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YAPC::Asia Hachioji 2016 mid in Shinagawa
2016-07-03
Yusuke Wada a.k.a. yusukebe

Transcript

1. 8FCαʔϏεʹ͓͚Δ

   Ωϟογϡઓུ
   :"1$"TJB)BDIJPKJNJEJO4IJOBHBXB
   
   :VTVLF8BEBBLBZVTVLFCF
   

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2. ࣗݾ঺հ
   w ࿨ా༟հBLBZVTVLFCF
   w ϫσΟοτ୅දऔక໾
   w ΦϞϩΩ$50
   w ٕज़ސ໰Y
   w DPGPVOEFSPGCPLFUF
   w XBEBGNEBOEZGN
   w 1FSM.POHFS
   

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3. ࠷ۙͭͬͯ͘Δ΋ͷ
   

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4. 3VCZPO3BJMT"QQ
   BOE
   J04"QQ
   

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5. ຊτʔΫͷςʔϚ
   

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6. Ωϟογϡ
   

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7. ͱ͸͍ͬͯ΋
   

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8. ௿ϨΠϠʔͷΩϟογϡ
   ͷ࿩͸͠·ͤΜ
   

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9. 7BSOJTIͷ࿩΋͠·ͤΜ
   ͳ͔ͥ͸ޙͰ෼͔Δ
   
   

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10. ౰વ
    

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11. ݱۚͷ࿩͸͠·ͤΜʂ
    

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12. 8FCΞϓϦέʔγϣϯ
    ϨΠϠʔͰѻ͏Ωϟογϡ
    ͷ࿩Λ͠·͢ʂ
    

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13. ΞδΣϯμ
    w Ωϟογϡͷ໨త
    w Ωϟογϡͷجૅ
    w Ωϟογϡύλʔϯ
    w Ωϟογϡ ΦϨΦϨ
    ઓུ
    

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14. Ωϟογϡͷ໨త
    

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15. *0ͷޮ཰Խ
    

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16. *0͕ϘτϧωοΫʹͳΔ݅
    w ྫ%BUF5JNFΛ࢖͏࢖Θͳ͍WTTMPXRVFSZ໰୊
    w *0ͷੑೳʹൺ΂ͯ$16ੑೳͷํ͕ߴ͍৔߹͕ଟ͍
    w σʔλ͸஝ੵ͢Δ͠σʔλྔ͕૿͑Ε͹େن໛΁
    w 3%#.4ʹ͸ෳࡶͳࣄ৘͕͋ΔΑͶ
    w ֎෦΁ͷ8FC"1*ΞΫηε΋*0ͱͯ͠ߟ͑ΒΕΔ
    w ݁Ռ*0ό΢ϯυ͕ϘτϧωοΫʹͳΔ
    

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17. *0ϘτϧωοΫվળ
    w 3%#.4ͷ৔߹͚ͩͲ
    w ΫΤϦνϡʔχϯά
    w ςʔϒϧઃܭͷݟ௚͠
    w ҙਤతͳඇਖ਼نԽ
    w தؒςʔϒϧͷ༻ҙͳͲ
    w αʔόͷεϖοΫΞοϓ
    #65
    

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18. Ͳʔ͠ΐ΋ͳ͍࣌

    ΊΜͲ͍࣌͋͘͞ΔΑͶʙ
    %#ʹ͸ຊ࣭తͳσʔλͷΈೖΕ͍ͨ
    ͔ͭύϑΥʔϚϯεΛग़͍ͨ͠
    

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19. ΩϟογϡͰ*0Λޮ཰Խʂ
    

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20. ஫ҙ
    

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21. ޙड़͢ΔΑ͏ʹΩϟογϡʹΑΔ

    ղܾ͸ສೳ͡Όͳ͘໰୊΋͋Δ
    

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22. Ωϟογϡͷجຊ
    

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23. DBDIF
    ந৅Խ͞ΕͨΩϟογϡετΞ
    

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24. ,74ΠϯλʔϑΣʔε
    ࠷௿ݶͷ
    

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25. DBDIFTFU LFZ WBMVF
    
    NZWDBDIFHFU LFZ
    
    QSJOUWWBMVF
    DBDIFEFMFUF LFZ
    
    DBDIFHFU LFZ
    VOEFG
    HFUTFUEFMFUF
    

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26. DBDIF͸े෼ʹ଎͍ҽӒҶనᝢ
    w ΩϟογϡετΞͷ୅දྫ
    w NFNDBDIFE
    w 3FEJT
    w ΞϓϦέʔγϣϯϝϞϦ
    w ϑΝΠϧFUD
    w ,74ΠϯλʔϑΣʔεΛར༻͠*0Λޮ཰Խ͢Δ
    w ࠓճ͸ओʹNFNDBDIFEΛ૝ఆͯ͠࿩͠·͢
    

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27. FYQJSF
    

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28. DBDIFTFU LFZ WBMVF
    
    
    

    NZWDBDIFHFU LFZ
    
    σʔλΛอ࣋͢Δ༗ޮظݶΛ
    ࢦఆग़དྷΔ
    

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29. Ωϟογϡύλʔϯ
    

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30. ύλʔϯ
    

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31. &YQJSFΛ࢖ͬͨ
    యܕతͳύλʔϯ
    

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32. ֎෦)551ϦΫΤετͷ
    ݁ՌΛҰఆ࣌ؒΩϟογϡͤ͞Δ
    

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33. TVCHFU@OFXT@FOUSJFT\
    NZTFMGTIJGU
    NZFOUSJFTTFMGDBDIFHFU LFZ
    
    SFUVSOFOUSJFTJGFOUSJFT
    FOUSJFTTFMGGFUDI@OFXT@FOUSJFT
    
    TFMGDBDIFTFU LFZ FOUSJFT
    
    SFUVSOFOUSJFT
    ^
    LFZʹWBMVF͕ଘࡏ͢Δ͔HFUͰ֬ೝ͢Δ
    WBMVF͕ଘࡏͨ͠Βͦͷ··ฦ͢
    ଘࡏ͠ͳ͍৔߹)551ϦΫΤετΛ૸ΒͤίϯςϯπΛੜ੒
    FYQJSFΛࢦఆͯ͠LFZͰίϯςϯπΛTFU͢Δ
    ίϯςϯπΛฦ٫͢Δ
    

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34. ϦεΫ
    

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35. FYQJSF ඵ࣌ؒͷؒʹ
    ֎෦Ͱίϯςϯπ͕ߋ৽͞Εͯ΋
    ΞϓϦ্Ͱ͸൓ө͕͞Εͳ͍
    
    ҙਤతͳΩϟογϡͷߋ৽΍
    ࡟আ͕ඞཁʹͳͬͯ͘Δ
    

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36. Ωϟογϡͷ
    ίϯτϩʔϧ͸೉͍͠
    

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37. Ωϟογϡͷপ΁Α͏ͦ̇͜
    

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38. ͱ͜ΖͰ
    

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39. 3%#.4΁ͷ໰͍߹Θͤͷ৔߹΋
    ಉ͡Α͏ʹΩϟογϡग़དྷΔ
    ͨͩ͠ෳ਺ͷΫΤϦΛΩϟο
    γϡ͢Δ৔߹LFZͷ؅ཧੜ
    ੒͕൥ࡶʹͳΔ͕࣌͋Δ
    Ή͠Ζউखʹ &YQJSFΛ࢖ͬͨ
    ΩϟογϡΛͯ͠΋Β͍͍ͨ
    

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40. ύλʔϯ
    

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41. Ҿ਺΍ΫΤϦΛ࢖ͬͨLFZੜ
    ੒ʹΑΔಁաతΩϟογϡ
    ύλʔϯ
    

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42. ྫ͑͹
    

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43. %#*Y$MBTT$VSTPS$BDIFE
    ͷ৔߹
    

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45. TVC@CVJME@DBDIF@LFZ\
    NZ DMBTT TUPSBHF BSHT BUUST
    !@
    NZSFGTUPSBHF@TFMFDU@BSHT@UP@RVFSZ
    !\BSHT^<> BUUST
    
    
    NZDPOO
    
    SFUVSO%JHFTU4)"TIB@IFY
    4UPSBCMFOGSFF[F
    <SFG DPOO\/BNF^ DPOO\6TFSOBNF^]]>
    
    
    
    ^
    ౎౓ͷΫΤϦ΍ίωΫγϣϯ৘ใͳͲΛ

    ϋογϡؔ਺΁௨ͯ͠จࣈྻԽͨ͠΋ͷΛLFZͱ͍ͯ͠Δ
    

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46. LFZͷੜ੒Λࣗಈతʹߦ͍
    ͍ͭͷؒʹ͔&YQJSFϕʔεͷ
    ΩϟογϡΛ͢Δ
    ಁաΩϟογϡͷύλʔϯ
    

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47. TFMGECTFBSDI FOUSZ
    \VTFS@JE^
    \PSEFS@CZJE FYQJSF^
    
    
    Ԡ༻͢Ε͹൒ಁաతΩϟογϡػߏ͕࡞ΕΔ
    FYQJSFͱ͍͏໊લͷϋογϡ஋Λઃఆ͢Δͱࣗಈతʹ
    ͦͷ͚࣌ؒͩΩϟογϡ͓͍ͯͯ͘͠ΕΔͱ͔
    ͨͩ͠%#ଆͷߋ৽ͷ൓ө͸FYQJSFͨ͠ޙʹ͞ΕΔΑʂ
    

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48. ύλʔϯ
    

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49. ͳΔ΂͘खલͰΩϟογϡͯ͠
    ޮ཰Λ্͛Δύλʔϯ
    

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50. ϑϩϯτʹ͍ۙͱ͜ΖͰΩϟογϡ
    ͯ͋͛͠Δͱޮ཰͸Α͍
    3FRVFTU
    3FTQPOTF
    %#
    "QQMJDBUJPO8FC4FSWFS
    ΑΓ*0ޮ཰Λ্͛ΒΕΔ
    

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51. ྫ͑͹
    

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52. JTVDPOҴ㉮ӝԩդՈ㮢॰న⒌஗Ĕ✵㮣
    IUUQEIBUFOBOFKQIJEFEFO
    

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53. )5.-ࣄલੜ੒44*
    w αΠυόʔʹʮ࠷ۙͷίϝϯτҰཡʯΛදࣔ
    w ϙετ࣌ʹ)5.-ΛϨϯμϦϯάͯ͠)5.-ࣗମΛ
    Ωϟογϡɺදࣔ࣌ʹऔಘͦ͠ͷ··)5.-දࣔ
    w ϖʔδશମΛΩϟογϡ͢ΔͱશϖʔδͷΩϟογϡ
    Λഁغ͠ͳͯ͘͸͍͚ͳ͍ͷͰ
    w ίϝϯτදࣔ෦෼͚ͩΩϟογϡ͠44*ͰύʔπΛ
    ݺͼग़͢
    JODMVEFWJSUVBMSFDFOU@DPNNFOUFE@BSUJDMFT
    

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54. ϑϩϯτدΓͷ
    Ωϟογϡ͸มߋʹऑ͍
    w ςϯϓϨʔτͷߏ଄Λม͑ͨ࣌
    w ։ൃ͕සൟʹى͜Δ৔߹ʹ࢖͍ʹ͍͘
    w ͦͯ͠࠶ར༻ੑʹ΋๡͍͠
    

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55. ύλʔϯ͔ΒݟΔ
    ΩϟογϡͷϙΠϯτ
    

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56. Ωϟογϡ͸ॾਕͷ݋
    w DBDIF΁ͷ,74ΠϯλʔϑΣʔε͸े෼ʹ଎͍
    w Ωϟογϡͷߋ৽ʹ͸ؾΛ࢖Θͳͯ͘͸͍͚ͳ͍
    w FYQJSF·Ͱͷظ͕ؒ࢓্༷ແ೉Ͱ͋Δ
    w ҙਤతʹΩϟογϡΛEFMFUF͢Δ
    w LFZͷ໊෇͚Λ໌ࣔతʹ΍Δ͔ಁաతʹߦ͏͔ʁ
    w ͳΔ΂͘ϑϩϯτدΓͰΩϟογϡͤͨ͞ํ͕ߴ଎
    w ͱ͸͍͑ΞϓϦέʔγϣϯͷมߋʹऑ͍
    

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57. ΦϨΦϨ
    Ωϟογϡઓུ
    

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58. #PLFUFαʔόΞϓϦͷ৔߹
    

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59. #PLFUFεϖοΫ
    w ೥݄ϩʔϯν
    w ΋͏͙͢ສ%- J04
    "OESPJE
    
    w Ϙέ ສ݅
    w ͓୊ສ݅
    w ධՁԯ݅
    w ϐʔΫ࣌SFRTTFD
    

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60. σʔλετΞͱΩϟογϡͷ
    جຊઓུ
    

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61. 044ޓ׵ͷϛυϧ΢ΣΞΛ࢖͏
    w "NB[PO8FC4FSWJDFT্ʹΠϯϑϥΛߏங
    w ͨͩ͠044ޓ׵ͷ*'Λ࣋ͭϛυϧ΢ΣΞͷΈ࢖༻
    w "NB[PO3%4"VSPSB
    w NFNDBDIFE &MBTUJ$BDIF
    
    w 3FEJT &MBTUJ$BDIF
    
    w &MBTUJDTFBSDI &MBTUJDTFBSDI4FSWJDF
    
    w खݩͰͷ࠶ݱੑΛߴΊΔͨΊ
    

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62. +PJOΛͳΔ΂͘͠ͳ͍
    w ෆมͳΦϒδΣΫτ͕ଟ͍ͷͰ+PJO͢Δίετ͕ແବ
    w ޙड़
    w ΞϓϦέʔγϣϯʹΑΔ
    w 03.BQQFSϨϕϧͰ+PJO͠ʹ͘͘͢Δ
    w ҙਤతͳඇਖ਼نԽΛؚΊΔ%#ઃܭ
    

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63. ෆมͳϞϊ͸Ωϟογϡ͢Δ
    w มԽͷগͳ͍ΦϒδΣΫτ͸࠷ॳͷࢀরޙΩϟογϡ
    w ҎޙͷͦͷΩϟογϡΦϒδΣΫτΛ࢖͍ճ͢
    w ਺গͳ͍ߋ৽࣌ʹΩϟογϡΛഁغ͢Δ
    CPLF PEBJ QIPUP
    VQEBUF͕ແ͍
    ͨ·ʹEFMFUF͕૸Δ
    

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64. Ωϟογϡͷཻ౓
    w ԿΛΩϟογϡ͢Δ͔ʁ໰୊
    w ཻ౓͕খ͍͞Ωϟογϡର৅3PX୯ମ
    w ཻ౓͕େ͖͍Ωϟογϡର৅ϥϯΩϯάͳͲҰཡ
    

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65. 3PXͷࢀর࣌͸ϋογϡͰѻ͏
    w 3PXΦϒδΣΫτ͡Όͳͯ͘ϋογϡͰѻ͏
    w ͦ΋ͦ΋8FC"1*͔ͩΒ+40/Ͱฦ͢͠
    w ϋογϡͩͱΩϟογϡ͠΍͍͢
    w ͨͩ3PXΦϒδΣΫτΛϑΣον͔ͯ͠Βϋο
    γϡԽ͍ͯ͠Δ
    w 3PXຖʹJOqBUFϧʔϧΛΦϒδΣΫτʹҠৡ
    

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66. όονΑΓ΋ࢀর৘ใΛΩϟογϡ
    w ෳࡶͳόονॲཧΛݮΒ͢ํ਑
    w ؂ࢹ͕͠ʹ͍͘ʢָͯ͠؂ࢹ͍ͨ͠ʣ
    w ෳ਺ΧςΰϦʹ·͕ͨΔϥϯΩϯάΛදࣔ
    w ଟ਺ͷՕॴͷϥϯΩϯάΛόονͰੜ੒͸ආ͚ͨ
    ͍ʢΊΜͲ͍͘͞ʣ
    ίϯςϯπΛ༧Ί༻ҙ͢ΔͷͰ͸ͳ͘
    ඞཁͱ͞Εͨ࣌ʹΩϟογϡ͓ͯ͘͠
    

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67. ࣮૷
    

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68. ΦϒδΣΫτϕʔεͷ
    ಁաΩϟογϡ
    

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69. CPLF\PEBJ^\QIPUP^\MBSHF@VSM^
    ϦϨʔγϣϯઌͷΦϒδΣΫτ
    ΩϟογϡΛ࣮ݱ͢Δ
    Ωϟογϡ͔Βऔಘ
    

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70. #PLFUF%#
    QBDLBHF#PLFUF%#
    VTFQBSFOU5FOH
    
    TVCGJOE@XJUI@DBDIF\
    NZ TFMG UBCMF XIFSF FYQJSF
    !@
    NZLFZTFMGNBLF@LFZ UBCMF XIFSF GJOE
    
    NZEBUBTFMGDBDIFHFU LFZ
    
    SFUVSOEBUBJGEBUB
    NZPCKFDUTFMGTJOHMF UBCMF XIFSF
    
    PSSFUVSO
    EBUBPCKFDUJOGMBUF@DPMVNOT
    
    TFMGDBDIFTFU LFZ EBUB FYQJSF
    
    SFUVSOEBUB
    ^
    TVCEFMFUF@DBDIF\
    ൒ಁաΩϟογϡ
    ΠϯλʔϑΣʔεΛੜ΍͢
    

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71. #PLFUF%#3PX#PLF
    QBDLBHF#PLFUF%#3PX#PLF
    
    TVCJOGMBUF@DPMVNOT\
    NZTFMGTIJGU
    NZEBUBTFMGDPMVNOT
    
    EBUB\PEBJ^
    TFMGIBOEMFGJOE@XJUI@DBDIF
    PEBJ \JEEBUB\PEBJ@JE^^
    
    
    
    SFUVSOEBUB
    ^
    औಘ࣌ʹϦϨʔγϣϯઌͷ
    ΦϒδΣΫτΛΩϟογϡ͢Δ
    

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72. ԾʹϦϨʔγϣϯઌͷPEBJQIPUP
    ͕Ωϟογϡ͞Ε͍ͯΔCPLFҰཡΛ
    औͬͯ͘Δ৔߹
    4&-&$5จҰൃͷΈͰϦϨʔγϣϯઌ
    ͷΦϒδΣΫτ΋औͬͯ͜ΕΔʂ
    

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73. !CPLFTTFMGECTFBSDI CPLF \^ \PSEFS@CZ
    \JEBTD MJNJU^^
    
    CPLFT<>\PEBJ^\QIPUP^\MBSHF@VSM^
    .Z42-4&-&5$5'30.CPLF03%&3#:JE"4$-*.*5
    NFNDBDIFEHFUPEBJBCDEFG
    NFNDBDIFEHFUQIPUPBCDEFG
    NFNDBDIFEHFUPEBJBCDEFGH
    NFNDBDIFEHFUQIPUPBCDEFGH
    
    NFNDBDIFE͔ΒͷHFUͳͷͰे෼ʹ଎͍
    3%#.4΁ͷෛՙ͸ΫΤϦҰൃͷΈ
    

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74. Ωϟογϡͷഁغ
    w ΦϒδΣΫτͷߋ৽΍࡟আ͕૸ͬͨ৔߹ͷΩϟογϡͷΫϦΞ
    w LFZੜ੒࣌ͱಉ͡Α͏ʹ03.BQQFS΁ͷΫΤϦΛॻ͘
    w ճ਺͕ଟ͘ແ͍ͷͰରԠͰ͖ͯΔ
    TFMGECEFMFUF@DBDIF PEBJ \JEPEBJ@JE^
    
    

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75. ϥϯΩϯάͱ͔
    ҰཡͷΩϟογϡ
    

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76. ൒ಁաతΩϟογϡΛ࠾༻
    w ϞσϧʹDPOE BUUSΛҾ਺ͱͯ͠΋Β͏ϝιο
    υΛੜ΍͢ྫHFU@TPSUFE@FOUSJFT
    
    w BUUSͷϋογϡʹFYQJSFͷ஋͕ೖ͍ͬͯΕ͹ͦͷؒ
    ͚ͩΩϟογϡͤ͞ΕΔ
    NZTFMG DPOE BUUS!@
    
    TFMGECTFBSDI CPLF \^ \PSEFS@CZ\SBUF@TVN
    EFTD MJNJU FYQJSFBUUS\FYQJSF^^^
    
    

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77. ΞϓϦέʔγϣϯຖͷ࢓্༷
    Ωϟογϡͯ͠΋Α͚Ε͹
    ׆༻Λʂ
    

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78. ͔͠͠໰୊͕
    

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79. ͦͷ໊΋
    

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80. 5IVOEFSJOH)FSE໰୊
    

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81. ௨ৗɺΩϟογϡʹ֨ೲ͞ΕΔσʔλ͸ɺͦΕͧΕ୯Ұͷ
    ੜଘ࣌ؒΛ΋͍ͬͯ·͢ɻ໰୊͸ɺසൟʹΞΫηε͞ΕΔ
    Ωϟογϡσʔλ͕ΤΫεύΠΞͨ͠ࡍʹൃੜ͠·͢ɻσʔ
    λ͕ΤΫεύΠϠͨ͠ॠ͔ؒΒɺฒߦʹ૸Δෳ਺ͷΞϓϦ
    έʔγϣϯϩδοΫ͕ϛεώοτΛݕ஌͠ɺ͍ͣΕ͔ͷϓ
    ϩηε͕ΩϟογϡσʔλΛ֨ೲ͢Δ·ͰͷؒɺಉҰͷϦ
    ΫΤετ͕ଟ਺ɺόοΫΤϯυʹඈΜͰ͠·͏ͷͰ͢ɻ
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82. ਤղ
    

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83. FYQJSF
    
    े෼ʹ଎͍
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    ͜ͷظؒʹΞΫηε͕ू
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    ଟॏʹ૸Δ
    Cache Thundering Herd Problem
    

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84. ๭%#ͷ$16ෛՙ
    

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85. ٧Ή
    

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86. ٧Ή
    

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87. ٧Ή
    

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88. View Slide

89. ղܾࡦ
    

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90. &BSMZ&YQJSFT$BDIF
    CZLB[FCVSP
    IUUQCMPHOPNBETDBGFKQNFNDBDIFEUIVOEFSJOHIFSEIUNM
    

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91. ࢓૊Έ
    w ௨ৗͷΩϟογϡ&YQJSF͕୹͍Ωϟογϡ
    w ্ه̎ͭΛNFNDBDIFEʹTFU
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    Λݟʹ͍͘
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    w Ωϟογϡͷ༰ྔ͸ഒඞཁ
    

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92. QBDLBHF&BSMZ&YQJSFT$BDIF
    
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    ^
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    \
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    ^
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93. ௨ৗ͸͜ͷରࡦͰ0,ʂ
    

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94. ͨͩ͠
    

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95. ϐʔΫ࣌ʹ͸·ͩߥΕΔ
    ॠఀ͕ى͜Δ
    

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96. ਏ͍
    

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97. ݪҼ
    ίϯςϯπੜ੒͕஗͍
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98. ͦ͜Ͱ
    

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99. -B[Z$BDIF
    ΦϨΦϨ
    
    

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100. ࢓૊Έ
     w ௨ৗͷΩϟογϡ&YQJSF͕௕͍Ωϟογϡ
     w ͦΕʹՃ͑ͯίϯςϯπੜ੒࣌͸ϑϥά
     w ্ه͕ͭNFNDBDIFEʹηοτ͞ΕΔ
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     w ͦͷؒʹίϯςϯπੜ੒ɺͦͷޙΩϟογϡΛTFUɺϑ
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101. ௨ৗΩϟογϡ͕͋Δίϯςϯπੜ੒ͯ͠ͳ͍
     ௨ৗΩϟογϡΛฦ٫
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     ϑϥάΛηοτ
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     ΩϟογϡΛηοτϑϥάΛ࡟আ
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     &YQJSF௕ΊͷΩϟογϡΛฦ٫
     

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102. QBDLBHF#PLFUF$BDIF-B[Z$BDIF
     
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     \
     TFMGTFU LFZGMBH
     
     EPUBTL
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     TFMGEFMFUF LFZGMBH
     
     ^
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     ^
     ࢀর࣮૷
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     ௨ৗΩϟογϡ͕ۭͳΒ͹MB[ZDBDIFΛฦ٫
     

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103. ݁Ռ͕Ұ໨ྎવ
     

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104. View Slide

105. ۪௚ʹॻ͍ͨΒ͏·͍ͬͨ͘
     ഉଞॲཧͱ͔ͯ͠ͳ͍͚Ͳ
     

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106. View Slide

107. ͜ͷΑ͏ʹΞϓϦʹΑͬͯ
     Ωϟογϡઓུ͸༷ʑʂ
     

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108. ͦΖͦΖ·ͱΊ
     

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109. Ωϟογϡઓུʹ͍ͭͯ࿩͠·ͨ͠
     w Ωϟογϡͷ໨త΍جຊతͳ࢓૊Έ
     w ൒
     ಁաΩϟογϡͷ࣮૷ͱϦεΫ
     w ΦϨΦϨ
     Ωϟογϡઓུ
     w 5IVOEFSJOH)FSE໰୊ͱͷઓ͍
     ΞϓϦέʔγϣϯʹΑͬͯઓུ͕มΘͬͯ͘Δ
     

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110. օ͞ΜͳΓͷઓུͰ
     ΩϟογϡΛ࢖ͬͯԼ͍͞
     

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