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8FCαʔόͷߴूੵϚϧνςφϯํࣜʹ͓͚ΔϦιʔε؅ཧͷ՝୊ͱղܾ দຊ྄հɼాฏ߁࿕ɼࢁԼ࿨඙ɼ܀ྛ݈ଠ࿠ϖύϘݚڀॴ ୈճΠϯλʔωοτͱӡ༻ٕज़ݚڀձ *05 ಛ௃ྔநग़ͱมԽ఺ݕग़ʹجͮ͘ 8FCαʔόϦιʔεͷࣗ཯੍ޚΞʔΩςΫνϟ

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໨࣍ wߴूੵϚϧνςφϯτํࣜͱ՝୊ wϦιʔε؅ཧͷैདྷख๏ͷ՝୊ wఏҊख๏ w༧උ࣮ݧͱߟ࡯ w·ͱΊ

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ߴूੵϚϧνςφϯτํࣜͱ՝୊

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8FCαʔόͷߴूੵϚϧνςφϯτํࣜ w୯ҰͷαʔόʹߴूੵʹϢʔβ؀ڥʢϗετʣΛऩ༰ wӡ༻ίετͱऩ༰ʢϋʔυ΢ΣΞʣίετΛ௿ݮՄೳ wϢʔβ؀ڥͷίϯςϯπ·Ͱ੍ޚՄೳͳ৔߹͸ద੾ wࣄۀऀ͕ίϯςϯπΛ؅ཧͰ͖ͳ͍৔߹ӡ༻͕ඇৗʹࠔ೉

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8FCίϯςϯπͷ؅ཧͱϚϧνςφϯτ w8FCίϯςϯπΛࣄۀऀ͕؅ཧͰ͖Δ৔߹ wίϯςϯπʹ߹ΘͤͯϦιʔε΍ݖݶͷ෼཭Λ૝ఆՄೳ w8FCίϯςϯπΛࣄۀऀ͕؅ཧͰ͖ͳ͍৔߹ w͋ΒΏΔίϯςϯπ͕ಈͨ͘Ίऩ༰ઃܭɾӡ༻͕ࠔ೉ w੬ऑͳίϯςϯπ͕͋ΔલఏͰϦιʔεɾݖݶ෼཭

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ߴूੵڞ༗8FCϗεςΟϯάαʔϏε

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ڞ༗8FCϗεςΟϯάαʔϏεͷಛ௃ w8FCίϯςϯπΛࣄۀऀ͕؅ཧͰ͖ͳ͍యܕྫ w௿Ձ֨ԽͷͨΊߴूੵϚϧνςφϯτํࣜΛ࠾༻ wͰ͖Δ͚ͩฏ౳ʹϢʔβମݧΛఏڙ͍ͨ͠ wͱ͸͍͑Ϧιʔε͕༨͍ͬͯΕ͹ࣗ༝ʹ࢖ͬͯ௖͘ wద੾ͳϦιʔε؅ཧ͕ॏཁʢຊݚڀͷείʔϓʣ

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8FCαʔόͷجຊతͳϞσϧ 1BSFOUIUUQEQSPDFTT PXOFSSPPU $IJMEIUUQEQSPDFTT PXOFSIUUQE $IJMEIUUQEQSPDFTT PXOFSIUUQE $IJMEIUUQEQSPDFTT PXOFSIUUQE $MJFOU ϦΫΤετ Ϩεϙϯε 6/*9ܥ04ͷ৔߹ࣄલʹϦΫΤετΛड͚Δ ϓϩηεΛෳ਺GPSL ͯ͠ϓʔϧ͓ͯ͘͠ ʢ͜ΕΒશͯΛؚΊͯʮ୯Ұͷαʔόϓϩηεʯͱఆٛʣ ϦΫΤετ Ϩεϙϯε ϦΫΤετ Ϩεϙϯε

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ߴूੵ8FCϗεςΟϯάͷΞʔΩςΫνϟ IUUQE Ϣʔβ" IUUQE Ϣʔβ# IUUQE Ϣʔβ$ IUUQE Ϣʔβ" Ϣʔβ# Ϣʔβ$ ޮ཰ྑ͘࢒ϦιʔεΛ࢖͑Δ ىಈʹඞཁ ͳϦιʔε ىಈʹඞཁ ͳϦιʔε ىಈʹඞཁ ͳϦιʔε ىಈʹඞཁͳϦιʔε ߴूੵ͕ཁٻ͞ΕΔ৔߹ͷ Ϛϧνςφϯτʢຊݚڀʣ ୯Ұͷαʔόϓϩηε ϚϧνςφϯτͷผΞϓϩʔν ෳ਺ͷαʔόϓϩηε

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ߴूੵԽʹ͓͚ΔϦιʔε໘ͷϝϦοτ wऩ༰ޮ཰͕ߴ͍ͨΊ௿Ձ֨ͰఏڙՄೳ w7.΍ίϯςφͰ͸ͳ͘7JSUVBM)PTUํࣜ˞ͳͲ wαʔόࣗମͷϦιʔε͕༨͍ͬͯΔ৔߹͸ར༻Մೳ wڞ༗αʔό͸ੑೳ͕ൺֱతྑ͍ wઐ༻αʔόΑΓ΋ੑೳ͕ྑ͍ঢ়گ΋༗ΓಘΔ ˞ɹ"QBDIFόʔνϟϧϗετઆ໌ॻɹIUUQIUUQEBQBDIFPSHEPDTDVSSFOUWIPTUT

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ߴूੵԽʹ͓͚ΔϦιʔε໘ͷσϝϦοτ ϗετؒͷϦιʔεڝ߹͕ൃੜ wಛఆͷςφϯτͷϦιʔεઐ༗ʹӨڹΛड͚΍͍͢ ߴूੵԽ͕ਐΉͱෛՙςφϯτͷௐࠪɾରԠ͕ࠔ೉ wେྔϩά͔Βͷଈ࣌ݪҼ௥ٻ͕ࠔ೉ wݪҼରԠͷ੍ݶख๏ͷ૊Έ߹Θͤͷܾఆ͕ࠔ೉

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طଘख๏ɿϗετؒͷϦιʔεڝ߹ͷվળ wϦΫΤετ୯ҐͰԾ૝తʹίϯϐϡʔλϦιʔεΛ෼ ཭͢Δ8FCαʔόͷϦιʔε੍ޚΞʔΩςΫνϟ˞ wϢʔβମݧΛۃྗଛͳΘͳ੍͍ݶख๏ͷఏҊ wґવͱͯ͠ݪҼௐࠪͱ੍ݶͷ૊Έ߹Θܾͤఆͷίε τʹ՝୊༗Γ ˞ɹদຊ྄հɾԬ෦णஉ ϦΫΤετ୯ҐͰԾ૝తʹίϯϐϡʔλϦιʔεΛ෼཭͢Δ8FCαʔόͷϦιʔε੍ޚΞʔΩςΫνϟ ৘ ใॲཧֶձݚڀใࠂ7PM*05 /P ೥݄

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ຊݚڀͷ໨త ίϯςϯπΛ؅ཧͰ͖ͳ͍ߴूੵϚϧνςφϯτํࣜɺಛ ʹߴूੵͷڞ༗8FCϗεςΟϯάαʔϏεʹ͓͍ͯ աڈͷϦιʔε࢖༻ྔͷ܏޲ͱಛ௃Λஞֶ࣍श͠ͳ͕ Βߴ଎ʹෛՙݪҼΛࣗಈݕग़͢Δ ݕग़݁Ռʹج͍ͮͯෛՙͷಛ௃ʹ΋ͱ͍ͮͨଈ࣌ੑͷ ߴ͍ࣗಈ੍ݶΛߦ͏

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ϚϧνςφϯτํࣜͷϦιʔε؅ཧͷ ैདྷख๏ͷ՝୊

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Ϧιʔε؅ཧͷ՝୊ ߴෛՙ࣌ͷϦΫΤετʹର͢Δ੍ݶͷ՝୊ wಉ࣌઀ଓ਺੍ݶͷ՝୊ wϦΫΤετ୯Ґͷ$16Ϧιʔε੍ݶͷ՝୊ ݪҼௐࠪͱ੍ݶख๏ͷ૊Έ߹Θͤͷܾఆͷ՝୊

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ߴෛՙ࣌ͷϦΫΤετʹର͢Δ ੍ݶͷ՝୊

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ಉ࣌઀ଓ਺੍ݶͱ$16Ϧιʔε੍ݶ 8FCαʔό 8FCαʔό αʔόશମͷ$16Ϧιʔε͕ṧഭͨ͠ঢ়ଶʹ͓͍ͯɺ$16Ϧιʔε੍ݶΛ࢖͏ͱɺ ࢖༻Ͱ͖Δ$16Ϧιʔε͸ʹ੍ݶ͞ΕΔ͕ɺར༻Ͱ͖ΔΫϥΠΞϯτ਺͸ഒ ΞΫηεෆՄ ΞΫηεՄ ΞΫηεՄ $16ˋ࢖༻͢Δ ͭͷϦΫΤετʢϓϩάϥϜʣΛॲཧ ࠷େ$16࢖༻཰ˋʹ੍ݶ͞Εͨ ͭͷϦΫΤετʢϓϩάϥϜʣΛॲཧ $16Ϧιʔε੍ݶͱ$16࢖༻཰ ಉ࣌઀ଓ਺ͱ$16࢖༻཰

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ಉ࣌઀ଓ਺੍ݶͱ$16Ϧιʔε੍ݶͷ՝୊ wಉ࣌઀ଓ਺੍ݶͷ՝୊ w੍ݶཻ౓ͷૈ͞ˠ੍ݶ࣌ʹϢʔβମݧ͕ۃ୺ʹ௿Լ w$16Ϧιʔε੍ݶͷ՝୊ w௿଎ͳॲཧ͕ఀ଺ˠαʔόશମͷ࠷େಉ࣌઀ଓ΁ wಉ࣌઀ଓ਺੍ݶͳͲͱ૊Έ߹ΘͤΔඞཁ༗Γ

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ݪҼௐࠪͱ੍ݶख๏ͷ૊Έ߹Θͤͷ ܾఆͷ՝୊

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ݪҼௐࠪͱ੍ݶઃఆछผͷऔࣺબ୒ͷ՝୊ wߴूੵʹΑΔେྔϩά͔Βͷଈ࣌ݪҼ௥ٻ͕ࠔ೉ wΞΫηεύλʔϯͷಛ௃͕ϩάʹຒ΋ΕΔ wղੳظؒઃఆͱಛ௃ྔநग़ͷόονతௐࠪͷݶք w੍ݶख๏ͷ૊Έ߹Θͤͷܾఆ͕ࠔ೉ wݪҼͷಛ௃நग़͕ਓʹґଘ͓ͯ͠Γ҆ఆ͠ͳ͍

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ఏҊख๏

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՝୊ղܾͷΞϓϩʔν աڈͷϦιʔε࢖༻ྔͷ܏޲ͱಛ௃Λஞֶ࣍श͠ͳ͕ Βߴ଎ʹෛՙݪҼΛࣗಈݕग़͢Δ ˠɹݪҼͷಛఆͱಛ௃ͷநग़ίετΛ௿ݮ ݕग़݁Ռʹج͍ͮͯෛՙͷಛ௃ʹ΋ͱ͍ͮͨଈ࣌ੑͷ ߴ͍ࣗಈ੍ݶΛߦ͏ ˠɹ੍ݶख๏ͷ૊Έ߹ΘܾͤఆίετΛ௿ݮ

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ಥൃతͳߴෛՙͷݪҼ ܦݧతʹɺαʔόͷϦιʔε࢖༻ྔͷେখΑΓ΋ɺϦ ιʔε࢖༻ྔͷมԽͷେখ͕ߴूੵϚϧνςφϯτํ ࣜʹ͓͚ΔಥൃతͳߴෛՙͷݪҼͱͳΔ͜ͱ͕ଟ͍ɻ ·ͨɺͦͷݪҼͷߟྀ͕ௐࠪίετΛ૿େ͍ͤͯ͞Δɻ

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Ϧιʔε஋ͷมԽ఺ݕग़ΛԠ༻ wϦιʔε஋ͷ࣌ܥྻσʔλͷมԽ఺είΞΛܭࢉ˞ wมԽ఺ݕग़͸GBMTFQPTJUJWFOFHBUJWF͕ॏཁ wมԽ఺ݕग़ޙʹଈ੍࣌ݶ͢Δͱޡݕ஌ͷӨڹେ w౷ܭ஋Λ׆͔ͤΔݕ஌࣌ͷΞΫγϣϯ͕ඞཁ ˞+5BLFVDIJBOE,:BNBOJTIJ l"6OJGZJOH'SBNFXPSLGPS%FUFDUJOH0VUMJFSTBOE$IBOHF1PJOUTGSPN5JNF 4FSJFT z*&&&USBOTBDUJPOTPO,OPXMFEHFBOE%BUB&OHJOFFSJOH QQ

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γϛϡϨʔγϣϯσʔλͱมԽ఺είΞ ैདྷͷᮢ஋ॲཧͰ͸ݕ஌͕ࠔ೉͕ͩ มԽ఺ݕग़ʹΑͬͯݕ஌Մೳ ແࢹ͍ͨ͠

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มԽྔΛஞ࣍ղੳͯ͠ௐࠪͱରԠʹ׆༻ wաڈͷϦιʔε஋ͷ܏޲มԽΛΦϯϥΠϯͰஞֶ࣍श wมԽΛ΋ͨΒͨ͠ݪҼͷॏΈ෇͚Λஞ࣮࣍ࢪ wαʔόߴෛՙ࣌ʹࣗಈͰݪҼର৅ͱॏΈ෇͚͔Β੍ݶ ˠ)551ϦΫΤετܖػʹ8FCαʔό͕ࣗ཯తʹϦ ΫΤετͷಛ௃ྔΛղੳɾ੍ޚͰ͖ͨΒଈ࣌ੑ΋޲্

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ఏҊख๏ ϦΫΤετ୯ҐͷϨεϙϯελΠϜͱಉ࣌઀ଓ਺ͷ࣌ܥྻ σʔλ͔Βಛ௃ྔͱͯ͠ͷมԽ఺είΞܭࢉ มԽ఺είΞͷՃࢉʹΑΔϗετ΍ϑΝΠϧʹؔ͢Δಛ௃ ྔͷॏΈ෇͚Ϧετͷੜ੒ ߴෛՙ࣌ʹϦετͷϥϯΩϯάͷߴ͍ऩ༰ϗετ΍ϑΝΠ ϧ΁ͷϦΫΤετ͸ಛ௃ྔʹ΋ͱ͍ͮͯ$16Ϧιʔεͱಉ ࣌઀ଓ਺ʹΑͬͯࣗ཯੍ޚ

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࣮૷

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ఏҊख๏ͷࣗ཯੍ޚϑϩʔ 8FCαʔό ϓϩηε ΫϥΠΞϯτ ϦΫΤετ Ϩεϙϯε ॏΈ෇͚Ϧετ Ϩεϙϯεੜ੒ʹ ফඅͨ͠Ϧιʔε஋͔ ΒมԽ఺είΞܭࢉ ϗετ ͱεΫϦϓτ ຖͷϦ ιʔε࢖༻ྔͷ࣌ܥྻσʔλ ͔Βஞ࣍ܭࢉͨ͠౷ܭϞσϧ ͷ܎਺Λอଘ มԽ఺είΞΛॏΈ ෇͚ϦετʹՃࢉ ߴෛՙ࣌͸ॏΈ෇͚Ϧ ετ্Ґͷ৔߹ɺ੍ݶԼ ͰϨεϙϯεੜ੒ Ϧιʔεݶఆ؀ڥ $16ˋ *014 ϑΝΠϧ΁ͷಉ࣌઀ଓ਺

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σʔλੜ੒ͱղੳख๏͸ఏҊɾ࣮૷ࡁΈ w8FCαʔόͷػೳ֦ுNPE@NSVCZOHY@NSVCZ˞ wมԽ఺ݕग़ΤϯδϯNSVCZDIBOHFpOEFS wಉ࣌઀ଓ਺੍ݶIUUQBDDFTTMJNJUFS ˞দຊ྄հ Ԭ෦णஉ NPE@NSVCZεΫϦϓτݴޠͰߴ଎͔ͭলϝϞϦʹ֦ுՄೳͳ8FCαʔόͷػೳ֦ுࢧԉػߏ ৘ ใॲཧֶձ࿦จࢽɼ7PM /P QQ /PW

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ղੳର৅ͷ࣌ܥྻσʔλͱॏΈ෇͚Ϧετ wϨεϙϯελΠϜͷ࣌ܥྻσʔλ wSD@TDPSFͱͯ͠มԽ఺είΞΛॏΈ෇͚ʹՃࢉ wಉҰϑΝΠϧ΁ͷಉ࣌઀ଓ਺ͷ࣌ܥྻσʔλ wTU@TDPSFͱͯ͠มԽ఺είΞΛॏΈ෇͚ʹՃࢉ wTDPSF͸ϗετɾϑΝΠϧ୯ҐͰॏΈ෇͚

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ॏΈ෇͚Ϧετͷσʔλߏ଄ྫ { host1: {ɹɹɹɹɹɹɹɹɹɹɹɹ # ϗετ໊ st_score: 83, # ϗετͷಉ࣌઀ଓ਺είΞ rc_score: 32, # ϗετͷϨεϙϯελΠϜείΞ files: { path_to_progmra1: { # ϓϩάϥϜϑΝΠϧύε st_score: 30, # ϑΝΠϧͷಉ࣌઀ଓ਺είΞ rc_score: 20, # ϑΝΠϧͷϨεϙϯελΠϜείΞ }, path_to_progmra2: { st_score: 53, rc_score: 12, }, }, }, ϑΝΠϧ΁ͷϦΫΤετʹରͯ͠ܭࢉͨ͠είΞΛɺ֘౰ ͢ΔϗετͱϑΝΠϧͷείΞʹͦΕͧΕՃࢉ͢Δ

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มԽ఺είΞܭࢉྫ > cf = ChangeFinder.new 5, 0.01, 10, 0.01, 7 => #, @smooth_term=5, @outlier_analyze=#> > cf.learn [1,2,1,2,3,2,1,2,1] => [6.2017912433901, 1.3973555597559, 2.4211198000217, 2.3979400886673, 1.7835503570548, 1.4166612339939, 1.4837836144657, 1.2835583707215, 1.1556254255408] > cf.score 1 => 1.1044914205061

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8FCαʔόͷมԽ఺ݕग़֦ுͷઃఆྫ # /etc/httpd/conf.d/mod_mruby.conf LoadModule mruby_module modules/mod_mruby.so # ChangeFinderͷॳظԽॲཧΛϑοΫ mrubyPostConfigMiddle cf_init.rb cache # มԽ఺είΞͷܭࢉॲཧΛϑοΫ mrubyLogTransactionMiddle cf_score.rb cache

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มԽ఺ݕग़ΤϯδϯͷॳظԽ࣮૷ྫ # ChangeFinderΠϯελϯεੜ੒ cf = ChangeFinder.new(5, 0.1, 10, 0.1, 3) # ԾֶशσʔλʹΑΔࣄલֶश cf.learn [1,1,1,1,1,1,1,1,1,1] # ֤ϑΣʔζͰσʔλΛऔΓग़ͤΔΑ͏ʹϢʔβσʔλʹอଘ Userdata.new.cf_list = {} Userdata.new.cf = cf

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ϗετ୯ҐͷมԽ఺είΞͷܭࢉྫ r = Apache::Request.new cf = Userdata.new.cf cf_list = Userdata.new.cf_list
 hostname = r.hostname res_time = r.response_time # vhostͷChangeFinderΠϯελϯε͕ଘࡏ͠ͳ͚Ε͹ෳ੡ unless cf_list.has_key?(hostname) usercf[hostname] = cf.clone end # ϦΫΤετλΠϜ͔ΒมԽ఺είΞΛܭࢉ͠ϩάʹग़ྗ Apache.log Apache::APLOG_ERR, “requesttime: #{r.response_time.to_s} score: #{cf_list[hostname].score(res_time)} hostname: #{hostname}”

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੍ݶϧʔϧ wTU@TDPSFͷᮢ஋௒ա࣌͸ಉ࣌઀ଓ਺੍ݶ wSD@TDPSFͷᮢ஋௒ա࣌͸࠷େ$16࢖༻཰੍ݶ w྆ํͷείΞ͕ߴ͍৔߹͸྆ํΛ੍ݶ

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੍ݶख๏ͷίϯϙʔωϯτ͸࣮૷ࡁΈ wϦΫΤετ୯ҐͰ$16ͷ࠷େ࢖༻཰Λมߋ˞ wDHSPVQ NSVCZDHSPVQ ΍SMJNJU NSVCZSFTPVSDF wϗετ୯Ґ΍ϑΝΠϧ୯ҐͰͷಉ࣌઀ଓ਺Λมߋ wNPE@NSVCZͱIUUQBDDFTTMJNJUFS ˞দຊ྄հɾԬ෦णஉ ϦΫΤετ୯ҐͰԾ૝తʹίϯϐϡʔλϦιʔεΛ෼཭͢Δ8FCαʔόͷϦιʔε੍ޚΞʔΩςΫ νϟ ৘ใॲཧֶձݚڀใࠂ7PM*05 /P ೥݄

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༧උ࣮ݧͱߟ࡯

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༧උ࣮ݧͱߟ࡯ w ༧උ࣮ݧͱͯ͠ैདྷͷෛՙௐࠪɾ੍ݶΛࣗಈԽ w ΞΫηε਺΍ϨεϙϯελΠϜͷ૯ྔͷϥϯΩϯά ΍઎༗཰͔Βෛՙର৅ͱͳΔϗετΛݕग़ɾ੍ݶ w ಋೖલޙͰϦιʔε໘΍ӡ༻໘ͷޮՌΛߟ࡯

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༧උ࣮ݧͱߟ࡯ w αʔόͷϩά͔ΒॏΈ෇͚ϦετΛ࡞੒ͯ͠ߟ࡯ w ैདྷख๏Ͱௐࠪʹ࣌ؒͷ͔͔ͬͨෛՙର৅ͷಛ௃ Λநग़Ͱ͖͍ͯΔ͔

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࣮ݧ؀ڥ ߲໨ ࢓༷ $16 *OUFM9FPO&W()[ .FNPSZ (#ZUFT 4FSWFS /&$&YQSFTT3G& 04 $FOU04-JOVY,FSOFM ΞΧ΢ϯτ਺ ໿ΞΧ΢ϯτ ϗετ਺ ໿ϗετ ೔ͷฏۉΞΫηε਺ ໿ສΞΫηε

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BMCBैདྷͷෛՙ΍ௐࠪ΍੍ݶΛࣗಈԽ BMCB 8FCαʔόϓϩηε 8FCαʔόϓϩηεͷ ઃఆ 8FCαʔόϓϩηεͷ ϩά ؂ࢹίϯςϯπͷϨεϙϯε͕ ඵҎ্·ͨ͸ϩʔυΞϕϨʔδҎ্ ͔Λ෼ຖʹνΣοΫ աڈ෼ͷϩά͔Β ॲཧ࣌ؒͷ߹ܭ͕࠷΋ଟ͍ΞΧ΢ϯτPSϗετ ΞΫηε਺ͷ߹ܭ͕࠷΋ଟ͍ΞΧ΢ϯτPSϗετ Λநग़ நग़ͨ͠ΞΧ΢ϯτ΍ϗετͷΞΫηε਺΍ॲཧ͕࣌ؒ શମͷҎ্઎༗͍ͯ͠Ε͹࠷େಉ࣌઀ଓ਺ Ҏ্Ͱ͋Ε͹࠷େಉ࣌઀ଓ਺ ʹઃఆʢ෼ޙʹෆՄ͕؇࿨ͨ͠Βղআʣ

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ϗετऩ༰ఀࢭ BMCBಋೖ ೥ؒͷϩʔυΞϕϨʔδͷਪҠ

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BMCBಋೖ ϗετऩ༰ఀࢭ ೥ؒͷ$16࢖༻཰ͷਪҠ

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BMCBಋೖ ϗετऩ༰ఀࢭ ೥ؒͷඵؒͷΞΫηε਺ͷਪҠ

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0 10 20 30 40 50 60 70 2016/3/25 2016/4/25 2016/5/25 2016/6/25 2016/7/25 2016/8/25 2016/9/25 2016/10/25 2016/11/25 2016/12/25 2017/1/25 the number of alert/day the number of alert/day BMCBಋೖ ϗετऩ༰ఀࢭ ೥ؒͷ೔ͷΞϥʔτ਺ͷਪҠ

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0 500 1000 1500 2000 2500 3000 2016/3/25 2016/4/25 2016/5/25 2016/6/25 2016/7/25 2016/8/25 2016/9/25 2016/10/25 2016/11/25 2016/12/25 2017/1/25 total number of alert total number of alert BMCBಋೖ ϗετऩ༰ఀࢭ ೥ؒͷΞϥʔτ૯਺ͷਪҠ

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༧උ࣮ݧͷߟ࡯ wBMCBಋೖલޙͰϦιʔε΍Ξϥʔτ਺ͷվળ͸ݟΒΕ ͳ͔ͬͨ wઃఆมߋ࣌ͷϓϩηεͷϦϩʔυͰߴෛՙʹ wΞϥʔτޙ͸BMCBͰղܾࡁΈͷ৔߹΋͋Γ wϦϩʔυͷ໰୊ͱղܾࡁΈ͔Ͳ͏͔ͷࢦඪ͕ඞཁ

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༧උ࣮ݧͷߟ࡯ wैདྷͷௐࠪํ๏ʹΑΔΞΫηε਺΍ϨεϙϯελΠϜͷ্Ґ ϗετ͔Β͸ݪҼΛݟ͚ͭΒΕͳ͔ͬͨ w࣮ࡍͷো֐ରԠ࣌͸ϦΫΤετ͋ͨΓͷϨεϙϯελΠϜ ͷฏۉ஋͔Βର৅ͷϗετΛݕग़ͨ͠ wఏҊख๏ͷॏΈ෇͚Ϧετͷ্Ґϗετͱͯ͠ݕग़ w૯ྔʹՃ͑ͯมԽྔͷࢦඪΛಛ௃ͱͯ͠ߟྀ͍ͯ͠ΔͨΊ

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·ͱΊ

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·ͱΊ wैདྷख๏ͷ՝୊ΛมԽ఺είΞʹΑΔಛ௃ྔநग़ͷΞ ϓϩʔν͔Βղܾ͢Δख๏ͷఏҊ wߴूੵʹΑΔେྔϩά͔Βͷଈ࣌ݪҼ௥ٻ͕ࠔ೉ wݪҼରԠͷ੍ݶख๏ͷ૊Έ߹Θͤͷܾఆ͕ࠔ೉ wఏҊख๏ͷ࣮૷ͱධՁͷࢦඪͷબఆΛਐΊ͍ͯ͘