高集積コンテナホスティングにおけるボトルネックとその解法

ʙ࣋ͯ༨ͯ͠ΔϑϥετϨʔγϣϯɺ:PVWFHPUBOFBTZEBZʙ !QZBNB(.01FQBCP *OD CVJMEFSTDPOUPLZP ߴूੵίϯςφϗεςΟϯάʹ ͓͚ΔϘτϧωοΫͱͦͷղ๏

γχΞɾϓϦϯγύϧΤϯδχΞ ࢁԼ࿨඙!QZBNB ϗεςΟϯάࣄۀ෦νʔϑςΫχΧϧϦʔυ

IUUQTUFOTOBQPODPNBSDIJWFT

-JOVYͷ౷߹Ϣʔβʔ؅ཧ 50.-ܗࣜ )551 +40/ -%"1΍%#ͷ؅ཧ͕ෆཁ ѻ͍΍͍͢ϑΥʔϚοτ ൚༻ੑɾ֦ுੑ IUUQTTUOTKQ

-JOVY MJCOTTTUOT JEFYBNQMF VJE FYBNQMF HJE FYBNQMF HSPVQT FYBNQMF VTFS
OBNFFYBNQMF <\ OBNFFYBNQMF JE ^> γϯϓϧͰࣗ༝౓ͷߴ͍ઃܭ αʔό࣮૷΋͍ΘΏΔ3&45GVM෩ɺMJCOTTTUOT͔Β೚ҙͷίϚϯυΛ࣮ߦͨ͠ ݁ՌΛར༻Ͱ͖Δ࢓૊Έ΋͋ΔͷͰΫϥΠΞϯτଆͷ֦ு΋ࣗ༝ࣗࡏ <VTFSTFYBNQMF> JE LFZT<TTI> HSPVQ@JE TUOTDPOG

EPDLFSSVOOBNFTUOTETUOTTUOTMBUFTU EPDLFSFYFDJUTUOTCJOCBTI JEFYBNQMF VJE FYBNQMF HJE FYBNQMF HSPVQT FYBNQMF ͙͢ʹࢼͤ·͢
DVSMGT4-IUUQTSFQPTUOTKQTDSJQUTZVNSFQPTIcTI DVSMGT4-IUUQTSFQPTUOTKQTDSJQUTBQUSFQPTIcTI EPDLFS $FOU04 VCVOUVEFCJBO

ϗεςΟϯάࣄۀ &$ࢧԉࣄۀ ϋϯυϝΠυɾͦͷଞࣄۀ

೥ ϩϦϙοϓʂϨϯλϧαʔόαʔϏεఏڙ։࢝ ೥ ೥ ೥ ϔςϜϧαʔϏεఏڙ։࢝ 1ࢁ͕ϖύϘʹೖࣾʂʂ̍ ೥݄೔ ࣛࣇౡݝग़ਫࢢʹ͓͍ͯ1ࢁര஀ʂʂ̍ ೥
ݱࡏɾ૑ۀ೥໨ ϜʔϜʔυϝΠϯαʔϏεఏڙ։࢝

ϨϯλϧαʔόͱΫϥ΢υͷ͍͍ͱ͜ͲΓ ϩϦϙοϓʂϚωʔδυΫϥ΢υ IUUQTNDMPMJQPQKQ

ίϯςφΤϯδϯʹIBDPOJXBΛ࠾༻ wNSVCZ੡ίϯςφΤϯδϯ w3VCZ%4-ͰίϯςφఆٛՄೳ wϑΥʔΫલޙͳͲ೚ҙͷϑοΫ  ࣮૷͕Մೳ IUUQTHJUIVCDPNIBDPOJXBIBDPOJXB

ࠓ೔࿩͢͜ͱ w ෼Ͱ͋ͳͨ΋ίϯςφϚΠελʔߨ࠲ w ϝϞϦঢ়ଶىҼͷίϯςφ཯଎໰୊ w γεςϜ্ݶͱਓྨͷر๬ʹ͍ͭͯ w ωοτϫʔΫίϚϯυىҼͷίϯςφ཯଎໰୊ w
γεςϜௐࠪίϚϯυອஊ w ετϨʔδͷເͱల๬

෼Ͱ͋ͳͨ΋ ίϯςφϚΠελʔߨ࠲

ίϯςφͷߏ੒ཁૉ OBNFTQBDF DISPPU DHSPVQ DBQBCJMJUZ

ͦ΋ͦ΋ ίϯςφ

ίϯςφʹϓϩηε

OBNFTQBDF IUUQTMJOVYKNPTEOKQIUNM-%1@NBOQBHFTNBOVOTIBSFIUNM SPPU!MPDBMIPTUdJQB MP-001#"$, 61 -08&3@61NUVREJTDOPRVFVF MJOLMPPQCBDLCSE JOFUTDPQFIPTUMP FOQT#30"%$"45 .6-5*$"45
61 -08&3@61 MJOLFUIFSBCSE⒎⒎⒎⒎⒎⒎ JOFUCSETDPQFHMPCBMFOQT SPPU!MPDBMIPTUdCBTI SPPU!MPDBMIPTUdVOTIBSFOFU SPPU!MPDBMIPTUdJQB MP-001#"$,NUVREJTDOPPQTUBUF%08/HSPVQEFGBVMURMFO MJOLMPPQCBDLCSE

DISPPU IUUQTMJOVYKNPTEOKQIUNM-%1@NBOQBHFTNBODISPPUIUNM NLEJSDPOUBJOFS SPPU!MPDBMIPTUIPNFWBHSBOUDPOUBJOFSDQSCJOMJCMJCDPOUBJOFS DISPPUDPOUBJOFS CBTIMTMUS ESXYSYSY4FQCJO ESXYSYSY4FQMJC ESXYSYSY4FQMJC

DHSPVQ IUUQNBOPSHMJOVYNBOQBHFTNBODHSPVQTIUNM wDQVDGT@QFSJPE@VT w$16Ϧιʔεͷׂ౰ִؒϚΠΫϩඵ wDQVDGT@RVPUB@VT wׂ౰ִؒͷ಺ɺλεΫ͕࣮ߦ͞ΕΔϚΠΫϩඵ ϓϩηε͝ͱʹ$16΍ϝϞϦͳͲͷ  ϦιʔεΛ੍ݶ DGT@QFSJPE@VT
ඵ DGT@RVPUB@VT ඵ ˋ

DBQBCJMJUZ IUUQTMJOVYKNPTEOKQIUNM-%1@NBOQBHFTNBODBQBCJMJUJFTIUNM -JOVYͷݖݶ؅ཧͷ࢓૊Έɻϓϩηε΍ ϑΝΠϧ୯ҐͰ෇༩͢Δ͜ͱ͕Ͱ͖Δ QTFGcHSFQBQBDIF SPPU VTSTCJOBQBDIFLTUBSU XXXEBUB VTSTCJOBQBDIFLTUBSU XXXEBUB
VTSTCJOBQBDIFLTUBSU SPPUQUTHSFQDPMPSBVUPBQBDIF SPPU!MPDBMIPTUdHFUQDBQT $BQBCJMJUJFTGPSA DBQ@DIPXO DBQ@EBD@PWFSSJEF DBQ@OFU@CJOE@TFSWJDF

ܰྔԾ૝Խ؀ڥΛ࣮ݱ͢Δٕज़ -9$ͰֶͿίϯςφೖ໳!UFO@GPSXBSE IUUQHJIZPKQBENJOTFSJBMMJOVY@DPOUBJOFST

'BTU$POUBJOFSΞʔΩςΫνϟ

֮͑ͯ·͔͢ʁ 'BTU$(*

EJTQBUDIFS OHJOY DPOUBJOFS ίωΫγϣϯ νΣοΫ DPOUBJOFS ىಈ τϥϑΟοΫ ϦΫΤετΛܖػʹίϯςφΛىಈ͠ Ұఆ࣌ؒॲཧޙɺࣗಈతʹఀࢭ͢Δ
'BTU$POUBJOFS IUUQTICNBUTVNPUPSKQFOUSZ

ϢʔβʔσʔλΛετϨʔδʹ࣋ͭ͜ͱͰ εςʔτϑϧͳಈతίϯςφΞʔΩςΫνϟΛ࣮ݱ Ϣʔβʔσʔλ͸ετϨʔδʹ 4FSWFS 4FSWFS 4UPSFHF 6TFS%BUB DPOUBJOFS DPOUBJOFS

աෛՙ࣌ͳͲ΋ࣗಈͰ࣍ͷϦΫΤετ͔Β Φʔτεέʔϧ Φʔτεέʔϧ΋଎ 4FSWFS 4FSWFS 4UPSFHF 6TFS%BUB DPOUBJOFS DPOUBJOFS 4FSWFS
DPOUBJOFS

ϋʔυ΢ΣΞো֐͕ى͖ͯ΋࣍ͷϦΫΤετ͔Β ۭ͍ͯΔϗετͰىಈ ϋʔυো֐΋ࣗಈͰҠಈ 4FSWFS 4FSWFS 4UPSFHF 6TFS%BUB DPOUBJOFS DPOUBJOFS 4FSWFS
DPOUBJOFS DPOUBJOFS

'BTU$POUBJOFSͷ ίΞόϦϡʔ ίϯςφΛ͍͔ʹ଎͘ ىಈͤ͞Δ͔ʁ

'BTU$POUBJOFSʹ͓͚Δ ίϯςφͷߴ଎ىಈͱ ىಈ਺্ݶͱͷ ઓ͍ͷه࿥

ίϯςφىಈ؀ڥ w $16ίΞ w ϝϞϦ(# w "QBDIF)551%ϓϩηε NBTUFS Ͱίϯςφىಈ͍ͨ͠

ϝϞϦঢ়ଶىҼͷ ίϯςφ཯଎໰୊

ࣄ৅ɿ؂ࢹίϯςφͷμ΢ϯ w ֎ܗ؂ࢹΛߦ͍ͬͯΔίϯςφͷ )551ϨεϙϯελΠϜ͕ᮢ஋௒ӽ

OFUOTBEE BQQMZ@OBNFTQBDF .PVOUJOH 0,BQQMZ@pMFTZTUFN 0,BQQMZ@SMJNJU 0,BQQMZ@DHSPVQ 0,BQQMZ@SFNPVOU 0,BQQMZ@VTFS@OBNFTQBDF 0,EP@DISPPU 0,BQQMZ@DBQBCJMJUZ
0,BQQMZ@TFDDPNQ 0,TXJUDI@HVJE $POUBJOFSGPSLTVDDFTT ϩάͰ͸OFUOTͷ௥Ճ͕཯଎

JQOFUOTBEEYYYY JQOFUOTFYFDYYYYZZZZ JQίϚϯυ -JOVYͷ*'पΓͷػೳ͚ͩͰͳ͘ɺOFUOTͷ௥Ճ΍ɺ OFUOTʹର͢Δૢ࡞Λ࣮ݱ͍ͯ͠Δ

ௐࠪํ๏

೔ຊݹདྷΑΓ఻ΘΔ ఻౷ܳೳ ʮצʯ

wϓϩηεͷൃߦ͢ΔγεςϜίʔϧΛτϨʔε TUSBDF SPPU!MPDBMIPTUdTUSBDFUU5T4UJNFJQOFUOTBEEFYBNQMF FYFDWF TCJOJQ <JQ OFUOT BEE FYBNQMF> <
WBST > CSL /6-- YF BDDFTT FUDMETPOPIXDBQ '@0, &/0&/5 /PTVDIpMFPS EJSFDUPSZ NNBQ /6-- 1305@3&"%c1305@83*5& ."1@13*7"5&c ."1@"/0/:.064 YGCBD ʜ

TUSBDFUU5TJQOFUOTBEEFYBNQMF

wγεςϜίʔϧͷϘτϧωοΫΛγϯϘϧϨϕϧ·Ͱಛఆ QFSG QFSGUPQ QFSGSFDPSEDBMMHSBQIEXBSGQQJE QFSGSFQPSUH(TUEJP

JQ<LFSOFMLBMMTZNT><L>FOUSZ@4:4$"--@@GBTUQBUI c FOUSZ@4:4$"--@@GBTUQBUI c cTZT@VOTIBSF cVOTIBSF@OTQSPYZ@OBNFTQBDFT cDSFBUF@OFX@OBNFTQBDFT cDPQZ@OFU@OT cc ccTFUVQ@OFU
ccPQT@JOJU ccc cccJQUBCMF@pMUFS@OFU@JOJU cccJQU@SFHJTUFS@UBCMF cccc ccccYU@SFHJTUFS@UBCMF ccccYU@SFQMBDF@UBCMF cccc@@LNBMMPD@OPEF cccc@@TMBC@BMMPD ccccc ccccc@@@TMBC@BMMPD cccccEFBDUJWBUF@TMBC cccccc cccccc@@DNQYDIH@EPVCMF@TMBCJTSB ccccccVOTIBSF ccccccYB

4MBC DBUQSPDNFNJOGPcHSFQJTMBC 4MBCL# (ʘ ?P? ʗ

NNTMVCD ָ͘͠ಡΜͰֶͿ-JOVY IUUQTHJUIVCDPNUPSWBMETMJOVY

͍͑ͬʂ TZODFDIPQSPDTZTWNESPQ@DBDIFT TMBCUPQͰ֬ೝͨ͠ͱ͜ΖɺEFOUSZΩϟογϡ͕ ଟ͔ͬͨͨΊɺΩϟογϡͷΫϦΞ͕༗ޮͱߟ͑ͨ

ߋʹ͜͏͡Όʂʂ̍ CBTIDTZODFDIPa QSPDTZTWNESPQ@DBDIFT

4MBC͸ංେԽ͢Δͱ ϘτϧωοΫͱͳΔ Ұൠతʹ͸4MBCͷංେԽʹىҼͯ͠4XBQϝϞϦ͕ར༻͞Ε γεςϜશମ͕཯଎ʹͳΔ͜ͱ͕ଟ͍͕ɺ୯७ʹ࢖༻ྔ͕ ଟ͍ͱॳظԽॲཧ࣌ͷϩοΫͰϘτϧωοΫͱͳΔ͜ͱ͕͋Δɻ ·ͨ͜ΕΒͷ04ϨΠϠͷ࢓૊Έͷௐࠪʹ͓͍ͯ͸TUSBDF΍ QFSGΛར༻͢Δ͜ͱͰ͋ͨΓΛ͚ͭɺιʔεΛಡΈࠐΉ͜ͱͰ ݪҼʹର͢ΔԾઃΛཱͯΔ͜ͱ͕Ͱ͖Δɻ

γεςϜ্ݶͱ ਓྨͷر๬ʹ͍ͭͯ

ࣄ৅ɿίϯςφ͕ىಈ͠ͳ͍ w ίϯςφىಈ਺ෛՙݕূதʹ ίϯςφ͕ىಈ͠ͳ͘ͳͬͨ

ίϯςφͷน

DBOUBEEFUI@I@W(MW(W[UPCSJEHFIBDPOJXB&YDIBOHFGVMM SPPU!DPNQVUFdCSDUMTIPXcXDM CSJEHFͷγεςϜ্ݶʁ

ίϯςφωοτϫʔΫ -JOVY#SJEHF OFUOT DPOUBJOFS WFUIQBJS BQQMZOFUOT IBDPOJXB FUI@I@YYYYYYY DPOUBJOFS@YYYY

ίϯςφωοτϫʔΫ -JOVY#SJEHF OFUOT DPOUBJOFS WFUIQBJS BQQMZOFUOT IBDPOJXB FUI@I@YYYYYYY DPOUBJOFS@YYYY ্ݶ

EFpOF#3@1035@#*54 EFpOF#3@."9@10354 #3@1035@#*54 OFUCSJEHFCS@QSJWBUFI wఆ਺Λมߋ͠ɺΧʔωϧίϯύΠϧ͢Ε͹γεςϜ্ݶ͸ มߋՄೳɻ

ϒϦοδΛ෼ࢄ -JOVY#SJEHF OFUOT DPOUBJOFS WFUIQBJS BQQMZOFUOT IBDPOJXB FUI@I@ DPOUBJOFS@ -JOVY#SJEHF
IBDPOJXB999 OFUOT FUI@I@ DPOUBJOFS DPOUBJOFS@ BQQMZOFUOT OFUOT DPOUBJOFS WFUIQBJS BQQMZOFUOT FUI@I@ DPOUBJOFS@

-JOVY#SJEHF͸্ݶ͕͋Δ -JOVY#SJEHFʹ௥ՃͰ͖Δ*'͸ݸ͕γεςϜ্ݶͰ͋Δɻ ճආ͢Δʹ͸ఆ਺ͷ஋Λม͑ͯΧʔωϧίϯύΠϧ͢ΔɺϒϦοδΛ ෼ׂ͢Δɺ0QFOW4XJUDIʹஔ͖׵͑Δͱ͍͏खஈ͕͋Δɻ

ωοτϫʔΫίϚϯυىҼͷ ίϯςφ཯଎໰୊

ࣄ৅ ɿ $16ɾϝϞϦ͸༨༟͕͋Δ͕ -"͚͕ͩߴ͍ w ίϯςφىಈ਺ෛՙݕূதʹίϯ ςφͷىಈ͕஗͘ͳΓɺ-"͕ߴಅ

1*%64&313/*7*353&44)34$16.&.5*.& $0.."/% SPPUHH4DBEWJTPS SPPU3UPQ VCVOUV3BQBDIF SPPU%SPVUF SPPU3IBDPOJXB SPPU%SPVUF SPPU%SPVUF SPPU%JQ
SPPU%SPVUF SPPU%JQ SPPU3IBDPOJXB SPPU3IBDPOJXB SPPU3IBDPOJXB SPPU3IBDPOJXB SPPU%SPVUF SPPU3IBDPOJXB UPQ

༨ஊDBEWJTPS IUUQTHJUIVCDPNHPPHMFDBEWJTPS

UJNFJQOFUOTBEEUFTU 35/&5-*/,BOTXFST*OWBMJEBSHVNFOU 35/&5-*/,BOTXFST*OWBMJEBSHVNFOU 35/&5-*/,BOTXFST*OWBMJEBSHVNFOU 35/&5-*/,BOTXFST*OWBMJEBSHVNFOU SFBMNT VTFSNT TZTNT JQOFUOTBEE͕ࢗ͞Δ

QFSGSFDPSEDBMMHSBQIEXBSGJQOFUOTBEEFYBNQMF QFSGSFQPSUH(TUEJP JQ<LFSOFMLBMMTZNT><L>FOUSZ@4:4$"--@@GBTUQBUI c FOUSZ@4:4$"--@@GBTUQBUI c cTZT@PQFO cc ccEP@TZT@PQFO ccc
cccEP@pMQ@PQFO cccc ccccQBUI@PQFOBU ccccc TZT@PQFO͕ࢧ഑త

TUSBDFJQOFUOTBEEFYBNQMF PQFO WBSSVOOFUOTOFUOT@BECB 0@3%0/-: TFOENTH \NTH@OBNF
\TB@GBNJMZ"'@/&5-*/, QJE HSPVQT^ SFDWNTH \NTH@OBNF \TB@GBNJMZ"'@/&5-*/, QJE HSPVQT^ DMPTF PQFO WBSSVOOFUOTOFUOT@DGDGEBC 0@3%0/-: TFOENTH \NTH@OBNF \TB@GBNJMZ"'@/&5-*/, QJE HSPVQT^ SFDWNTH \NTH@OBNF \TB@GBNJMZ"'@/&5-*/, QJE HSPVQT^ DMPTF طଘͷOFUOT͢΂ͯʹ ໰͍߹Θ͍ͤͯΔ

GSFF UPUBMVTFEGSFFTIBSFECV⒎DBDIFBWBJMBCMF .FN˒ 4XBQUPUBM Ϧιʔεঢ়ଶ wखݩͷ7JSUVBM#PYͰ࠶ݱͤͨ͞ͱ͜ΖϝϞϦ͕  ރׇঢ়ଶͰ͋ͬͨ

ௐ͔ࠪΒಘΒΕΔԾઆͱଧͪख wϝϞϦ͕ރׇঢ়ଶͰ͋ΔͱPQFO͕ࢧ഑త wTFOENTHͷ಺༰͕ෆཁͰ͋Ε͹ɺطଘͷOFUOTʹ  ର͢ΔॲཧΛ࡟আ͢Ε͹ɺOFUOTͷϘτϧωοΫ͕֎ͤΔ

HEC͔Β͋ͨΓΛ͚ͭΔ HECJQ HEC CTFOENTH HEC SVOOFUOTBEEUFTU@ 4UBSUJOHQSPHSBNTCJOJQOFUOTBEEUFTU@ #SFBLQPJOU TFOENTH
BUTZTEFQTVOJYTZTDBMMUFNQMBUF4 TZTEFQTVOJYTZTDBMMUFNQMBUF4/PTVDIpMFPSEJSFDUPSZ HEC CU TFOENTH BUTZTEFQTVOJYTZTDBMMUFNQMBUF4 YDCJOSUOM@UBML YCEJO YGJOOFUOT@NBQ@JOJU YDFJOEP@OFUOT YJO

શͯ͸ιʔεʹॻ͍ͯ͋Δ

OFUMJOLΛར༻ͨ͠/4*%औಘ XIJMF FOUSZSFBEEJS EJS /6-- \ JG TUSDNQ FOUSZE@OBNF
DPOUJOVF JG TUSDNQ FOUSZE@OBNF DPOUJOVF OTJEHFU@OFUOTJE@GSPN@OBNF FOUSZE@OBNF JG OTJE OFUOT@NBQ@BEE OTJE FOUSZE@OBNF ^ JQJQOFUOTD

࠷৽ͷιʔεͰ͸͢Ͱʹύον

OFUOTͷ௥Ճ͕ര଎ʹʂʂ̍ TUSBDFUUTPTUSBDF@JQOFUOTBEEUFTU@ IFBETUSBDF@ FYFDWF TCJOJQ <JQ OFUOT BEE UFTU@> <
WBST > UBJMTUSBDF@ FYJUFEXJUI ύοέʔδόʔδϣϯൺֱͰඵ͔ΒඵʹͳΓ ഒ͘Β͍ૣ͘ͳͬͨ TUSBDFUUTPTUSBDF@JQOFUOTBEEUFTU@ IFBETUSBDF@ FYFDWF TCJOJQ <JQ OFUOT BEE UFTU@> < WBST > UBJMTUSBDF@ FYJUFEXJUI CFGPSF BGUFS

IBDPOJXBTPGUJJ[VLBMPMJQPQJPDEQBSFOU<>JQMJOLTFU FUIDE@IVQ TZTUFNEVEFWE<>$PVMEOPUHFOFSBUFQFSTJTUFOU."$BEESFTTGPS FUIDE@I/PTVDIpMFPSEJSFDUPSZ ϘτϧωοΫ͕ભҠ͢Δ IUUQTHJUIVCDPNTZTUFNETZTUFNEJTTVFT

."$"EESFTT1PMJDZͷมߋ FUDTZTUFNEOFUXPSLEFGBVMUMJOL ."$"EESFTT1PMJDZQFSTJTUFODF ."$"EESFTT1PMJDZSBOEPN ."$"EESFTT1PMJDZOPOF ࠶ىಈޙ΋ಉ͡.BDΞυϨεΛ෷͍ग़͢ σόΠε௥Ճ࣌ʹɺϥϯμϜͳ.BDΞυϨεΛ෷͍ग़͢ ΧʔωϧʹΑͬͯ෷͍ग़͞Εͨ.BDΞυϨεΛར༻͢Δ

HECJTศར wطଘͷϓϩηεɺίϚϯυʹ͓͍ͯ͋ͨΓΛ͚ͭΔͱ͖  όοΫτϨʔε͸େ͖ͳख͕͔ΓʹͳΔ w-JOVYʹࠝแ͞Ε͍ͯΔίϚϯυ͸ͦΕͳΓʹ։ൃ͕  ଓ͍͓ͯΓɺίϛοτಡΉͱ࠷దԽ͕ਐΜͰ͍Δɻ wNSVCZJQSPVUFཉ͍͠

ίϯςφ

IBDPOJXBXJOUFSLVSPTBLJ<>JQOFUOTBEEOFUOT@BEF IBDPOJXBXJOUFSLVSPTBLJ<>JQMJOLBEEFUIBEF@IUZQF WFUIQFFSOBNFFUIBEF@D ࠶ͼɺJQOFUOTBEE͕཯଎ OFUOTͷ௥Ճʹඵ͘Β͍͔͔Δ

JQ<LFSOFMLBMMTZNT><L>FOUSZ@4:4$"--@@GBTUQBUI c FOUSZ@4:4$"--@@GBTUQBUI c cTZT@NPVOU cc ccEP@NPVOU ccc cccHSBGU@USFF cccBUUBDI@SFDVSTJWF@NOU
cccc ccccQSPQBHBUF@NOU ccccc cccccQSPQBHBUF@POF cccccc ccccccDPQZ@USFF ccccccDMPOF@NOU ccccccc cccccccBMMPD@WGTNOU DPQZ@USFF͕ࢧ഑త

DPQZ@USFF   GTOBNFTQBDFD Ϛ΢ϯτ࣌ͷϑϥά͕.4@#*/%ͳͱ͖ʹMPPQCBDLϚ΢ϯτ ͯ͠ɺϚ΢ϯτͷπϦʔߏ଄Λίϐʔ͢Δ

XIJMF NPVOU /&5/4@36/@%*3 OPOF .4@4)"3&%c.4@3&$ /6-- \ 'BJMVOMFTTXFOFFEUPNBLFUIFNPVOUQPJOU
JG FSSOP&*/7"-ccNBEF@OFUOT@SVO@EJS@NPVOU \ GQSJOUG TUEFSS NPVOUNBLFTIBSFETGBJMFETaO /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ 6QHSBEF/&5/4@36/@%*3UPBNPVOUQPJOU JG NPVOU /&5/4@36/@%*3 /&5/4@36/@%*3 OPOF .4@#*/%c.4@3&$ /6-- \ GQSJOUG TUEFSS NPVOUCJOETTGBJMFETaO /&5/4@36/@%*3 /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ NBEF@OFUOT@SVO@EJS@NPVOU ^ JQJQOFUOTD

JG FSSOP&*/7"-ccNBEF@OFUOT@SVO@EJS@NPVOU \ GQSJOUG TUEFSS NPVOUNBLFTIBSFETGBJMFETaO /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ 6QHSBEF/&5/4@36/@%*3UPBNPVOUQPJOU JG NPVOU /&5/4@36/@%*3 /&5/4@36/@%*3 OPOF .4@#*/%c.4@3&$ /6-- \ GQSJOUG TUEFSS NPVOUCJOETTGBJMFETaO /&5/4@36/@%*3 /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ NBEF@OFUOT@SVO@EJS@NPVOU ^ JQJQOFUOTD WBSSVOOFUOTΛ࠶ؼతʹ 4)"3&%Ϛ΢ϯτ

JG FSSOP&*/7"-ccNBEF@OFUOT@SVO@EJS@NPVOU \ GQSJOUG TUEFSS NPVOUNBLFTIBSFETGBJMFETaO /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ 6QHSBEF/&5/4@36/@%*3UPBNPVOUQPJOU JG NPVOU /&5/4@36/@%*3 /&5/4@36/@%*3 OPOF .4@#*/%c.4@3&$ /6-- \ GQSJOUG TUEFSS NPVOUCJOETTGBJMFETaO /&5/4@36/@%*3 /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ NBEF@OFUOT@SVO@EJS@NPVOU ^ JQJQOFUOTD WBSSVOOFUOTΛ ࣗ෼ࣗ਎ʹ#*/%Ϛ΢ϯτ͢Δ͜ ͱͰ4)"3&%Մೳʹ͢Δ

JG VOTIBSF $-0/&@/&8/&5 \ GQSJOUG TUEFSS 'BJMFEUPDSFBUFBOFXOFUXPSLOBNFTQBDFaTaTaO
OBNF TUSFSSPS FSSOP HPUPPVU@EFMFUF ^ #JOEUIFOFUOTMBTUTP*DBOXBUDIGPSJU JG NPVOU QSPDTFMGOTOFU OFUOT@QBUI OPOF .4@#*/% /6-- \ GQSJOUG TUEFSS #JOEQSPDTFMGOTOFUTGBJMFETaO OFUOT@QBUI TUSFSSPS FSSOP HPUPPVU@EFMFUF ^ JQJQOFUOTD ͜ͷϓϩηεͷOFUOTΛ෼཭͢Δ

JG VOTIBSF $-0/&@/&8/&5 \ GQSJOUG TUEFSS 'BJMFEUPDSFBUFBOFXOFUXPSLOBNFTQBDFaTaTaO
OBNF TUSFSSPS FSSOP HPUPPVU@EFMFUF ^ #JOEUIFOFUOTMBTUTP*DBOXBUDIGPSJU JG NPVOU QSPDTFMGOTOFU OFUOT@QBUI OPOF .4@#*/% /6-- \ GQSJOUG TUEFSS #JOEQSPDTFMGOTOFUTGBJMFETaO OFUOT@QBUI TUSFSSPS FSSOP HPUPPVU@EFMFUF ^ JQJQOFUOTD OFUOT@QBUIWBSSVOOFUOTOFUOT໊ ʹ෼཭ͨ͠OFUOTͷ'%Λ#*/%Ϛ΢ϯτ͢Δ ͜ͱͰϓϩηε͕ͳ͘ͳͬͯ΋OFUOT͕࢒Δ

JG FSSOP&*/7"-ccNBEF@OFUOT@SVO@EJS@NPVOU \ GQSJOUG TUEFSS NPVOUNBLFTIBSFETGBJMFETaO /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ 6QHSBEF/&5/4@36/@%*3UPBNPVOUQPJOU JG NPVOU /&5/4@36/@%*3 /&5/4@36/@%*3 OPOF .4@#*/%c.4@3&$ /6-- \ GQSJOUG TUEFSS NPVOUCJOETTGBJMFETaO /&5/4@36/@%*3 /&5/4@36/@%*3 TUSFSSPS FSSOP SFUVSO ^ NBEF@OFUOT@SVO@EJS@NPVOU ^ JQJQOFUOTD .4@3&$͸࠶ؼతʹߦ͏ͷͰ 0 O ͷ͕͔͔࣌ؒΔ

զʑͷ༻్Ͱ͸.4@3&$ෆཁ SPPUOBNFTQBDF OFUOTBEE OFUOTEFM GPSL XBJUQJE VOTIBSF DPOUBJOFSOBNFTQBDF QSPDFTT EPOF

QZBNBJQ ίϚϯυര஀

QJQίϚϯυ͸΍Ίͨ΄͏͕͍͍

ίϯςφ

IBDPOJXBUJHIUJJ[VLB<>JQOFUOTBEEOFUOT@BEF IBDPOJXBUJHIUJJ[VLB<>JQMJOLTFUFUIBEF@DOFUOT OFUOT@BEFVQ IBDPOJXBUJHIUJJ[VLB<>JQOFUOTFYFDOFUOT@BEFJQBEESBEE EFWFUIBEF@D IBDPOJXBUJHIUJJ[VLB<>JQOFUOTFYFDOFUOT@BEFJQMJOLTFU MPVQ IBDPOJXBUJHIUJJ[VLB<>JQOFUOTFYFDOFUOT@BEFTCJOSPVUF BEEEFGBVMUHX JQOFUOTFYFD͕཯଎
௨৴Ͱ͖ΔΑ͏ʹͳΔ·Ͱඵ͘Β͍͔͔Δ

JQ<LFSOFMLBMMTZNT><L>FOUSZ@4:4$"--@@GBTUQBUI c FOUSZ@4:4$"--@@GBTUQBUI c cTZT@VOTIBSF cVOTIBSF@OTQSPYZ@OBNFTQBDFT cDSFBUF@OFX@OBNFTQBDFT cDPQZ@NOU@OT cc ccDPQZ@USFF
ccc cccDMPOF@NOU cccc ccccBMMPD@WGTNOU ccccc ccccc@@BMMPD@QFSDQV cccccc ccccccQDQV@BMMPD ccccccc cccccccQDQV@BMMPD@BSFB cccccccc ccccccccVOTIBSF ccccccccOFUOT@TXJUDI

TOQSJOUG OFU@QBUI TJ[FPG OFU@QBUI TT /&5/4@36/@%*3 OBNF
OFUOTPQFO OFU@QBUI 0@3%0/-:c0@$-0&9&$ JG OFUOT \ GQSJOUG TUEFSS $BOOPUPQFOOFUXPSLOBNFTQBDFaTaTaO OBNF TUSFSSPS FSSOP SFUVSO ^ JG TFUOT OFUOT $-0/&@/&8/&5 \ GQSJOUG TUEFSS TFUUJOHUIFOFUXPSLOBNFTQBDFaTaGBJMFETaO OBNF TUSFSSPS FSSOP DMPTF OFUOT SFUVSO ^ MJCOBNFTQBDFD

TOQSJOUG OFU@QBUI TJ[FPG OFU@QBUI TT /&5/4@36/@%*3 OBNF
OFUOTPQFO OFU@QBUI 0@3%0/-:c0@$-0&9&$ JG OFUOT \ GQSJOUG TUEFSS $BOOPUPQFOOFUXPSLOBNFTQBDFaTaTaO OBNF TUSFSSPS FSSOP SFUVSO ^ JG TFUOT OFUOT $-0/&@/&8/&5 \ GQSJOUG TUEFSS TFUUJOHUIFOFUXPSLOBNFTQBDFaTaGBJMFETaO OBNF TUSFSSPS FSSOP DMPTF OFUOT SFUVSO ^ MJCOBNFTQBDFD ࡞੒ࡁΈͷOFUOTʹ VOTIBSF

JG VOTIBSF $-0/&@/&8/4 \ GQSJOUG TUEFSS
VOTIBSFGBJMFETaO TUSFSSPS FSSOP SFUVSO ^ %POUMFUBOZNPVOUTQSPQBHBUFCBDLUPUIFQBSFOU JG NPVOU OPOF .4@4-"7&c.4@3&$ /6-- \ GQSJOUG TUEFSS aNPVOUNBLFSTMBWFaGBJMFETaO TUSFSSPS FSSOP SFUVSO ^ MJCOBNFTQBDFD NPVOUOTΛ෼཭͢Δ

JG VOTIBSF $-0/&@/&8/4 \ GQSJOUG TUEFSS
VOTIBSFGBJMFETaO TUSFSSPS FSSOP SFUVSO ^ %POUMFUBOZNPVOUTQSPQBHBUFCBDLUPUIFQBSFOU JG NPVOU OPOF .4@4-"7&c.4@3&$ /6-- \ GQSJOUG TUEFSS aNPVOUNBLFSTMBWFaGBJMFETaO TUSFSSPS FSSOP SFUVSO ^ MJCOBNFTQBDFD .4@4-"7&ʹΑͬͯ͜ͷ/4ʹ ͓͚Δ͋ΒΏΔϚ΢ϯτͷมߋΛ ਌ʹ఻ൖ͠ͳ͍

JG NPVOU OBNF TZT TZTGT NPVOUqBHT /6-- \
GQSJOUG TUEFSS NPVOUPGTZTGBJMFETaO TUSFSSPS FSSOP SFUVSO ^ MJCOBNFTQBDFD TZTGTΛϚ΢ϯτ͢Δ͜ͱͰ ࣮࣭ίϯςφԽ

VOTIBSF OFUOT VOTIBSF NPVOUOT TMBWF SPPUTZTUFN TZT NPVOU JQOFUOTFYFD͸ ίϯςφͰ͋Δ

VOTIBSF OFUOT VOTIBSF NPVOUOT TMBWF SPPUTZTUFN TZT NPVOU JQOFUOTFYFD͸ ίϯςφͰ͋Δ
OFUOTͷ*'ʹ*1௥ՃͷΈ΍Γ͍ͨ ͷͰίϯςφͷػೳ͸͍Βͳ͍

ίϯςφऑͰϝϞϦރׇ ͭ·ΓɺϦιʔε࢖͍੾Εͨ

γεςϜௐࠪίϚϯυອஊ

w HEC5IF(/6%FCVHHFS w TUSBDF5SBDFTZTUFNDBMMTBOETJHOBMT w QFSG1FSGPSNBODFBOBMZTJTUPPMTGPS-JOVY w WBMHSJOEBTVJUFPGUPPMTGPSEFCVHHJOHBOEQSPpMJOHQSPHSBNT

NSVCZ ͷ"1*ΫϥΠΞϯτ͕ ΊͬͪΌϝϞϦ࢖͏ NSVCZ DMJFOU "1*4FSWFS SFTPVSDFFYBNQMF NSVCZͷ$MJFOU͔Β͋Δ"1*Λ࣮ߦͯ͠ .#ͷϨεϙϯεΛऔಘ͢Δ +40/

ॠؒతʹ(CZUF͘Β͍ ϝϞϦ͕ར༻͞ΕΔ

WBMHSJOEͰϝϞϦͷΞϩέʔγϣϯΛݟΔ # valgrind curl http://localhost/resource/example > /dev/null … ==18619== HEAP
SUMMARY: ==18619== in use at exit: 0 bytes in 0 blocks ==18619== total heap usage: 1,863 allocs, 1,863 frees, 211,125 bytes allocated # valgrind /home/pyama/mruby test.rb … ==12811== HEAP SUMMARY: ==12811== in use at exit: 0 bytes in 0 blocks ==12811== total heap usage: 51,721 allocs, 51,721 frees, 12,028,345,116 bytes allocated

ʗ ?P? ʘ(

TUSBDFͰγεςϜίʔϧͷ౷ܭΛऔΔ # strace -fc /home/pyama/mruby test.rb % time seconds usecs/call
calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 73.00 0.006317 2 3361 munmap 23.27 0.002014 11 183 brk 2.62 0.000227 0 1734 read 1.11 0.000096 0 3380 mmap 0.00 0.000000 0 3 write 0.00 0.000000 0 16 open 0.00 0.000000 0 23 close NVONBQ͕ࢧ഑త IUUQTMJOVYKNPTEOKQIUNM-%1@NBOQBHFTNBONNBQIUNM

QFSGΛར༻ͯ͠ίʔϧάϥϑΛऔಘ͢Δ # perf record --call-graph dwarf -- /home/pyama/mruby test.rb #
perf report -g -G —stdio 94.35% 0.03% mruby mruby [.] mrb_str_plus | ---mrb_str_plus | --20.06%-- mrb_vm_exec mrb_vm_run … NSC@TUS@QMVT͕ࢧ഑త IUUQNSVCZPSHEPDTBQJIFBEFSTNSVCZ@'TUSJOHIIUNMNSC@TUS@QMVTGVODUJPO

πʔϧΛར༻ͯ͠ूΊͨ৘ใ͔Β ԾઃΛཱͯΔ w ॲཧ͸)551ϦΫΤετͰϨεϙϯεϘσΟ͸αΠζ͕େ͖͍ w ϝϞϦ(#࢖ͬͯΔΦϫλ w NVONBQ͕ࢧ഑తͰճ਺΋ଟ͍͜ͱ͔ΒɺϝϞϦͷ֬อɺղ์͕  ଟ͍ͷͰ͸ͳ͍͔ʁ w
NSC@TUS@QMVT͕ࢧ഑తͰ͋Δ͜ͱ͔Βɺจࣈྻ݁߹͕ଟ͍͜ͱ͕ݪҼʁ NSC@TUS@QMVTSVCZFbDlBz lCz`

NSVCZTJNQMFIUUQ while (t = socket.read(1024)) if block_given? yield t next
end response_text += t end CPEZΛCZUFͣͭಡΈɺ จࣈྻ݁߹͍ͯ͠Δ

NSVCZTJNQMFIUUQ while (t = socket.read(4096)) if block_given? yield t next
end response_text += t end ୯७ʹ͸όοϑΝαΠζΛ֦ு͠ɺ ಡΈࠐΈճ਺ΛݮΒͤ͹ϧʔϓ͸ݮΔ

NSC@TUS@QMVT MRB_API mrb_value mrb_str_plus(mrb_state *mrb, mrb_value a, mrb_value b) {
struct RString *s = mrb_str_ptr(a); struct RString *s2 = mrb_str_ptr(b); struct RString *t; t = str_new(mrb, 0, RSTR_LEN(s) + RSTR_LEN(s2)); memcpy(RSTR_PTR(t), RSTR_PTR(s), RSTR_LEN(s)); memcpy(RSTR_PTR(t) + RSTR_LEN(s), RSTR_PTR(s2), RSTR_LEN(s2)); return mrb_obj_value(t); } ݁߹ޙจࣈྻͷϝϞϦΛ Ξϩέʔτ

NSC@TUS@QMVT B C BC BC D BCD BCD
E BCDE ϧʔϓ໨ όΠτ ϧʔϓ໨ όΠτ ϧʔϓ໨ όΠτ ݁ՌจࣈྻͷྖҬ͸৽ن࡞੒

NSC@TUS@DBU MRB_API mrb_value mrb_str_cat(mrb_state *mrb, mrb_value str, const char *ptr,
size_t len) { struct RString *s = mrb_str_ptr(str); size_t capa; size_t total; ptrdiff_t off = -1; ... resize_capa(mrb, s, capa); memcpy(RSTR_PTR(s) + RSTR_LEN(s), ptr, len); mrb_assert_int_fit(size_t, total, mrb_int, MRB_INT_MAX); RSTR_SET_LEN(s, total); RSTR_PTR(s)[total] = '\0'; /* sentinel */ return str; } ͍ΘΏΔSFBMMPDͰ طଘͷྖҬΛ֦ு͍ͯ͠Δ

NSC@TUS@DBU B C BC BC D BCD BCD
E BCDE ϧʔϓ໨ όΠτ ϧʔϓ໨ όΠτ ϧʔϓ໨ όΠτ ݁ՌจࣈྻͷྖҬ͸ݩจࣈྻΛ֦ு

NSC@TUS@QMVT TUSJOHlBCz TUSJOHlBz TUSJOHlCz NSC@TUS@DBU TUSJOHlBCz TUSJOHlBz TUSJOHlCz

ͲΕ͘Β͍͕ࠩ͋Δͷ͔ʁ a = "aaa" b = "bbb" 100000.times do |n|
a += b end a = "aaa" b = "bbb" 100000.times do |n| a << b end TVEPWBMHSJOENSVCZOFXSC )&"146.."3: JOVTFBUFYJUCZUFTJOCMPDLT UPUBMIFBQVTBHF CZUFTBMMPDBUFE TVEPWBMHSJOENSVCZDPODBUSC )&"146.."3: JOVTFBUFYJUCZUFTJOCMPDLT UPUBMIFBQVTBHF CZUFTBMMPDBUFE NSC@TUS@QMVT NSC@TUS@DPODBU ສϧʔϓͩͱ ϝϞϦΞϩέʔγϣϯഒ

ଟ֯తͳௐࠪΛ͠Α͏ wखʹೃછΉπʔϧΛ͍͔ͭ࣋͘ͱ͏ wϓϩάϥϛϯάݴޠ΋ʮ࣮૷ʯ͕͋ΔͳΒ͹ɺݪҼ͸ ɹΘ͔Δ͜ͱ͕Ͱ͖Δ

w HEC5IF(/6%FCVHHFS w TUSBDF5SBDFTZTUFNDBMMTBOETJHOBMT w QFSG1FSGPSNBODFBOBMZTJTUPPMTGPS-JOVY w WBMHSJOEBTVJUFPGUPPMTGPSEFCVHHJOHBOEQSPpMJOHQSPHSBNT

ετϨʔδͷເͱల๬

ʁʁʁʮຊ൪ͷXPSEQSFTTαΠτʹ BC͔͚ͨΒؔ܎ͳ͍αΠτ͕མͪ·ͨ͠ʯ

ίϯςφͩΑͶʁ w DHSPVQΛར༻ͯ͠$16ɺϝϞϦͱ΋ʹϦιʔε੍ݶঢ়ଶ w Ұͭͷίϯςφͷෛՙ͕γεςϜϫΠυͰӨڹΛٴ΅͢͜ͱ͸ߟ͑ͮΒ͍

QTFGcHSFQBQBDIFcHSFQ9 OTDE BQBDIF%'03&(306/%9 QFSGSFDPSEDBMMHSBQIEXBSGQ QFSGSFQPSUH(TUEJP BQBDIFJPODVCF@MPBEFS@MJO@TP<>YCGD c YGEGGD c c;&/%@*/$-6%&@03@&7"-@41&$@$0/45@)"/%-&3
cFYFDVUF@FY cYGEGGD cc cc;&/%@*/$-6%&@03@&7"-@41&[email protected]"3@)"/%-&3 ccFYFDVUF@FY ccYGEGGD cc;&/%@*/$-6%&@03@&7"-@41&[email protected]"3@)"/%-&3 ccFYFDVUF@FY ccYGEGGD cc;&/%@*/$-6%&@03@&7"-@41&[email protected]"3@)"/%-&3 ccFYFDVUF@FY "QBDIF)551%͸9Λ͚ͭΔͱ γϯάϧϞʔυͰىಈ͢Δ

TUSBDFGDQ UJNFTFDPOETVTFDTDBMMDBMMTFSSPSTTZTDBMM PQFO GTUBU SFBE MTUBU SFDWGSPN XSJUF DMPTF
TUBU QPMM TUSBDFͰ͸PQFO͕ଟ͍

TUSBDFGDQ UJNFTFDPOETVTFDTDBMMDBMMTFSSPSTTZTDBMM PQFO MTUBU XSJUFW SFBE XSJUF DMPTF TUBU
ͨ·ʹΊͬͪΌ஗͍͕࣌͋Δ IUUQTMJOVYKNPTEOKQIUNM-%1@NBOQBHFTNBOTUBUIUNM

ͦ΋ͦ΋1)1ͱετϨʔδ͸ ૬ੑ͕ѱ͍ w 1)1͸௨ৗϑΝΠϧΛ౎౓։͍ͯɺίϯύΠϧ࣮ͯ͠ߦ͢Δ w /"4 /'4 ʹ͓͍ͯখ͍͞ϑΝΠϧΛଟ͘։͘ͱ͍͏ͷ͸  ύϑΥʔϚϯεతʹͱͯ΋ۤख

Զͨͪͷ1)1ʹ͸ 01DBDIF͕͋Δ

ݴ͏ͯ΋ɺѱҙʹऑ͍ w XIJMFʙpOEʙFYFDͱ͔΍ΒΕΔͱ฼؋ϫΠυͰ཯଎ʹͳΔ w TFDDPNQ #1' Λར༻͢ΔͳͲ੍ݶΛݕ౼ SMJNJUͰ΋͍͍͔΋

ࠓޙɺQZBNB͕ ΍͍͖͍ͬͯͨ͜ͱ ͕࣌ؒ͋Ε͹࿩͢

IBDP3%4

ֵ৽తεέδϡʔϥ

·ͱΊ

ࠓ೔࿩ͨ͜͠ͱͨͪ w ίϯςφͷϘτϧωοΫ͸-JOVYίϚϯυΛۦ࢖ͯ͠ɺݪ Ҽʹ͋ͨΓΛ෇͚ͯɺιʔεΛಡΉͷ͕Ԧಓ w ͦͷγεςϜίʔϧ͕ԿΛ͢Δͷ͔جૅతֶश͕ඞཁ w ίϯςφ͸͋͘·ͰϓϩηεͰ͋Δ

w TMVCɿTMBCPCKFDUͷ࡞੒ॲཧΛݟ͍ͯ͘ IUUQT LFSOIBDLIBUFOBCMPHDPNFOUSZ w 4ZTUFNEೖ໳ 1SJWBUF5NQͷ࣮૷ΛݟΔ
IUUQ FOBLBJIBUFOBCMPHDPNFOUSZ ࢀߟจݙ

5IBOLZPV ࠷৽ͷ࠾༻৘ใΛνΣοΫˠ !QC@SFDSVJU

高集積コンテナホスティングにおけるボトルネックとその解法

高集積コンテナホスティングにおけるボトルネックとその解法

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