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ステートフルアプリ on Kubernetesの現在と今後の展望
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Yukinori Sakashita
November 05, 2021
Technology
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ステートフルアプリ on Kubernetesの現在と今後の展望
CloudNative Days Tokyo2021 (11/5)の発表資料です。
Yukinori Sakashita
November 05, 2021
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Transcript
εςʔτϑϧΞϓϦPO,VCFSOFUFTͷ ݱࡏͱࠓޙͷల ʙεςʔτϑϧͷۤखҙࣝΛਧͬඈͦ͏ʙ :VLJOPSJ4BLBTIJUB
ࣗݾհ ‣ ٕज़ݚڀΤϦΞ ӡ༻ཧٕज़ Ϋϥυ αʔόετϨʔδ
ࣗಈࣗίϯϐϡʔςΟϯά "*.- // ).. #BZFTJBO/FUXPSL ‣ ৬ྺ ཱ࡞ॴ 㾎தԝݚڀॴԣݚڀॴ ओݚڀһ 㾎ւ֎ݚڀॴ!γϦίϯόϨʔ ϥϘ αʔόϕϯμʔ ςΫχΧϧ4& 2 ࡔԼಙ ത࢜ :VLJOPSJ4BLBTIJUB 1I% ‣ ϠϑʔגࣜձࣾθοτϥϘגࣜձࣾ ‣ 4/*"ຊࢧ෦ٕज़ҕһձ෭ҕһ ݉ϢʔεέʔεՊձ ‣ 4/*"5FDIOJDBM$PVODJM"EWJTPS
"HFOEB ,VCFSOFUFTʹ͓͚ΔετϨʔδͱεςʔτϑϧΞϓϦ εςʔτϑϧΞϓϦPO,VCFSOFUFTͷτϨΠϧϚοϓ ,VCFSOFUFTͷετϨʔδؔ࿈ͷಈ 3
,VCFSOFUFTʹ͓͚Δ ετϨʔδͱεςʔτϑϧΞϓϦ
εςʔτϑϧΞϓϦͷ෩ධ ‣ ࠒ 7.ͷීٴ࢝Ί ʮ7.ͰεςʔτϑϧΞϓϦ %# Λಈ͔͢ͳΜͯ༗Γಘͳ͍ʯ ‣
7.ͰεςʔτϑϧΞϓϦ͕͑ͳ͍ͱ͍͏ਓɺ΄΅ډͳ͍ ϕΞϝλϧPS7.Λཁ݅ӡ༻ํʹΑΓબ ‣ ҰํɺʮίϯςφͰεςʔτϑϧΞϓϦΛಈ͔͢ͳΜͯ༗Γಘͳ͍ʯ ʮίϯςφεςʔτϑϧΞϓϦ͕ۤखʯͱࢥ͍ࠐΜͰ͍Δਓ͕ɺҙ֎ͱଟ͍ ͍͠ɺෳࡶ ੑೳ͕ѱ͍ʁ 5
εςʔτϑϧΞϓϦͷීٴঢ়گ 6 ग़య$/$'4637&: IUUQTXXXDODGJPXQDPOUFOUVQMPBET$/$'@4VSWFZ@3FQPSU@QEG ‣ ίϯςφʹ͓͚ΔεςʔτϑϧΞϓϦطʹ͕ϓϩμΫγϣϯར༻ ‣ ίϯςφ͕εςʔτϑϧΞϓϦ͕ۤखͱ͍͏࣌ऴΘͬͨ 88
ίϯςφରԠͷεςʔτϑϧΞϓϦ ‣ .Z42- 1PTUHSF42- $BTTBOESB 3FEJT ͳͲଟ͘ͷεςʔτϑϧΞϓϦ ίϯςφʹରԠ ‣
,VCFSOFUFTͷϑϨʔϜϫʔΫΛͬͨ 0QFSBUPS ͷొαΠτ 0QFSBUPS)VCJP ʹεςʔτϑϧΞϓϦ͕ଟ͘ొ 7 $BUFHPSJFT /VNCFSPG*UFNT "*.BDIJOF-FBSOJOH "QQMJDBUJPO3VOUJNF #JH%BUB $MPVE1SPWJEFS %BUBCBTF %FWFMPQFS5PPMT %SJWFSTBOEQMVHJOT *OUFHSBUJPO%FMJWFSZ -PHHJOH5SBDJOH .PEFSOJ[BUJPO.JHSBUJPO .POJUPSJOH /FUXPSLJOH 0QFO4IJGU0QUJPOBM 4FDVSJUZ 4UPSBHF 4USFBNJOH.FTTBHJOH 0QFSBUSP)VCJPͷొ ࣌ ΦϖʔϨʔλʹ͍ͭͯɺޙ΄Ͳհ
,VCFSOFUFTͷετϨʔδϞσϧ ‣ ,VCFSOFUFTͰετϨʔδΛநԽ ‣ ϕϯμʔχϡʔτϥϧͳϞσϧ 1FSTJTUFOU7PMVNF$MBJN 1FSTJTUFOU7PMVNF
4UPSBHF$MBTT ‣ ετϨʔδͷਂ͍φϨοδͳ͘ѻ͑Δ Ϟσϧ ‣ ετϨʔδͷૢ࡞ͳ͠Ͱ7PMVNFΛ ίϯςφʹࣗಈͰϚϯτ 8 ར༻ऀ ཧऀ
ίϯςφ·ͰͷϘϦϡʔϜͷύε σΟϨΫτϦ σόΠε EFWTEC EFWTEB ֎෦ετϨʔδ ଂσΟεΫ ίϯςφ NOUEBUB
WBSMJCLVCFMFUQPET1PEͷNFUBEBUBVJEWPMVNFTLVCFSOFUFTJPdDTJ17ͷNFUBEBUBOBNFNPVOU
ϕΞϝλϧɾίϯςφɾ7.ͷൺֱ ϕΞϝλϧ 7. ԾσΟεΫ 7. ύεεϧʔ ίϯςφ ,VCFSOFUFT %FWJDF'JMF 'JMF4ZTUFN
7. )ZQFSWJTPS 7. )ZQFSWJTPS %FWJDF'JMF $POUBJOFS /PEF %FWJDF'JMF 'JMF4ZTUFN 7PM /PEF %FWJDF'JMF 'JMF4ZTUFN "QQ 'JMF4ZTUFN %FWJDF'JMF "QQ 7PM 7PM 7PM 7JSUVBM %*TL "QQ 'JMF4ZTUFN "QQ %FWJDF'JMF ‣ ίϯςφPO7.ͷ߹ɺίϯςφͱ7.ͷೋ֊ݐͯ
ίϯςφͷੑೳʹؔ͢Δࢀߟจ ‣ *#."VTUJO3FTFBSDI-BCPSBUPSZͷ 8FT'FMUFS "MFYBOESF'FSSFJSB 3BN3BKBNPOZ +VBO3VCJP͕ൃද ‣
l"O6QEBUFE1FSGPSNBODF$PNQBSJTPOPG7JSUVBM .BDIJOFTBOE-JOVY$POUBJOFSTz ‣ /BUJWF %PDLFS ,7.ͰͷϕϯνϚʔΫ݁ՌΛղઆ 11 ग़యɹIUUQTJFFFYQMPSFJFFFPSHEPDVNFOU
εςʔτϑϧΞϓϦͷӡ༻ ‣ εςʔτϑϧΞϓϦͰ7.ɾίϯςφ ,VCFSOFUFT ʹؔΘΒͣ 7PMVNFΛׂΓͯΔҎ֎ʹߟ͑ΔϙΠϯτ͋Γ γϟοτμϯ͢ΔલʹΩϟογϡ্ͷσʔλΛετϨʔδ
ॻ͖ग़ͨ͢Ίʹ4ZOD 'MVTI ͕ඞཁ εςʔτϑϧΞϓϦʹΑͬͯεέʔϧΞτόʔδϣϯΞοϓ࣌ʹɺ σʔλಉظϦετΞͷૢ࡞͕ඞཁ 12 ☝σʔλΛ࣋ͨͳ͍εςʔτϨεΞϓϦͰෆཁ
.Z42-ͷεέʔϧΞτͷྲྀΕ 13 4PVSDF 3FQMJDB 4PVSDF ৽͍͠.Z42-ͷ1PEΛ࡞ /FX 4PVSDF
όοΫΞοϓΛऔಘ /FX #BDLVQ -PH1PTJUJPO 4PVSDF όοΫΞοϓΛΠϯϙʔτ /FX #BDLVQ -PH1PTJUJPO 4PVSDF 3FQMJDBͱͯ͠ىಈ 3FQMJDB ࢀরܥ42- ߋ৽ܥ42- .Z42-$MJFOUT .Z42-Ϛϧνߏ εέʔϧΞτ࣌ͷ3FQMJDB૿ઃεςοϓ 4UPSBHF
,VCFSOFUFTͰͷ࣮ݱํ๏ ‣ େ͖ͭ͘ͷύλʔϯ ‣ εΫϦϓτԽࣗ͠ಈԽ JOJU$POUBJOFSαΠυΧʔίϯςφͳͲͰεΫϦϓτΛ࣮ߦ˞ εΫϦϓτΛแ͠ɺࣄલ࣮ߦ͢ΔίϯςφΠϝʔδΛ࡞ ‣
3FDPODJMJBUJPO-PPQΛ׆༻ͨ͠0QFSBUPS ΧελϜϦιʔε ΧελϜίϯτϩʔϥ ʹΑΔࣗཧ 14 3FDPODJMJBUJPO -PPQ ࢹ ࠩநग़ ߋ৽ ˞ࢀߟใɹ IUUQTLVCFSOFUFTJPKBEPDTUBTLTSVOBQQMJDBUJPOSVOSFQMJDBUFETUBUFGVMBQQMJDBUJPO
ࣗཧͱ 15 ‣ ॳ಄ʹ*#.͔ࣾΒࣗίϯϐϡʔςΟϯάͷ֓೦͕ఏএ ‣ ͦͷޙɺࣗίϯϐϡʔςΟϯάͷཧํ๏ͱͯࣗ͠ཧ͕ొ ‣ ࣗίϯϐϡʔςΟϯάɺਓؒͷࣗਆܦͷΑ͏ʹίϯϐϡʔλ͕ࣗతʹ ࣗݾཧΛߦ͏ߟ͑ํ
ࣗݾߏ 4FMG$PO fi HVSJOH ɺࣗݾम෮ 4FMG)FBMJOH ɺ ࣗݾ࠷దԽ 4FMG0QUJNJ[JOH ɺࣗݾӴ 4FMG1SPUFDUJOH ‣ ࣗཧ,OPXMFEHFΛ֩ʹ .POJUPSˠ"OBMZ[Fˠ1MBOˠ&YFDVUFͷϧʔϓʹΑΓཧ ग़య +F ff SFZ0,FQIBSUBOE%FWJE.$IFTT5IF7JTJPOPG"VUPOPNJD$PNQVUJOH *&&&$PNQVUFS4PDJFUZ QQr (-BOGSBODIJ 1%1FSVUB "1FSSPOFBOE%$BMWBOFTF5PXBSEB/FX-BOETDBQFPG4ZTUFNT.BOBHFNFOUJOBO"VUPOPNJD$PNQVUJOH&OWJSPONFOU *#.4:45&.4+063/"- 7PM /P QQr
ϓϩηεͷՔಇ .5#' ฏۉނোִؒ .553 ฏۉम෮࣌ؒ ՔಇՔಇ࣌ؒͷ૯શମ࣌ؒ.5#' .5#' .553
Քಇ࣌ؒ ఀࢭ࣌ؒ Քಇ࣌ؒ ఀࢭ Քಇ࣌ؒ ఀࢭ Քಇ࣌ؒ ఀࢭ ʜ Քಇ࣌ؒ ఀࢭ Քಇ࣌ؒ ఀࢭ ύλʔϯؒͷՔಇɹ .5#'࣌ؒ .553࣌ؒ ؒ࣌ؒ ࣌ؒ ύλʔϯؒͷՔಇ .5#'࣌ؒ .553࣌ؒ ‣ ίϯςφ,VCFSOFUFT.553Λ͘͢Δͷʹ༗ޮͳٕज़ ‣ ಉ͡ՔಇͰύλʔϯ͋Γ ఀࢭ࣌ؒো͚ͩͰͳ͘ εέʔϧมߋɾόʔδϣϯΞοϓͳͲͷܭըతͳఀࢭؚΉ
εςʔτϑϧΞϓϦPO,VCFSOFUFT τϨΠϧϚοϓ
τϨΠϧϚοϓ 18 ϑΝΠϧڞ༗ όοΫΞοϓ γϯάϧߏͷεςʔτϑϧΞϓϦ ϚϧνߏͷεςʔτϑϧΞϓϦ
0QFSBUPS։ൃʹΑΔࣗཧ 1. File sharing 2. Backup 3. Stateful App(Single) 4. Stateful App(Multi) 5. Developing Operator for Autonomous Management
ϑΝΠϧڞ༗ 19 ‣ ·ͣ17$17ʹ׳ΕΑ͏ ‣ 17$17Λͬͯ1PEؒͰϑΝΠϧΛڞ༗ ྫಉछΞϓϦͰͷϑΝΠϧڞ༗ ྫҟछΞϓϦͰͷϑΝΠϧڞ༗ ྫ։ൃɾσόοΫ༻ͷϑΝΠϧஔ͖ 8FC4FSWFS
8FC4FSWFS ը૾ɾಈըɾ ੩తίϯςϯπFUD Ϟσϧσʔλ .-5SBJOJOH .-4FSWJOH 3 3FBE 8 8SJUF 38 38 8 3 6CVOUV Ұ࣌తͳ1PE γΣϧΤσΟλઃఆϑΝΠϧɺ CBTISD WJNSDFUD σόοΫ༻πʔϧεΫϦϓτͳͲ 17$17আ͍ͤͣճ͠
όοΫΞοϓ 20 ‣ σʔλΛόοΫΞοϓ͢Δํ๏ΛΓɺো࣌ͳͲͷσʔλϩετʹඋ͑Δ ‣ 7PMVNF4OBQTIPU 7PMVNF$MPOJOHͳͲͷ͍ํͱಛੑΛཧղ ‣ ετϨʔδᝑମ֎ͷόοΫΞοϓͱόοΫΞοϓπʔϧΛཧղ ࠩσʔλ
ࠩσʔλ ετϨʔδ# ΦϒδΣΫτετϨʔδͳͲ ετϨʔδ" $MPOJOH 4OBQTIPU 4OBQTIPU 3FTUPSF #BDLVQ ,BOJTUFS <ࢀߟใ> l1FSTJTUFOU7PMVNFͷҰาਐΜ͍ͩํz $/%5 IUUQTTQFBLFSEFDLDPNZTBLBTIJUBQFSTJTUFOUWPMVNFGBMTFCVKJOOEBTIJJGBOH l,VCFSOFUFTͷϦιʔεɾ1FSTJTUFOU7PMVNFΛόοΫΞοϓ͢Δ7FMFSPͷݕূz IUUQTRJJUBDPNZTBLBTIJUBJUFNTBCBEBDFDFB l,VCFSOFUFT/BUJWFͳόοΫΞοϓπʔϧ,BOJTUFSͷݕূz IUUQTRJJUBDPNZTBLBTIJUBJUFNTFECGE
γϯάϧߏͷεςʔτϑϧΞϓϦ 21 ‣ γϯάϧߏͷεςʔτϑϧΞϓϦͷڍಈΛѲ͢Δ ‣ ΞϓϦͷઃఆํ๏ɺͲͷσʔλΛ17$17ΛͬͯӬଓԽ͖͔͢Λཧղ͠ઃܭ ΞϓϦຖʹҟͳΔͨΊɺରΞϓϦͷ͕ࣝඞཁ ྫγϯάϧߏͷσʔλϕʔε
ϚϧνߏͷεςʔτϑϧΞϓϦ ྫϚϧνߏͷσʔλϕʔε ‣ εέʔϧΞτՄೳͳεςʔτϑϧΞϓϦΛ࣮ݱ͢Δ ‣ ΞϓϦຖʹҟͳΔσʔλಉظͷઃఆखॱɾํࣜɾಛੑͳͲΛཧղ͠ઃܭ 0QFSBUPS)FMNͰ༰қʹߏஙͰ͖Δέʔε͋Δ͕ɺӡ༻͢ΔͨΊʹํࣜɾಛੑͳͲͷཧղඞཁ TPVSDF SFQMJDB
SFQMJDB ɾɾɾ
0QFSBUPS։ൃʹΑΔࣗཧ 23 TPVSDF SFQMJDB SFQMJDB ɾɾɾ Controller ‣ ࣗ৫ͷӡ༻खॱϊϋΛ0QFSBUPS࣮ ‣
0QFSBUPSʹΑΔࣗӡ༻ԽΛߦ͍ɺཧෛՙͷܰݮϊϋͷଐਓԽΛݮ ྫ0QFSBUPSʹΑΔϚϧνߏͷσʔλϕʔεཧ 0QFSBUPS Ϛϧνߏͷσʔλϕʔε ཧ ࣗ
,VCFSOFUFTͷ ετϨʔδؔ࿈ͷಈ
ண͍ͯ͠Δಈ 25 ‣ *P5ͳͲͷ&EHFڥ͚ͷετϨʔδ ‣ ΞϓϦ࿈ܞͷόοΫΞοϓ
&EHFڥ͚ͷετϨʔδ 26 ‣ 4%4 4PGUXBSF%F fi OFE4UPSBHF ΛίϯςφԽ͠ɺ,VCFSOFUFT্Ͱ ಈ࡞ͤ͞Δ,VCFSOFUFT/BUJWF4UPSBHF͕ීٴ
FH3PPL $FQI -POHIPSO 0QFOͳͲ ‣ ,VCFSOFUFT/BUJWF4UPSBHF͕ଓʑͱBSNରԠ FH-POHIPSOW ,4ରԠ BSN ` 0QFOW BSNରԠ ` 3PPL $FQI W ` ‣ 3BTQCFSSZ1JͳͲখܕͷίϯϐϡʔλͰಈ࡞Մೳ ‣ *P5ͳͲ&EHFଆͰσʔλॲཧΛߦ͍͍ͨ߹ʹ׆༻Ͱ͖ΔΑ͏ʹͳΓ Ϣʔεέʔε͕͕Δ͜ͱΛظ
ΞϓϦ࿈ܞͷόοΫΞοϓ 27 ‣ ʹઃཱ͞Εͨ4*(4UPSBHF͔Βੜ͠%BUB1SPUFDUJPO8(͕ੜ ‣ ΞϓϦࢹͰͷόοΫΞοϓʹ͍ͭͯٞ 6T 6TFS TUBSUT CBDLVQ
,4 3FTPVSDF#BDLVQ %BUB #BDLVQ "QQMJDBUJPO/BUJWF %BUB%VNQ &YQPSU #BDLVQ /BUJWF $POUSPMMFS $PPSEJOBUFE 2VJFTDF 7PMVNF 4OBQTIPU PS#BDLVQ :FT /P 5ZQJDBM"QQ#BDLVQ8PSL fl PX 6ORVJFTDF 5ZQJDBM"QQ3FTUPSF8PSL fl PX 6T 6TFS TUBSUT SFTUPSF *NQPSU #BDLVQ ,4 3FTPVSDF 3FTUPSF 17$17 3FTUPSF 3FTUPSFGSPN OBUJWFEBUB EVNQ 3FIZESBUF17$GSPN 7PMVNF4OBQTIPU 7PMVNF#BDLVQ /BUJWF :FT /P ग़య,VCF$PO $MPVE/BUJWF$PO&VSPQF7JSUVBM l,VCFSOFUFT%BUB1SPUFDUJPO8(*OUSPBOE%FFQ%JWFz IUUQTLDDODFVTDIFEDPNFWFOUJ&/
,4ίϯϙʔωϯτ #BDLVQʣ 28 %BUB #BDLVQ "QQMJDBUJPO/BUJWF %BUB%VNQ &YQPSU #BDLVQ /BUJWF
$POUSPMMFS $PPSEJOBUFE 2VJFTDF 7PMVNF 4OBQTIPU PS#BDLVQ :FT /P 6ORVJFTDF 1SPDFTT &YJTUJOH,4$PNQPOFOU 8*1,4$PNQPOFOU .JTTJOH,4$PNQPOFOU 6TFECZ 8PSLMPBE"1* 4JH"QQT"QQMJDBUJPO ,4 3FTPVSDF#BDLVQ $04* #BDLVQ 3FQPTJUPSZ "QQMJDBUJPO #BDLVQ $POUBJOFS/PUJ fi FS 7PMVNF4OBQTIPU 7PMVNF#BDLVQ
,4ίϯϙʔωϯτ 3FTUPSFʣ 29 1SPDFTT &YJTUJOH,4$PNQPOFOU 8*1,4$PNQPOFOU .JTTJOH,4$PNQPOFOU 6TFECZ *NQPSU #BDLVQ
17$17 3FTUPSF 3FTUPSFGSPN OBUJWFEBUB EVNQ 3FIZESBUF17$GSPN 7PMVNF4OBQTIPU 7PMVNF#BDLVQ /BUJWF :FT /P "QQMJDBUJPO 3FTUPSF $04* ,4 3FTPVSDF 3FTUPSF 7PMVNF4OBQTIPU 7PMVNF#BDLVQ #BDLVQ 3FQPTJUPSZ
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