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仮想化基盤Xenの性能評価 / Performance evaluation of virtualization platform Xen - Speaker Deck
仮想化基盤Xenの性能評価 / Performance evaluation of virtualization platform Xen
第3回関西IT系インフラ勉強会発表資料
Taketo Sasaki
February 27, 2016
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Transcript
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Xenͱ • ԾϚγϯϞχλ • ෳͷOSΛฒྻʹಈ࡞ͤ͞Δ͜ͱ͕Ͱ͖Δ • Dom0ͱDomU • Dom0͕XenͷཧϋʔυΣΞΞΫηεΛ୲͏ •
DomUϋʔυΣΞʹΞΫηε͠ͳ͍ -
XenͷΠϝʔδ • ϋΠύʔόΠβ͕ϋʔυΣΞ্Ͱ࣮ߦ • Xenىಈ࣌ʹDom0͕ىಈ • γεςϜىಈޙɼDomUͳͲ͕ىಈ ϋʔυΣΞ 9FOϋΠύʔόΠβ %PN
%PN6 %PN6 ήετ্ͷϓϩηε ήετ্ͷϓϩηε ήετ্ͷϓϩηε -
ԾԽαʔόͷߏங@ͯͳ • ϋʔυΣΞϦιʔεͷར༻ͷ্ • Ϧιʔεར༻ͷޮԽ • ྫ͑ɼ • CPU͕ۭ͍͍ͯΔˠWebαʔό •
IO͕ۭ͍͍ͯΔˠDBαʔό • ಉډΛආ͚ΔΈ߹Θͤ • ෛՙͷߴ͍ͷಉ࢜ආ͚Δ • ಉ͡༻్ͷͷආ͚Δ • ॏཁͳϗετ͚͞Δ %PN ϋʔυΣΞ %PN6 8FCαʔό %PN6 %#αʔό %PN6 Ωϟογϡαʔό -
࣮ݧڥ • ݕূػ • ϝϞϦɿ100GB • CPUɿ16ݸɼ2.60GHz • Xen 4.4.1ʢcreditεέδϡʔϥʣ
• Debian 8 • DomU • elsΛ฿ ϝϞϦɿ40GBɼσΟεΫɿ132GB • MySQLΛ฿ ϝϞϦɿ8GBɼσΟεΫɿ10GB %PN ϋʔυΣΞ %PN6 &MBTUJDTFBSDIΛ฿ %PN6 .Z42-Λ฿ . . . . -
ϕϯνϚʔΫ֓ཁ ࢦඪ ฏۉಡΈࠐΈʢύϑΥʔϚϯεʣ ॠؒಡΈࠐΈͷ࠷খʢ҆ఆੑʣ ϕϯνϚʔΫπʔϧ .Z42-Λ฿ͨ͠%PN6 (#ͷϝϞϦΛಡΉ
&MBTUJDTFBSDIΛ฿ͨ͠%PN6 (#ͷσΟεΫྖҬΛಡΉ -
ઃఆ֓ཁਤ ϋʔυΣΞ 9FOϋΠύʔόΠβ %PN %PN6 .Z42-Λ฿ %PN6 &MTΛ฿ Q$16 Q$16
Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 -
ઃఆ֓ཁਤ ϋʔυΣΞ 9FOϋΠύʔόΠβ %PN %PN6 .Z42-Λ฿ %PN6 &MTΛ฿ Q$16 Q$16
Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 Q$16 -
·ͱΊ • ElasticsearchͷΑ͏ͳϗετ͕ಉډͯ͠Δ߹ʹੑೳԼൃੜͯͦ͠͏ • ಛʹɼI/O͕େ͖͍ϗετͷӨڹେ͖͍ʢDom0͝ͱࢮΜͩΓ͢Δʣ • ϝϞϦͷ߹ੑೳྼԽ͋Δ͚ͲࢮΜͩΓ͠ͳ͍ • ElasticsearchͷΑ͏ͳI/O͕େ͖͍ϗετಉډͤ͞ͳ͍ͷ͕҆શͦ͏ •
جຊΦʔόʔίϛοτ͍͕ͤͨ͞ɼ͕ඞཁ • େن͚Ͱͳ͍I/O͕ଟ͍αʔόͳͲࡌͤΔ߹ʹDom0ʹweightΛઃఆ • େن͚ʹcreditΛɼόονͳͲͷখنDomUΛେྔʹ٧ΊࠐΉࡍʹ credit2Λબ͢Δͱྑ͍͔ • CPU PoolΛ͚ͨࡍʹޮՌ͋ͬͨ ͨͩɼઃఆʹ͔͔Δίετ͕ߴ͍ͷͰϐϯϙΠϯτͰઃఆ͢Δͱ͔ʹͳΓͦ͏