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Varnish, the high performance valhalla?
 

Varnish, the high performance valhalla?

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When high performance on a web application is a hard requirement Varnish can be of rescue. But does it’s name, the high-performance HTTP accelerator, really bring what you expect? What are the ...

When high performance on a web application is a hard requirement Varnish can be of rescue. But does it’s name, the high-performance HTTP accelerator, really bring what you expect? What are the caveats, pitfalls and problems you introduce when developing your application when the released version is only able to run when there is a Varnish in front? This session will give you some answers, tips and tricks to aid in application design, development with PHP and solutions when there is no Varnish in front of your application.

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  • NEXT INTERNALS!
  • What you see are almost every subroutine varnish has in processing a requestSIMPLIFIED SCHEMA OF INTERNALS VARNISHSUBROUTINESPOSSIBLE REQUEST FLOWS
  • OPTIMALTHIS IS WHAT YOU WANT FOR 99%INFORMATION IS SERVED FROM ALLOCATED STORAGE
  • TRY TO AVOID THIS AS MUCH AS POSSIBLEVARNISH IS ACTS AS A MESSENGERJUST ANOTHER LAYER WHICH MAKES YOUR APPLICATION SLOWER
  • NEXT VCL SYNTAX
  • Hook into subroutineDirectors are they actively checked?
  • ]
  • NEXT DEMO§
  • I WON’t DISCUSS ANY OTHER TOOLS
  • xslt
  • Could some guess where the includes are?
  • What you see are almost every subroutine varnish has in processing a requestSIMPLIFIED SCHEMA OF INTERNALS VARNISHSUBROUTINESPOSSIBLE REQUEST FLOWS

Varnish, the high performance valhalla? Varnish, the high performance valhalla? Presentation Transcript