Performante Web-Apps [de]

... mit Varnish & Co - getITtogether Feb. 2014 Berlin - 15min Talk; gekürzte Online Version.

Transcript

1. Performante Web Apps
   mit Varnish & Co.
   Christoph Lühr / @chluehr
   getITtogether - Berlin 2014
   

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2. Christoph Lühr
   Head of Development
   

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3. basilicom
   SEIT
   2000
   

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4. Image source: http://www.flickr.com/photos/ethanlindsey/321225525/ CC BY 2.0
   

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5. DEV
   

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7. (#)
   Internet
   

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9. Unicode Character 'HAPPY PERSON RAISING ONE HAND' (U+1F64B)
   

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10. 1 2 3
    

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11. Performante
    Web-Apps
    

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12. statisch dynamisch
    

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13. Performance
    ➊ ➋ ➌
    

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14. ➊
    

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15. Transfer-Rate
    

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16. Transfer-Rate
    

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17. ➋
    

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18. Latenz
    

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19. RENDER
    C NETWORK
    D
    

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20. ➌
    

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21. X
    

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22. X
    

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23. x Faktoren
    

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24. CPU
    RAM
    HDD
    NETZ
    

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25. CPU
    RAM
    HDD
    NETZ
    

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26. t
    

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27. t
    

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28. CPU
    RAM
    HDD
    NETZ
    

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29. R
    A
    M
    

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30. R
    A
    M
    

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31. CPU
    RAM
    HDD
    LAN
    = IO
    

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32. IO
    

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33. IO
    

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34. RAM
    SSD
    WAN
    HDD
    LAN
    0.05 μs
    5 μs x100 x100
    50 μs x1.000 x10
    5000 μs x100.000 x100
    500000 μs x10.000.000 x100
    

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35. IO
    

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36. CACHE
    

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38. IO Queue + Worker
    

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39. t
    

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40. statisch
    dynamisch
    

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41. statisch
    dynamisch
    

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43. Reverse-
    Proxy
    

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44. Varnish
    

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45. Varnish
    

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46. Varnish
    

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47. Varnish
    

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50. Multiple
    Backends
    

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51. Varnish
    

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52. Varnish
    

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53. Varnish
    

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54. Varnish
    

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55. Varnish
    

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56. Varnish
    

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57. Partielles Caching
    Edge Side Inc.
    

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58. Varnish
    

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59. Varnish
    

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60. FUBAR?
    Nachteile
    

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61. ● Content++ = RAM++
    Hardwareanforderungen
    ● !SSL
    Workaround: Pound Offloader
    ● Purge / Warm-Up
    Management
    ● Konfiguration
    VCL
    

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62. Ratiopharm?
    Alternativen
    

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64. CDN
    Content Delivery Network
    

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65. Fallstudie / Beispiel
    Adventskalender
    

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70. App Größe
    2.6 MB
    

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71. HTTP Requests
    16 Req/App
    

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74. js js
    js js
    js js js
    js
    js js
    js
    js
    

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75. Ladezeit bei >6 Mbit
    1-3 s
    

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77. Transferrate
    ~300 Mbit/s
    

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78. Peak Transfer (max.)
    ( ~4000 Mbit/s )
    

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79. Transfervolumen / Top-H
    ~500 GB
    

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80. HTTP Zugriffe
    260 Req/s
    

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81. System:
    Eine VM.
    (Varnish, Pound, Apache/PHP)
    

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85. CPU
    RAM
    HDD
    NETZ
    CPU
    RAM
    HDD
    NETZ
    CPU
    RAM
    HDD
    NETZ
    

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87. Christoph Lühr
    email: christoph.luehr@basilicom.de
    twitter: @chluehr
    web: http://basilicom.de
    !
    ?
    basilicom
    

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