はじめての Elasticsearch

͸͡Ίͯͷ &MBTUJDTFBSDI! ,VOJIJLP,JEP LJEP!LOPXMFEHFXPSLTDPKQʗ! ,OPXMFEHF8PSLT *OD

"HFOEB w &MBTUJDTFBSDIͱ͸ʁ w ݕࡧํࣜʹΑΔ෼ྨ w ݕࡧΤϯδϯʹΑΔ෼ྨ w &MBTUJDTFBSDIͷಛ௃ w
࢖༻։࢝͢Δ̏εςοϓ w ॏཁͳߏ੒ཁૉ w ࿦ཧతͳཁૉ w ෺ཧతͳཁૉ w "1*ૢ࡞ͷجຊ w υΩϡϝϯτͷొ࿥ w υΩϡϝϯτͷݕࡧ w υΩϡϝϯτͷ࡟আ w &MBTUJDTFBSDI"1*T w .BQQJOH w "HHSFHBUJPO w 1FSDPMBUPS w ϓϥάΠϯ w ϩάऩूϛυϧ΢ΣΞ w ,JCBOBʢՄࢹԽπʔ ϧʣ

&MBTUJDTFBSDIͱ͸ʁ w &MBTUJDTFBSDI͕ࣾఏڙ͢ΔɺΦʔϓϯιʔεͷݕࡧΤϯδϯͰ͢ɻϑϦʔϫʔυݕࡧ΍ߜΓࠐΈɺιʔτͳͲͷجຊత ͳݕࡧػೳͷ΄͔ɺBHHSFHBUJPOͱݺ͹ΕΔڧྗͳϦΞϧλΠϜ෼ੳʢूܭʣͳͲͷߴ౓ͳݕࡧػೳͷఏڙ΍ɺΫϥ΢ υ؀ڥʹ࠷దԽ͞Εͨ෼ࢄॲཧ΍ߴՄ༻ੑɺ"1*ۦಈɺεϚʔϑϦʔɺϚϧνςφϯγʔͳͲͷಛ௃Λ͍࣋ͬͯ·͢ɻ ʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙʙ ϑϦʔϫʔυݕࡧʗαδΣετ ιʔτ ϋΠϥΠτ ϖʔδϯά
ߜΓࠐΈ ूܭ

ݕࡧํࣜʹΑΔ෼ྨ w ॱ࣍ݕࡧ w ̍࡭ͷຊʹྫ͑ΔͳΒɺຊͷ̍ϖʔδ໨͔Βॱ࣍୯ޠΛ୳͢Πϝʔδ w "ςΩετΤσΟλͷݕࡧɺHSFQίϚϯυɺ3%#ͷ-JLFݕࡧͳͲ w ࡧҾݕࡧ#&MBTUJDTFBSDI w
̍࡭ͷຊʹྫ͑ΔͳΒɺຊͷ຤ඌʹ͋ΔࡧҾ͔ΒϖʔδΛ୳͢Πϝʔδ w " ͍ΘΏΔશจݕࡧΤϯδϯͱݺ͹ΕΔιϑτ΢ΣΞ ݕࡧ଎౓ ஗ ૣ ରԠՄೳͳن໛ খ େ ࣄલ४උ ෆཁ ඞཁ

ݕࡧΤϯδϯʹΑΔ෼ྨ w ݕࡧϥΠϒϥϦ w " -VDFOFͳͲ w ݕࡧαʔόʔ#&MBTUJDTFBSDI w "
4PMSɺHSPPOHBɺͳͲ w ݕࡧγεςϜ w " SharePointͳͲ ݕࡧؔ࿈ͷ஌ࣝ೉қ౓ ߴ ௿ ػೳͷ๛෋͞ গ ଟ ద༻ൣғ ޿ ڱ &MBTUJDTFBSDI͸ɺओʹΞϓϦέʔγϣϯͷόοΫΤϯυͳͲͰར༻͢ΔͨΊͷݕࡧΤϯδϯαʔ όʔʹ෼ྨ͞Ε·͢ɻ·ͨɺϓϥάΠϯΛΠϯετʔϧ͢Δ͜ͱͰɺ֦ு͢Δ͜ͱ͕Ͱ͖·͢ɻ

&MBTUJDTFBSDIͷಛ௃ w ϦΞϧλΠϜσʔλ w ΄΅ϦΞϧλΠϜʹΠϯσοΫεɻ w ϦΞϧλΠϜ෼ੳ w σʔλΛूܭ͢ΔͨΊͷػೳ͕ॆ࣮ɻ w
෼ࢄॲཧγεςϜ w ̍୆ͷখ͞ͳγεςϜߏ੒͔Βɺن໛ʹԠͯ͡ෳ਺୆ ͷϊʔυߏ੒ʹΑΔ֦ுɻ w ߴՄ༻ੑ w ো֐͕ൃੜͨ͠ϊʔυΛࣗಈతʹ੾Γ཭ͯ͠ɺ҆શʹ ΫϥελʔΛ࠶ߏ੒ɻ w Ϛϧνςφϯγʔ w ̍ͭͷΫϥελʔ͸ෳ਺ͷΠϯσοΫε͕࡞੒Մೳɻ ΤΠϦΞεΛ࢖ͬͯݕࡧର৅Λίϯτϩʔϧ w ߴ౓ͳݕࡧػೳ w શจݕࡧɺଟݴޠαϙʔτɺڧྗͳΫΤϦݴޠɺ(&0 ϩέʔγϣϯɺ΋͔ͯ͠͠ʁɺϓϨϑΟοΫεαδΣ ετͳͲߴ౓ͳݕࡧΛαϙʔτɻ w υΩϡϝϯτࢤ޲ w ߏ଄Խ͞Εͨ+40/υΩϡϝϯτͱͯ͠ɺෳࡶͳσʔ λߏ଄ΛΠϯσοΫεՄೳɻσϑΥϧτͰ͸͢΂ͯͷ ϑΟʔϧυ͕ΠϯσοΫε͞Εɺ୯ҰͷΫΤϦʔͰݕ ࡧɺฦ٫Մೳɻ

&MBTUJDTFBSDIͷಛ௃ w িಥ؅ཧ w ָ؍తͳόʔδϣϯ؅ཧʹΑͬͯɺෳ਺ͷϓϩηε͔ ΒͷมߋॲཧʹΑΔিಥΛճආ w εΩʔϚϑϦʔ w +40/υΩϡϝϯτ͔Βࣗಈతʹͦͷσʔλߏ଄Λݕ
ग़ͯ͠ΠϯσοΫεΛ࡞੒͠·͢ɻ·ͨɺඞཁʹΑͬ ͯεΩʔϚఆٛΛΧελϚΠζ͢Δ͜ͱ΋Մೳɻ w 3FTUGVM"1* w &MBTUJDTFBSDI͸"1*ۦಈͰ͢ɻ΄ͱΜͲͷૢ࡞͸γ ϯϓϧͳ3FTUGVM"1*Λ࢖༻ͯ͠ίϯτϩʔϧͰ͖Δ ͨΊɺ։ൃʹ͸+BWB΍3VCZɺ1ZUIPOͳͲࣗ༝ʹબ ୒͢Δ͜ͱ͕Ͱ͖·͢ɻ w ૢ࡞୯ҐͰͷӬଓੑ w τϥϯβΫγϣϯϩάʹΑΔૢ࡞୯ҐͰͷӬଓੑͷ֬ อ w Φʔϓϯιʔεʢ"QBDIF-JDFOTFʣ w ແঈͰ࢖༻ɾमਖ਼Ͱ͖Δ"QBDIF഑ԼͰ഑෍͞Ε ͍ͯ·͢ɻ w -VDFOFϕʔε w 4PMSͱಉ͡-VDFOFΛ࢖༻

࢖༻։࢝͢Δ̏εςοϓ w &MBTUJDTFBSDIΛ࢖༻։࢝͢Δʹ͸ɺ࣍ͷεςοϓɻ w ˞ͦͷଞɺBQU΍ZVNΛ࢖༻ͨ͠Πϯετʔϧํ๏΋༻ҙ͞Ε͍ͯ·͢ɻ μ΢ϯϩʔυͯ͠ղౚ͢Δɻ ࠷৽൛ɿIUUQXXXFMBTUJDTFBSDIPSH PWFSWJFXFMLEPXOMPBET $
ίϚϯυͰىಈ͢Δɻ CJOFMBTUJDTFBSDI % "1*Ͱૢ࡞͢Δɻ (&51651045%&-&5&)&"% !

ॏཁͳߏ੒ཁૉ

࿦ཧతͳཁૉ *OEFY lCPPLTUPSFz 5ZQF lCPPLTz 5ZQF lNBHB[JOFTz 5ZQF lVTFSTz %PDVNFOUT
%PDVNFOUT %PDVNFOUT 'JFMET 'JFMET 'JFMET 㲈%BUBCBTF 㲈5BCMF 㲈3PX 㲈$PMVNO &MBTUJDTFBSDI 3FMBUJPOBM%# *OEFY΋ෳ਺ఆٛՄೳ 3FMBUJPOBM%# 3FMBUJPOBM%# 3FMBUJPOBM%# "MJBT lBMM@CPPLTz "MJBT lOFX@CPPLTz "MJBT lTBMF@CPPLTz 㲈7JFX 3FMBUJPOBM%#

෺ཧతͳཁૉ /PEF 1SJNBSZ 4IBSE lCPPLTUPSFz 3FQMJDB 4IBSE lCPPLTUPSFz /PEF 3FQMJDB
4IBSE lCPPLTUPSFz 1SJNBSZ 4IBSE lCPPLTUPSFz /PEF 3FQMJDB 4IBSE lCPPLTUPSFz 1SJNBSZ 4IBSE lCPPLTUPSFz &MBTUJDTFBSDI$MVTUFS ̍ͭͷ࿦ཧతͳΠϯσοΫε͸ ̍ͭҎ্ͷ1SJNBSZ 4IBSE͔Βߏ੒͞Ε·͢ɻ ̍ͭͷ1SJNBSZ4IBSE͸ ̌ݸҎ্ͷ3FQMJDB4IBSE ʢಡΈऔΓઐ༻ʣΛ࣋ͭ͜ͱ͕Ͱ͖·͢ɻ 1SJNBSZ4IBSEͷ਺͸Ұ౓ΠϯσοΫεΛ࡞੒ͯ͠͠ ·͏ͱ૿΍͢͜ͱ͕Ͱ͖·ͤΜɻ 3FQMJDB4IBSEͷ਺͸ΠϯσοΫε࡞੒ޙ΋૿΍͢͜ ͱ͕Ͱ͖·͢ɻ /PEF͸$MVTUFSΛߏ੒͢Δ࠷খ୯ҐͰ͢ɻ /PEF਺㲈αʔόʔ਺

*OEFYઃܭ࣌ͷߟྀ఺ w େن໛ͳσʔλΛߟྀ͢Δ৔߹ w ಉ͡σʔλιʔεͰ΋େྔͷσʔλ਺͕૝ఆ͞ΕΔ৔߹ɺ 1SJNBSZ4IBSE਺ͷ֦ு͕Ͱ͖ͳ͍ͨΊɺ͋Β͔͡Ί*OEFY ϨϕϧͰ෼ׂ͢Δઃܭ͕ඞཁɻ w ྫ͑͹ w
ϩάͰ͋Ε͹݄ɺ೔୯ҐͳͲͰΠϯσοΫεΛ࡞੒͢ ΔΑ͏ʹઃܭ w 5XFFUσʔλͰ͋Ε͹ɺϢʔβʔ୯Ґ·ͨ͸೔୯Ґɺ ͳͲͰΠϯσοΫεΛ࡞੒͢ΔΑ͏ʹઃܭ w ো֐ͷӨڹൣғΛߟྀ͢Δ৔߹ w ਺ेສɺ਺ඦສ݅ͷσʔλͰ͋ͬͯ΋ɺো֐ͷӨڹൣғΛ ߟྀ͍ͨ͠৔߹͸ɺ*OEFYϨϕϧͰ෼ׂ͢Δઃܭ͸༗ޮɻ w ྫ͑͹ w ਺ඦສ݅ͷෆಈ࢈௞ି෺݅৘ใΛ౎ಓ෎ݝผʹΠϯσο ΫεΛ࡞੒͢ΔΑ͏ʹઃܭ w ਺ेສ݅ͷϨετϥϯళฮ৘ใΛσʔλιʔεݩͱຖ ʹΠϯσοΫεΛ࡞੒͢ΔΑ͏ʹઃܭ w ਺ेສ݅ͷ঎඼৘ใΛΧςΰϦผʹΠϯσοΫεΛ࡞ ੒͢ΔΑ͏ʹઃܭ w શ͘ҟͳΔ༻్ͷσʔλͷ৔߹ w খن໛Ͱ͋Ε͹ಉ͡*OEFY಺ʹ5ZQFͰ෼ׂͨ͠ઃܭͰ΋ྑ ͍͕ɺԣஅͯ͠ݕࡧ͍ͨ͠৔߹ʹ͸"MJBT΋࢖༻Ͱ͖ΔͷͰɺ *OEFYͰ෼ׂͨ͠ํ͕ॊೈɻ

"1*ͷجຊૢ࡞

υΩϡϝϯτͷొ࿥ w ৽نʹΠϯσοΫεͷ࡞੒͢Δ w ҎԼͷྫͰ͸ɺlCMPHzͱݴ͏໊લͷΠϯσοΫεΛ࡞੒͠ɺͦͷΠϯσοΫε಺ʹlQPTUTzͱݴ͏໊લͷλΠϓΛఆٛɺ lUJUMFzɺzEFTDSJQUJPOzɺzDSFBUPSzɺzMJOLzɺzQVC%BUFzͱݴ͏̑ͭͷϑΟʔϧυΛ࣋ͭυΩϡϝϯτ*%͕zzͷσʔλ ΛΠϯσοΫε͍ͯ͠·͢ɻ $ curl -XPUT
‘localhost:9200/blog/posts/1' \ -d '{ "title": "Elasticsearch ಛ௃·ͱΊ", "description": "Elasticsearch Features — ओʹγεςϜΛத৺ͱͨ͠ಛ௃·ͱΊ", "creator": "Kunihiko Kido", "link": "https://medium.com/hello-elasticsearch/elasticsearch-500996e47c70", "pubDate": "2014-03-12T11:09" }' ΠϯσοΫε໊ λΠϓ໊ υΩϡϝϯτ*% υΩϡϝϯτͷ಺༰ʢ+40/ʣ ˞ࣄલʹϚοϐϯάఆٛʢεΩʔϚఆٛʣΛͯ͠ϑΟʔϧυͷܕ΍ݴޠॲཧͳͲΛઃఆ͢Δ͜ͱ΋ՄೳͰ͢ɻ·ͨɺ̍υ Ωϡϝϯτ͝ͱʹొ࿥͢Δํ๏ͷଞɺෳ਺ͷυΩϡϝϯτΛҰׅͰొ࿥"1*ͳͲ͕ఏڙ͞Ε͍ͯ·͢ɻ

υΩϡϝϯτͷݕࡧ w ৚݅Λࢦఆͯ͠ݕࡧ͢Δ w ҎԼͷྫͰ͸ɺzCMPHzΠϯσοΫε಺ͷzQPTUTzλΠϓΛର৅ʹɺzDSFBUPSzϑΟʔϧυʹzLJEPzͱݴ͏୯ޠΛؚΉυ ΩϡϝϯτΛݕࡧ͍ͯ͠·͢ɻ $ curl -XPOST ‘localhost:9200/blog/posts/_search'
\ -d '{ "query": { "term": {  "creator": "kido"  } } }' ΠϯσοΫε໊ʢলུՄʣ λΠϓ໊ʢলུՄʣ ݕࡧ৚݅ʢ+40/ʣ ݕࡧ༻ͷ3FTUΤϯυϙΠϯτ ˞ݟͯͷ௨Γɺݕࡧ৚݅΋+40/Ͱߏ଄తʹهड़Ͱ͖ΔͷͰɺϓϩάϥϚςΟοΫʹ૊ΈཱͯΔ͜ͱ͕Ͱ͖ɺΫΤϦʔε τϦϯάͰهड़͢Δͷʹൺ΂෼͔Γ΍͘͢ɺϝϯςφϯε΋͠΍͍͢Ͱ͢ɻ

υΩϡϝϯτͷ࡟আ w υΩϡϝϯτ*%Λࢦఆͯ͠࡟আ͢Δ w ҎԼͷྫͰ͸ɺlCMPHzΠϯσοΫε಺ͷzQPTUTzλΠϓʹΠϯσοΫε͞Ε͍ͯΔυΩϡϝϯτ*%͕zzͷυΩϡϝϯ τΛ࡟আ͍ͯ͠·͢ɻ $ curl -XDELETE ‘localhost:9200/blog/posts/1'
ΠϯσοΫε໊ λΠϓ໊ υΩϡϝϯτ*% %&-&5&ϝιου ˞υΩϡϝϯτͷ࡟আʹ͍ͭͯ͸ɺ͜ͷ΄͔ʹෳ਺ͷυΩϡϝϯτΛҰׅͰ࡟আ͢Δํ๏΍ɺݕࡧ৚݅Λ࢖༻ͯ͠࡟আ͢ Δํ๏ɺυΩϡϝϯτʹ55-Λઃఆͯ͠ɺࣗಈతʹ࡟আ͢Δํ๏ͳͲ͕ఏڙ͞Ε͍ͯ·͢ɻ

&MBTUJDTFBSDI"1*T w "MJBT.BOBHFNFOU"1*T w $BU"1*Tʢ˞͜Ε͚ͩͪΐͬͱಛघɻਓ͕ݟΔ༻ʣ w $MVTUFS"1*T w %PDVNFOU"1*T w
*OEFY.BOBHFNFOU"1*T w *OEFY4FUUJOHT"1*T w .BQQJOH.BOBHFNFOU"1*T w .POJUPSJOH"1*T w 3JWFS"1*T w 4FBSDI"1*T w 4UBUVT.BOBHFNFOU"1*T &MBTUJDTFBSDIΛૢ࡞͢ΔͨΊͷ༷ʑͳ"1*͕ఏڙ͞Ε͍ͯ·͢ɻ ΄ͱΜͲͷૢ࡞͕͜ΕΒͷ"1*Λ࢖༻࣮ͯ͠ߦՄೳͰ͢ɻ

.BQQJOH

.BQQJOHͱ͸ʁ w .BQQJOH㲈ςʔϒϧఆٛʢ3FMBUJPOBM%#ʣ w *OEFY಺ͷ5ZQFຖʹυΩϡϝϯτͷϑΟʔϧυଐੑɺݴޠॲཧղੳํ๏ͳͲΛఆٛ͢ΔͨΊͷ΋ͷ w ఆٛ͢Δ಺༰ w ओʹɺϑΟʔϧυຖͷɺܕͷઃఆʢTUSJOH JOUFHFSMPOH
qPBUEPVCMF CPPMFBO OVMM ͳͲͳͲʣɺ"OBMZ[FSͷઃఆʢΠϯσοΫεଆʗαʔ νଆʣͳͲΛఆٛ͢Δɻ w ಈతͳఆٛ w ϑΟʔϧυ͕ఆٛ͞Ε͍ͯͳ͚Ε͹ɺυΩϡϝϯτͷ಺༰ʹΑͬͯಈతʹఆٛ͞ΕΔɻ w ಈతʹఆٛ͞ΕΔ಺༰΋ΧελϚΠζՄೳɻ w ੩తͳఆٛ w υΩϡϝϯτΛΠϯσοΫε͢ΔલͰ͋Ε͹ɺࣄલʹఆٛՄೳɻ w ݕࡧͷਫ਼౓Λ޲্͢Δʹ͸"OBMZ[FSͷఆٛͱ࢖͍෼͚͕ॏཁɻ

"OBMZ[FSʹ͍ͭͯ w "OBMZ[FSͱ͸ɺΠϯσοΫε࣌·ͨ͸ݕࡧ࣌ʹ࢖༻͢ΔɺݴޠղੳॲཧηοτͰ͢ɻσϑΥϧ τͷ"OBMZ[FSΛ࢖༻͢Δํ๏ͱɺΧελϚΠζͨ͠"OBMZ[FSΛఆٛͯ͠࢖༻͢Δํ๏͕͋Γ·͢ɻ & & & & & &
& $IBSpMUFST 5PLFOpMUFST 5PLFOJ[FS ' ( " " "OBMZ[FS l+BQBOFTFz )5.-λάআ֎ શ֯൒֯Λ౷Ұ FUD ೔ຊޠΛ୯ޠʹ෼ׂ ಉٛޠΛల։ ෆཁͳ඼ࢺΛআڈ ΠϯσοΫε࣌ɿϑΟʔϧυͷ಺༰ ݕࡧ࣌ɿΩʔϫʔυ FUD ˞ ̍ͭͷϑΟʔϧυͰҟͳΔ"OBMZ[FSΛ࢖༻͍ͨ͠৔߹͸ɺϚϧνϑΟʔϧυ͕ศརɻ ղੳॲཧޙͷσʔλΛ࢖༻ͯ͠ɺ ΠϯσοΫεԽ·ͨ͸ݕࡧɻ ˞ूܭ΍ɺιʔτ΋͜ͷ୯Ґ

"OBMZ[FSઃܭ࣌ͷߟྀ఺ w ܗଶૉղੳͰݕࡧ͍ͨ͠৔߹΍ɺ/άϥϜํࣜͰݕࡧ͍ͨ͠৔߹ͳͲݕࡧཁ݅ͷ΄͔ɺ"OBMZ[FSͷઃܭɾઃ ఆʹ͸ҎԼͷ಺༰΋ߟྀ͢Δඞཁ͕༗Γ·͢ɻ w จࣈྻϑΟʔϧυͷूܭ୯Ґ w 'BDFU΍"HHSFHBUJPOͷूܭʹ͸ɺ"OBMZ[FSͰղੳॲཧޙͷτʔΫφΠζ͞Εͨ୯ޠ୯ҐͰूܭ͞Ε·͢ɻϑΟʔϧυͷ஋ͦͷ΋ͷͰू ܭ͍ͨ͠৔߹Ͱ͸ɺOPU@BOBMZ[FEઃఆ·ͨ͸ɺτʔΫφΠζ͞Εͳ͍"OBMZ[FSΛઃఆ͢Δඞཁ͕͋Γ·͢ɻ w
จࣈྻϑΟʔϧυͷιʔτ w จࣈྻϑΟʔϧυͷूܭಉ༷ɺιʔτʹ͸"OBMZ[FSͰղੳॲཧޙͷ࠷ॳͷ୯ޠ͕࢖༻͞Ε·͢ɻϑΟʔϧυͷ஋ͦͷ΋ͷͰιʔτʢϑϧιʔ τʣ͍ͨ͠৔߹͸ɺOPU@BOBMZ[FEઃఆ·ͨ͸ɺτʔΫφΠζ͞Εͳ͍"OBMZ[FSΛઃఆ͢Δඞཁ͕͋Γ·͢ɻ w ಉٛޠͷద༻ w ಉࣙ͡ॻͷ಺༰Ͱ͋Ε͹ɺΠϯσοΫε࣌·ͨ͸ɺݕࡧ࣌ͷ͍ͣΕ͔͚ͩͰద༻͢΂͖Ͱ͢ɻ w ҟͳΔจࣈྻʢ୯ҐʣͰͷूܭɾιʔτ w ྫ͑͹ɺ౎ಓ෎ݝϑΟʔϧυͷσʔλΛ࢖༻ͯ͠ɺzؔ౦zͳͲͷผͷ୯Ґͷूܭ΍ɺ౎ಓ෎ݝίʔυͰͷιʔτͳͲΛ࣮ݱ͍ͨ͠৔߹ɺ "OBMZ[FSΛ࢖༻ͯ͠ɺม׵͢Δ͜ͱ΋ՄೳͰ͢ɻ

"HHSFHBUJPO ʢϦΞϧλΠϜूܭʣ

"HHSFHBUJPOͱ͸ʁ w NJOBHHSFHBUJPO w NBYBHHSFHBUJPO w TVNBHHSFHBUJPO w BWHBHHSFHBUJPO w
TUBUTBHHSFHBUJPO w FYUFOEFETUBUTBHHSFHBUJPO w WBMVFDPVOUBHHSFHBUJPO w QFSDFOUJMFTBHHSFHBUJPO w QFSDFOUJMFSBOLT BHHSFHBUJPO w DBSEJOBMJUZBHHSFHBUJPO w HFPCPVOETBHHSFHBUJPO w UPQIJUTBHHSFHBUJPO w HMPCBMBHHSFHBUJPO w pMUFSBHHSFHBUJPO w NJTTJOHBHHSFHBUJPO w OFTUFEBHHSFHBUJPO w SFWFSTFOFTUFEBHHSFHBUJPO w UFSNTBHHSFHBUJPO w TJHOJpDBOUUFSNT BHHSFHBUJPO w SBOHFBHHSFHBUJPO w EBUFSBOHFBHHSFHBUJPO w JQWSBOHFBHHSFHBUJPO w IJTUPHSBNBHHSFHBUJPO w EBUFIJTUPHSBNBHHSFHBUJPO w HFPEJTUBODFBHHSFHBUJPO w HFPIBTIHSJEBHHSFHBUJPO όʔδϣϯ͔Βར༻ՄೳͳػೳͰ͢ɻ࣍ੈ୅ϑΝηοτͱ΋ݺ͹ΕΔ֊૚తͳूܭ΍ಈతͳू ܭɺάϧʔϓԽͳͲڧྗͳूܭػೳ͕ఏڙ͞Ε͍ͯ·͢ɻ ྫ͑͹ɺ৭Ͱ෼ྨͯͦ͠ͷ৭ຖͷฏۉՁ֨ΛٻΊͨΓɺ֤δϟϯϧͷτοϓ̍̌ͷݕࡧ݁ՌΛٻΊͨ Γɺͦͷଞҟৗݕ஌΍ϨίϝϯυͳͲͰ΋࢖༻Ͱ͖ΔػೳΛఏڙ͍ͯ͠·͢ɻ

1FSDPMBUPS

1FSDPMBUPSͱ͸ʁ w ҟৗͳϩάͷݕ஌ w ҟৗͳϩάͷৼΓ෼͚ w Ϣʔβʔෆద੾౤ߘͷݕ஌ w Ϣʔβʔෆద੾౤ߘͷৼΓ෼͚ w
֘౰঎඼ͷೖՙ͓஌Βͤ w ֘౰঎඼ͷࡏݿ੾Ε͓஌Βͤ w ֘౰঎඼ͷ஋Լ͓͛஌Βͤ w ඇఆܕίϯςϯπͷΧςΰϥΠζ w ˞ΞΠσΟΞ࣍ୈͰ͍Ζ͍Ζʜɻ ࣄલʹݕࡧ৚݅ΛΠϯσοΫεԽ͓͖ͯ͠ɺυΩϡϝϯτͷ಺༰ʹϚον͢Δݕࡧ৚݅Λݕࡧ͢Δͨ ΊͷػೳͰ͢ɻʢ˞௨ৗͷݕࡧͱ͸ਖ਼൓ରͷ͜ͱΛ͠·͢ɻʣ ! ' " ' ! ' " ! ' ! ௨ৗͷݕࡧ 1FSDPMBUPS 74

ϓϥάΠϯ

ϓϥάΠϯͷछྨ w "OBMZTJT1MVHJO w ओʹಛघͳݴޠղੳॲཧͳͲΛఏڙ͢ΔϓϥάΠϯ w %JTDPWFSZ1MVHJO w ओʹΫϥ΢υ؀ڥ্ͷϊʔυͷൃݟΛఏڙ͢ΔϓϥάΠϯ w
3JWFS1MVHJO w ओʹଞͷσʔλεΞ͔ΒͷσʔλͷऔΓࠐΈͳͲΛఏڙ͢ΔϓϥάΠϯ w 5SBOTQPSU1MVHJO w ଞͷϓϩτίϧͰ3&45ΠϯλʔϑΣʔεͷૢ࡞Λఏڙ͢ΔϓϥάΠϯ w 4DSJQUJOH1MVHJO w ೚ҙͷϓϩάϥϛϯάݴޠʹΑΔεΫϦϓτͷ࣮ߦΛՄೳʹ͢Δϓϥά Πϯ w 4JUF1MVHJO w ؅ཧπʔϧͳͲ6*Λఏڙ͢ΔϓϥάΠϯ w 4OBQTIPU3FTUPSFSFQPTJUPSZQMVHJO w εφοϓγϣοτ΍ϦετΞΛఏڙ͢ΔϓϥάΠϯ w .JTD1MVHJO w ͦͷଞ͍Ζ͍Ζ &MBTUJDTFBSDI͸ϓϥάΠϯΛ࢖༻ͯ͠ػೳ֦ுՄೳͳ࢓૊Έʹͳ͍ͬͯ·͢ɻϓϥάΠϯͷछྨ͸ େ͖̔ͭ͘ʹ෼ྨ͞ΕɺඞཁͳϓϥάΠϯΛΠϯετʔϧͯ͠࢖༻͢Δ͜ͱ͕ՄೳͰ͢ɻ IUUQXXXFMBTUJDTFBSDIPSHHVJEFFOFMBTUJDTFBSDISFGFSFODFDVSSFOUNPEVMFTQMVHJOTIUNMLOPXOQMVHJOT

ϩάऩूϛυϧ΢ΣΞ

ϩάऩूϛυϧ΢ΣΞ qVFOUE MPHTUBTI PS syslog Apache/Nginx logs Mobile/Web app logs
etc. &MBTUJDTFBSDI " " ೔ຊͰਓؾ &MBTUJDTFBSDIࣾ੡ ˞ͦͷଞ"QBDIF'MVNFͱ͍͏ͷ΋͋Γ·͢

,JCBOB

,JCBOBͱ͸ʁ w &MBTUJDTFBSDI͔ࣾΒఏڙ͞Ε͍ͯΔɺ ΠϯσοΫεσʔλΛՄࢹԽ͢ΔͨΊͷ πʔϧͰ͢ɻ w ϓϩάϥϛϯάϨε w ϦΞϧλΠϜ෼ੳ w
ߴ͍֦ுੑ w Φʔϓϯιʔε w ,JCBOBͰ͸ɺ"HHSFHBUJPOʹରԠͯ͠ ΑΓෳࡶͳ෼ੳ͕Մೳʹͳ͍ͬͯ·͢ɻ ˔˔˔ &MBTUJDTFBSDI -PHTUBTI ,JCBOB&-,4UBDL

࠷ޙʹͪΐͬͱએ఻

4JCBʢγʔόʣ φϨοδϫʔΫε͕ఏڙ͢Δ&MBTUJDTFBSDIϕʔεͷݕࡧ"41αʔϏεͰ͢ɻ αʔόʔͷ४උ΍ӡ༻Λؾʹͤͣʹ͙͢ʹ&MBTUJDTFBSDIΛར༻։࢝Ͱ͖·͢ɻ ·ͨɺ8FCΫϩʔϥʔ΍ը૾ݕࡧ༻ͷϓϥάΠϯ΋ඪ४૷උɻ IUUQTJCBUPLZP )FMMP&MBTUJDTFBSDI φϨοδϫʔΫε͕ఏڙ͢Δ&MBTUJDTFBSDIʹؔ͢Δٕज़৘ใϒϩάͰ͢ɻ ͝ҙݟ͝ײ૝͸!·Ͱ͓ؾܰʹͲ͏ͧʂ IUUQTNFEJVNDPNIFMMPFMBTUJDTFBSDI

͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠

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Kunihiko Kido

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͸͡Ίͯͷ &MBTUJDTFBSDI! ,VOJIJLP,JEP LJEP!LOPXMFEHFXPSLTDPKQʗ! ,OPXMFEHF8PSLT *OD

"HFOEB w &MBTUJDTFBSDIͱ͸ʁ w ݕࡧํࣜʹΑΔ෼ྨ w ݕࡧΤϯδϯʹΑΔ෼ྨ w &MBTUJDTFBSDIͷಛ௃ w

ݕࡧํࣜʹΑΔ෼ྨ w ॱ࣍ݕࡧ w ̍࡭ͷຊʹྫ͑ΔͳΒɺຊͷ̍ϖʔδ໨͔Βॱ࣍୯ޠΛ୳͢Πϝʔδ w "ςΩετΤσΟλͷݕࡧɺHSFQίϚϯυɺ3%#ͷ-JLFݕࡧͳͲ w ࡧҾݕࡧ#&MBTUJDTFBSDI w

ݕࡧΤϯδϯʹΑΔ෼ྨ w ݕࡧϥΠϒϥϦ w " -VDFOFͳͲ w ݕࡧαʔόʔ#&MBTUJDTFBSDI w "

&MBTUJDTFBSDIͷಛ௃ w ϦΞϧλΠϜσʔλ w ΄΅ϦΞϧλΠϜʹΠϯσοΫεɻ w ϦΞϧλΠϜ෼ੳ w σʔλΛूܭ͢ΔͨΊͷػೳ͕ॆ࣮ɻ w

&MBTUJDTFBSDIͷಛ௃ w িಥ؅ཧ w ָ؍తͳόʔδϣϯ؅ཧʹΑͬͯɺෳ਺ͷϓϩηε͔ ΒͷมߋॲཧʹΑΔিಥΛճආ w εΩʔϚϑϦʔ w +40/υΩϡϝϯτ͔Βࣗಈతʹͦͷσʔλߏ଄Λݕ

࢖༻։࢝͢Δ̏εςοϓ w &MBTUJDTFBSDIΛ࢖༻։࢝͢Δʹ͸ɺ࣍ͷεςοϓɻ w ˞ͦͷଞɺBQU΍ZVNΛ࢖༻ͨ͠Πϯετʔϧํ๏΋༻ҙ͞Ε͍ͯ·͢ɻ μ΢ϯϩʔυͯ͠ղౚ͢Δɻ ࠷৽൛ɿIUUQXXXFMBTUJDTFBSDIPSH PWFSWJFXFMLEPXOMPBET $

ॏཁͳߏ੒ཁૉ

࿦ཧతͳཁૉ *OEFY lCPPLTUPSFz 5ZQF lCPPLTz 5ZQF lNBHB[JOFTz 5ZQF lVTFSTz %PDVNFOUT

෺ཧతͳཁૉ /PEF 1SJNBSZ 4IBSE lCPPLTUPSFz 3FQMJDB 4IBSE lCPPLTUPSFz /PEF 3FQMJDB

OEFYઃܭ࣌ͷߟྀ఺ w େن໛ͳσʔλΛߟྀ͢Δ৔߹ w ಉ͡σʔλιʔεͰ΋େྔͷσʔλ਺͕૝ఆ͞ΕΔ৔߹ɺ 1SJNBSZ4IBSE਺ͷ֦ு͕Ͱ͖ͳ͍ͨΊɺ͋Β͔͡ΊOEFY ϨϕϧͰ෼ׂ͢Δઃܭ͕ඞཁɻ w ྫ͑͹ w

"1*ͷجຊૢ࡞

υΩϡϝϯτͷݕࡧ w ৚݅Λࢦఆͯ͠ݕࡧ͢Δ w ҎԼͷྫͰ͸ɺzCMPHzΠϯσοΫε಺ͷzQPTUTzλΠϓΛର৅ʹɺzDSFBUPSzϑΟʔϧυʹzLJEPzͱݴ͏୯ޠΛؚΉυ ΩϡϝϯτΛݕࡧ͍ͯ͠·͢ɻ $ curl -XPOST ‘localhost:9200/blog/posts/_search'

υΩϡϝϯτͷ࡟আ w υΩϡϝϯτ%Λࢦఆͯ͠࡟আ͢Δ w ҎԼͷྫͰ͸ɺlCMPHzΠϯσοΫε಺ͷzQPTUTzλΠϓʹΠϯσοΫε͞Ε͍ͯΔυΩϡϝϯτ%͕zzͷυΩϡϝϯ τΛ࡟আ͍ͯ͠·͢ɻ $ curl -XDELETE ‘localhost:9200/blog/posts/1'

&MBTUJDTFBSDI"1T w "MJBT.BOBHFNFOU"1T w $BU"1Tʢ˞͜Ε͚ͩͪΐͬͱಛघɻਓ͕ݟΔ༻ʣ w $MVTUFS"1T w %PDVNFOU"1*T w

.BQQJOH

.BQQJOHͱ͸ʁ w .BQQJOH㲈ςʔϒϧఆٛʢ3FMBUJPOBM%#ʣ w *OEFY಺ͷ5ZQFຖʹυΩϡϝϯτͷϑΟʔϧυଐੑɺݴޠॲཧղੳํ๏ͳͲΛఆٛ͢ΔͨΊͷ΋ͷ w ఆٛ͢Δ಺༰ w ओʹɺϑΟʔϧυຖͷɺܕͷઃఆʢTUSJOH JOUFHFSMPOH

"OBMZ[FSʹ͍ͭͯ w "OBMZ[FSͱ͸ɺΠϯσοΫε࣌·ͨ͸ݕࡧ࣌ʹ࢖༻͢ΔɺݴޠղੳॲཧηοτͰ͢ɻσϑΥϧ τͷ"OBMZ[FSΛ࢖༻͢Δํ๏ͱɺΧελϚΠζͨ͠"OBMZ[FSΛఆٛͯ͠࢖༻͢Δํ๏͕͋Γ·͢ɻ & & & & & &

"HHSFHBUJPO ʢϦΞϧλΠϜूܭʣ

"HHSFHBUJPOͱ͸ʁ w NJOBHHSFHBUJPO w NBYBHHSFHBUJPO w TVNBHHSFHBUJPO w BWHBHHSFHBUJPO w

1FSDPMBUPS

1FSDPMBUPSͱ͸ʁ w ҟৗͳϩάͷݕ஌ w ҟৗͳϩάͷৼΓ෼͚ w Ϣʔβʔෆద੾౤ߘͷݕ஌ w Ϣʔβʔෆద੾౤ߘͷৼΓ෼͚ w

ϓϥάΠϯ

ϓϥάΠϯͷछྨ w "OBMZTJT1MVHJO w ओʹಛघͳݴޠղੳॲཧͳͲΛఏڙ͢ΔϓϥάΠϯ w %JTDPWFSZ1MVHJO w ओʹΫϥ΢υ؀ڥ্ͷϊʔυͷൃݟΛఏڙ͢ΔϓϥάΠϯ w

ϩάऩूϛυϧ΢ΣΞ

ϩάऩूϛυϧ΢ΣΞ qVFOUE MPHTUBTI PS syslog Apache/Nginx logs Mobile/Web app logs

,JCBOB

,JCBOBͱ͸ʁ w &MBTUJDTFBSDI͔ࣾΒఏڙ͞Ε͍ͯΔɺ ΠϯσοΫεσʔλΛՄࢹԽ͢ΔͨΊͷ πʔϧͰ͢ɻ w ϓϩάϥϛϯάϨε w ϦΞϧλΠϜ෼ੳ w

࠷ޙʹͪΐͬͱએ఻

͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠