PHPで学ぶCacheの距離の話

Transcript

1. PHPͰֶͿCacheͷڑ཭ͷ࿩
   1)1ษڧձ
   

2. Cacheͱ͸ʁ

3. Oxford Dictionary ΑΓ An auxilirary memory from which high speed

   retrieval is possible ߴ଎Ͱσʔλऔಘ͕Ͱ͖ΔهԱ૷ஔ

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

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

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

7. CacheͷޮՌΛࣄલʹ೺Ѳ͢Δ

8. CacheΛ࢖͏͜ͱͰԿނ଎͘ͳΔͷ͔ʁ

9. ྫ͑͹͜Μͳߏ੒

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

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

    .FNPSZ*0 Redis + ಉҰωοτϫʔΫ಺ͷDBͷΫΤϦ݁ՌΛCache ΫΤϦ݁ՌΛಘΔ·Ͱͷ࣌ؒ

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

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

14. ͔͠͠ɺ͋·Γ଎͘ͳΒͳ͍ύλʔϯ͕͋Δ

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

    .FNPSZ*0 Redis +

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

17. ͜ΕҎ্ͷ଎౓޲্Λ͢Δʹ͸ʁʁ

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

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

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

21. PHPͰϩʔΧϧCache ϩʔΧϧRedis, Memcached -> ਏ͍ ϑΝΠϧ -> ͍͍͚Ͳ… APCu(ϝϞϦ) ->

    ྑͦ͞͏ աڈͷऔΓ૊Έ - ແཧ΍ΓOPCache࢖͏Cache https://speakerdeck.com/hanhan1978/cachegasu-ifalsekaque-ren-suruhua

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

23. ࣮ଌͯ͠Έͨ

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

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

26. ͓͠·͍