22, 2025
Technology
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【梅キャン勉強会】今週発生したAWS障害について
New!! 梅キャン勉強会 (LT会) vol.1
https://umecanoit01.peatix.com/view
Shintaro Yamasaki
October 22, 2025
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Transcript
ϠϚαΩγϯλϩ ࠓिൃੜͨ͠"84োͷ͓ /FXകΩϟϯษڧձ -5ձ WPM
ͷ"84োʹ͍ͭͯ ໔ࣄ߲ ެࣜൃදͷ༰Λͱʹཧͨ͠ͷͰ͋Γ·͕͢ɺͦͷ༰ͷશੑɺਖ਼ ֬ੑɺ༗༻ੑʹ͍ͭͯอূ͢ΔͷͰ͋Γ·ͤΜɻ ࢀߟIUUQTIFBMUIBXTBNB[PODPNIFBMUITUBUVT
"84 "NB[PO8FC4FSWJDFT ͱ ΞϚκϯ͕ఏڙ͢ΔΫϥυαʔϏε ίϯϐϡʔςΟϯάɺετϨʔδɺσʔλϕʔεɺωοτϫʔΫͳͲɺ ͞·͟·ͳΧςΰϦʹྨ͞ΕͨछྨҎ্ͷαʔϏε͕ల։͞Ε͍ͯΔɻ શੈքͷΫϥυࢢͷׂΛΊΔɻ ग़యIUUQTXXXOJLLFJDPNBSUJDMF%(9;20(/#&52"$
IUUQTIFBMUIBXTBNB[PODPNIFBMUITUBUVTɹ ݄ੈքతʹେنͳγεςϜো͕ൃੜ
Ҏ্ͷαʔϏεʹӨڹͨ͠ͱ ݴΘΕ͍ͯΔ ࠃ֎ͷ֤ࣾͰใ͡ΒΕͨ %PXOEFUFDUPSΑΓ
"84ͷোͨͼͨͼൃੜ͍ͯ͠·͢
ࠓճɺൃੜͨ͠෦ͱॴ͕Α͘ͳ͔ͬͨ
"84ʹ͓͚ΔʮϦʔδϣϯʯͷߟ͑ํ Ҿ༻IUUQTNBOBHFEHNPDMPVEDPNLOPXMFEHFBXTBXTSFHJPOTIUNMɹ "84ͷσʔληϯλʔੈքதʹ͋ΓɺཧతʹΕͨॴʹͦΕͧΕ͔Ε͍ͯΔɻ ͦΕͧΕҬ͝ͱʹ·ͱΊΒΕͨͭͷ୯ҐΛʮϦʔδϣϯʯͱݺͿɻ Ϧʔδϣϯ ࣌ ຊࠃʹϦʔδϣϯ ࣌ "84ͷαʔϏεɺجຊతʹϦʔδϣϯ୯ҐͰಈ࡞ ͓ͯ͠ΓɺԿ͔େ͖ͳো͕ى͖ͯಛఆͷϦʔδ
ϣϯͰ݁͢Δ߹͕΄ͱΜͲɻ ྫຊͰల։͢ΔαʔϏεʹ"84Λ͍ࡍɺ౦ژϦʔδϣϯେࡕϦʔδϣϯΛओʹ͏ɻ ྫ౦ژϦʔδϣϯͰো͕ى͖ͨΒɺओʹӨڹΛ ड͚Δͷຊࠃɻ ⚠"84োൃੜͨ͠Β
ࠓճΞϝϦΧͷʮόʔδχΞ෦ϦʔδϣϯʯͰোൃੜɻͰ όʔδχΞ෦Ϧʔδϣϯ64&BTU /7JSHJOJB VTFBTU w "84ॳظʢࠒʣʹ࠷ॳʹ։ઃ͞ΕͨϦʔδϣϯͷҰͭ w "84͕࠷ॳʹ༻ల։ͨ͠ڌͰ͋Γʮ"84ͷத֩Ϧʔδϣϯʯ ͱͯ͠ઃܭ w
"84αʔϏεͷσϑΥϧτϦʔδϣϯ w ΄΅ͯ͢ͷ"84αʔϏεͱଞϦʔδϣϯͷ੍ޚܥ͕ؔ w 3PVUFʢ%/4ʣ$MPVE'SPOUɺ*".ɺ4ͷҰ෦ϝλσʔλͳ Ͳɺάϩʔόϧ੍ޚϓϨʔϯͷதతͳػೳ͕ଘࡏɻ w ͦͷͨΊɺো͕͋ΔͱଞϦʔδϣϯͷαʔϏεಈ࡞ʹٴ͢Δ ͜ͱ͕͋Δɻ w ʮϦʔδϣϯʯతͳѻ͍Λ͞ΕΔ͜ͱ͕ଟ͍ w ੈքதͷଟ͘ͷاۀɾ։ൃऀ͕ར༻
݄ ֓ཁ ݪҼʗӨڹ ݄ "NB[PO %ZOBNP%#ͷোʢVTFBTUʣͰଟͷαΠτɾαʔϏεʹӨڹɻ /P42-%#αʔϏεͷΞϕΠϥϏϦςΟʹɻ ݄ "NB[PO 4αʔϏεোʢVTFBTUʣͰɺ4Λͬͨଟ͘ͷ8FCαʔϏε͕ఀ ࢭɻ ࣾһʹΑΔޡͬͨύϥϝʔλೖྗˠେྔআɻ
݄ VTFBTUͰʮωοτϫʔΫػثͷোʢෳωοτϫʔΫσόΠεʣʯ͕ൃੜɺ ൣғʹӨڹ ωοτϫʔΫτϥϑΟοΫΛॲཧ͢Δஔ͕ɻ ݄ VTFBTUͰ"84 -BNCEBؚΉෳαʔϏεͰԆɾΤϥʔൃੜɻ ϨΠςϯγɾλΠϜΞτ૿ՃɻαʔϏε܈ʹӨڹ ٴɻ աڈԿ͔όʔδχΞ෦Ϧʔδϣϯ͕ىҼͰେنো͕ൃੜ
ࠓճͷোͷݪҼ %ZOBNP%# %/4 όʔδχΞ෦Ϧʔδϣϯ Ծ EZOBNPECVTFBTUBNB[POBXTDPN ެࣜͷใࠂ༰ΛͱʹߏͱোΛਪଌͯ͠؆ུԽͯ͠هࡌͨ͠ͷͰ͋ΔͨΊɺਖ਼͍͠ͱݶΓ·ͤΜɻ ໊લղܾ ΞΫηε ෦తʹ%ZOBNP%#ͱؔ࿈͍ͯ͠Δ֤αʔϏεͨͪ
ͳͲ ֤αʔϏεͨͪ ར༻ %ZOBNP%#αʔϏεΤϯυϙΠϯτͷ%/4ղܾͷ ͜ΕΛىҼͱͯ͠ɺάϩʔόϧαʔϏεؚΊؔ࿈͢Δ֤छαʔϏεʹٴ͠ɺେنোʹͭͳ͕ͬͨɻ w োൃੜ࣌1%5 ຊ࣌ؒ w ෮چ࣌1%5 ຊ࣌ؒ
·ͱΊ ͦͷਓྨࢥ͍ग़ͨ͠ ʮγεςϜোʯʹࢧ͞Ε͍ͯͨڪාΛ ʮ"84ʯͷதʹनΘΕ͍ͯͨ۶ৱΛ ͰɺγεςϜোى͜ΔͷͳͷͰɺ ͋·Γා͕Βͣɺ༰ʹͳΖ͏Ͷɻ