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Beaula123
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April 3, 2024
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Effect of a /statfileslevel in the Dispatcher cache

  • April 3, 2024
  • 2 replies
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Hi,

 

In my dispatcher configuration the /statfilelevel is not configured. What is the default value if we not configure the /statfileleval and what is the best practice to configure this?

Please suggest.

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Best answer by arunpatidar

Hi @beaula123 

 

The /statfileslevel “0” parameter is set by default, which means that only one stat-file located in the root of the htdocs folder is used.

 

Setting /statfileslevel

You may use the /statfileslevel properties of the dispatcher configuration file to selectively invalidate cached files according to their path. There are some rules for /statfileslevel properties mechanism:

  • The dispatcher creates .stat files in every folder, starting from docroot and up to the level you specify. The level of the docroot folder is 0.
  • When you update a file, the dispatcher finds a folder located at the statfileslevel level and invalidates all files in that folder and all files that lie below within that folder.
  • If the level of the updated file is lower than the statfileslevel, then only the files of the folder containing the updated file are disabled, but the files lying below within this folder remain valid.
  • When updating a file, all files of the corresponding folder and above up to and including the root level will become invalid.

 

Please check 

https://axamit.com/blog/adobe-experience-manager/dispatcher-clear-cache/ 

https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/cache-invalidation-in-aem-dispatcher-exploring-statfileslevel/td-p/617003

 

 

2 replies

Kamal_Kishor
Community Advisor
Kamal_KishorCommunity Advisor
Community Advisor
April 3, 2024

@beaula123 : For the default value, please refer this: https://www.aemrules.com/2020/04/dispactherhacks-statfile.html#:~:text=At%20the%20low%2Dlevel%20dispatcher,or%20the%20cache%20root%20directory.

You can refer this already accepted response for more information on statsfilelevel: https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/what-is-the-best-approach-to-add-statefileslevels-in-dispatcher/m-p/427743

thanks.

 

    arunpatidar
    Community Advisor
    arunpatidarCommunity AdvisorAccepted solution
    Community Advisor
    April 3, 2024

    Hi @beaula123 

     

    The /statfileslevel “0” parameter is set by default, which means that only one stat-file located in the root of the htdocs folder is used.

     

    Setting /statfileslevel

    You may use the /statfileslevel properties of the dispatcher configuration file to selectively invalidate cached files according to their path. There are some rules for /statfileslevel properties mechanism:

    • The dispatcher creates .stat files in every folder, starting from docroot and up to the level you specify. The level of the docroot folder is 0.
    • When you update a file, the dispatcher finds a folder located at the statfileslevel level and invalidates all files in that folder and all files that lie below within that folder.
    • If the level of the updated file is lower than the statfileslevel, then only the files of the folder containing the updated file are disabled, but the files lying below within this folder remain valid.
    • When updating a file, all files of the corresponding folder and above up to and including the root level will become invalid.

     

    Please check 

    https://axamit.com/blog/adobe-experience-manager/dispatcher-clear-cache/ 

    https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/cache-invalidation-in-aem-dispatcher-exploring-statfileslevel/td-p/617003

     

     

    Arun Patidar
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