PHPで学ぶCacheの距離の話

Cacheの距離について

Transcript

1. PHPͰֶͿCacheͷڑ཭ͷ࿩
   1)1ษڧձ
   

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2. Cacheͱ͸ʁ
   

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3. Oxford Dictionary ΑΓ
   An auxilirary memory from which high speed retrieval is possible
   ߴ଎Ͱσʔλऔಘ͕Ͱ͖ΔهԱ૷ஔ
   

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4. WebΞϓϦͰͷར༻༻్
   ߴෛՙΫΤϦͷॲཧ݁Ռ
   ूܭॲཧͷ݁Ռ
   ϧʔςΟϯά
   ઃఆϑΝΠϧ
   CDNͱ͔ϒϥ΢βΩϟογϡ͸ɺࠓճ͸ର৅֎
   

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5. ࠓ೔࿩͢͜ͱ
   CacheͷޮՌΛࣄલʹ೺Ѳ͢Δ͜ͱ
   ΑΓߴ͍ޮՌΛಘΔͨΊͷCacheͷڑ཭ͷ࿩
   

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6. ࠓ೔࿩͞ͳ͍͜ͱ
   Cacheͷϛυϧ΢ΣΞ
   Cacheͷӡ༻
   ࢀߟ1 WebαʔϏεʹ͓͚ΔΩϟογϡઓུ
   https://speakerdeck.com/yusukebe/websabisuniokeru-kiyatusiyuzhan-lue
   ࢀߟ2 WebΞϓϦέʔγϣϯͷΩϟογϡઓུͱͦͷύλʔϯ
   https://speakerdeck.com/moznion/pattern-and-strategy-of-web-application-caching
   

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7. CacheͷޮՌΛࣄલʹ೺Ѳ͢Δ
   

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8. CacheΛ࢖͏͜ͱͰԿނ଎͘ͳΔͷ͔ʁ
   

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9. ྫ͑͹͜Μͳߏ੒
   

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10. ಉҰωοτϫʔΫ಺ͷDBͷΫΤϦ݁ՌΛCache
    ΫΤϦ݁ՌΛಘΔ·Ͱͷ࣌ؒ
    5$1઀ଓ $16ԋࢉ %JTL*0
    MySQL
    +
    +
    

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11. 5$1઀ଓ $16ԋࢉ %JTL*0
    MySQL
    +
    +
    ΫΤϦ݁ՌΛಘΔ·Ͱͷ࣌ؒ - RedisʹCache
    5$1઀ଓ .FNPSZ*0
    Redis
    +
    ಉҰωοτϫʔΫ಺ͷDBͷΫΤϦ݁ՌΛCache
    ΫΤϦ݁ՌΛಘΔ·Ͱͷ࣌ؒ
    

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12. $16ԋࢉ %JTL*0
    MySQL
    +
    .FNPSZ*0
    Redis
    MemoryIOͷํ͕଎͚Ε͹ɺ଎౓޲্͕ݟࠐΊͦ͏
    

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13. ϨΠςϯγʔ
    https://gist.github.com/jboner/2841832
    

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14. ͔͠͠ɺ͋·Γ଎͘ͳΒͳ͍ύλʔϯ͕͋Δ
    

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15. DBͷσʔλ͕ϝϞϦʹ৐Δ৔߹
    ΫΤϦ݁ՌΛಘΔ·Ͱͷ࣌ؒ
    5$1઀ଓ ΄΅.FNPSZ*0
    MySQL
    +
    ΫΤϦ݁ՌΛಘΔ·Ͱͷ࣌ؒ - RedisʹCache
    5$1઀ଓ .FNPSZ*0
    Redis
    +
    

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16. DBͷσʔλ͕ϝϞϦʹ৐Δ৔߹
    ΄΅.FNPSZ*0
    MySQL
    .FNPSZ*0
    Redis
    Φʔμʔ͕มΘΔΑ͏ͳ଎౓޲্͸ݟࠐΊͳ͍
    

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17. ͜ΕҎ্ͷ଎౓޲্Λ͢Δʹ͸ʁʁ
    

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18. WebΞϓϦ͔ΒCache·Ͱͷڑ཭Λม͑Δ
    5$1઀ଓ .FNPSZ*0
    ͬͪ͜
    +
    

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19. WebΞϓϦ͔ΒCache·Ͱͷڑ཭Λม͑Δ
    5$1઀ଓ .FNPSZ*0
    ͬͪ͜
    +
    TCP઀ଓΛ΍ΊΔ -> ϩʔΧϧCache
    

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20. https://gist.github.com/jboner/2841832
    ϨΠςϯγʔ
    

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21. PHPͰϩʔΧϧCache
    ϩʔΧϧRedis, Memcached -> ਏ͍
    ϑΝΠϧ -> ͍͍͚Ͳ…
    APCu(ϝϞϦ) -> ྑͦ͞͏
    աڈͷऔΓ૊Έ - ແཧ΍ΓOPCache࢖͏Cache
    https://speakerdeck.com/hanhan1978/cachegasu-ifalsekaque-ren-suruhua
    

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22. PHPͷࣄ৘
    ϓϩηεͷಠཱੑ͕ߴ͍
    ॲཧऴྃޙʹϝϞϦ͸ΫϦΞ͞ΕΔ
    ϓϩηεؒͰͷϝϞϦڞ༗͕ग़དྷͳ͍ɻ
    PHP΢Σϒαʔόʔͷొ৔͕๬·ΕΔ
    

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23. ࣮ଌͯ͠Έͨ
    

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24. Trans/SecͱCacheํ๏
    ํ๏ USBOTTFD
    ϦϞʔτ.Z42-
    ϦϞʔτ3FEJT
    ϩʔΧϧ"1$V
    DBσʔλ͕ϝϞϦʹ৐͍ͬͯΔ৔߹ʹ͍ͭͯݕূ
    

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25. ·ͱΊ
    Latencyͷද͸͓֮͑ͯ͜͏Ͷ
    CacheʹΑΔվળݟࠐΈ͸ࣄલʹཱͯΔ
    ܭࢉྔ͚ͩ͡Όͳ͘ڑ཭΋ߟ͑Δ
    ͳ͓ɺCacheӡ༻͸পͰ͢….
    

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26. ͓͠·͍
    

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