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  • Tom 50 posts 100 karma points
    Sep 15, 2009 @ 12:00

    Large /data/_systemUmbracoIndexDontDelete folder more than 7,5GB

    Umbraco Version
    12.000 articles/nodes.
    ASP.NET 2.0
    Windows 2003 IIS 6

    Our _systemUmbracoIndexDontDelete folder is about 7,5gb and still growing, is this normal that this folder is that large?

  • Douglas Robar 3569 posts 4669 karma points MVP 6x admin c-trib
    Sep 15, 2009 @ 14:34
    Douglas Robar

    No, sounds too big, though it depends on the amount of information indexed.  Here's what you can do...

    Delete the FILES in the _systemUmbracoIndexDontDelete folder (but leave the folder). Then go to /umbraco/reindex.aspx and click the refresh link a few times to get the reindexing going and to satisfy yourself it is moving along. Reindexing takes a very long time. You can continue to work on the site normally while it reindexes.


  • Tom 50 posts 100 karma points
    Sep 16, 2009 @ 12:45

    Hi Doug, thank you for your reply. I just deleted the contents of the _systemUmbracoIndexDontDelet, the folder is now 26mb in size. I will monitor the folder the upcoming day.

    What could be the cause that the folder became this size?

  • Ismail Mayat 4405 posts 9633 karma points MVP 2x admin c-trib
    Sep 16, 2009 @ 15:15
    Ismail Mayat


    For the document types that you have on your install do you have in total alot of properties?



  • Tom 50 posts 100 karma points
    Sep 16, 2009 @ 20:28

    Hi Ismail, for each document type we have around 20 properties and we have 4 major document types that are frequently used in the site.

  • Niels Hartvig 1949 posts 2378 karma points admin hq c-trib
    Sep 16, 2009 @ 21:49
    Niels Hartvig

    The cause would be the Lucene indexer going nuts with Umbraco probably forcing it to some obscure endless loop. The size of the should never exceed a maximum of total nodes*3kb.

    It's always safe to delete the contents of the folder. It's only used for internal searching (the search box in the upper left corner of the admin UI)

  • Tom 50 posts 100 karma points
    Sep 18, 2009 @ 15:50

    Thanks for the replys. The directory stays steady on 27mb so "problem" solved!

  • Dave Woestenborghs 3227 posts 10915 karma points MVP 4x admin c-trib
    Sep 18, 2009 @ 16:20
    Dave Woestenborghs

    If we apply the rule Niels posted here it means your site has 9000+ nodes. Just curious how your performance is.

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