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  • Thomas Kjær Nielsen 58 posts 88 karma points
    Sep 17, 2010 @ 12:52
    Thomas Kjær Nielsen
    1

    How to view caching statistics

    Hi

    We have a problem with the build in macro caching.

    It is like the memory use keeps building up and up and up when doing a performance test - even thoug we at stress testing the same URL's (around 50) and have set op macro caching around all possible parameters.

    But, when we look at the SQL-connections it is clear that the Umbraco database is being requested all the time anyway.

    I seems very strange, and we can also see that the RAM consumption on the webserver keeps getting bigger and bigger, wich is also strange as I would expect it to level out when all the pages is cached.

    What I would start with, is analyzing the .NET/Umbraco cache with what is actually cached, so we can see if it is the same pages building up more and more cache.

    Any help on Umbraco/.NET performance optimizing is very appreciated!

    BTW. we have build the whole solution around XSLT and .NET extensions.

    /Thomas

     

  • Sebastiaan Janssen 5060 posts 15522 karma points MVP admin hq
    Sep 17, 2010 @ 13:49
    Sebastiaan Janssen
    0

    Argh!! The forum ate my post, XSLT error! :(

    In short then: 

    In the developer section, check the cache browser. Have a look at your xslt ext's to see if they use the database. Media calls in 4.0.x will always hit the database (there's a package for that).

    Also, try to disable all of the macro's and enabling the one by one to see which one is eating the memory.

    Finally: Browsers will still ping the server when you hit the refresh button (but fiddler2 should give a 302 instead of a 200 status), however, they will work with the browser cache if you just hit enter in the address bar. Have a look at your content-expiry setup as well.

  • Morten Bock 1867 posts 2140 karma points MVP 2x admin c-trib
    Sep 17, 2010 @ 14:11
    Morten Bock
    0

    Sebastiaan > Sorry, that might have been my fault. I deleted the double posting.. :-/

  • Thomas Kjær Nielsen 58 posts 88 karma points
    Sep 21, 2010 @ 09:52
    Thomas Kjær Nielsen
    0

    Thanks for the help!

    I would really like to know a bit more about the caching i Umbraco, like how much RAM it is using, but I guess that it's not that simple.

     

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