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Thread: Have you done your vacuuming lately?

  1. #1
    Senior Member registered user
    Join Date
    May 2006
    Location
    Columbia, Maryland USA
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    1,631

    Have you done your vacuuming lately?

    If your browser uses a script-blocker, you may note a file named
    'urlclassifier3.sqlite' in /home/knoppix/.mozilla/firefox/knoppix/

    This file starts out at ~20mb and grows significantly over time. This growth
    is unnecessary to the operation of the script-blocker, and can be rolled -back
    by a compaction process referred-to as 'vacuuming'.

    The easiest and most preferable way to achieve this is to add an SQLite Manager
    to your browser and occasionally just perform a compaction of the urlclassifier,
    using the convenient SQLite Manager gui.

  2. #2
    Senior Member registered user
    Join Date
    Feb 2010
    Posts
    198
    I am afraid vacuuming won't help even one bit in the size of this file Utu. urlclassifier3.sqlite is used by the browser to store malicious web sites containing phishing attacks and malware. If you don't want this file to grow you have to turn off the browser protection against phishing and other forgeries, then delete this file - it will be recreated with a size about 30k and will not grow anymore, but you will not be protected against phishing. There is solution for this though. You can subscribe with opendns.com and use there dns servers. THey give you a great deal of control over what you can and what you can not view in your browser and protection against those kind of sites is activated by default with opendns. They simply will not allow you to open site containing phishing when using their DNS servers. The protection is much better using opendns then urlclassifier3.sqlite.
    I did not mention. To turn off phishing protection in browser you have to uncheck in Edit>Preferences>Security the 2 options.
    Block reported attack sites
    Block reported web forgeries
    This will stop the browser from downloading the database with all forged sites and prevent urlclassifier3.sqlite from growing sky high. But then you will have to change your DNS servers to opendns.
    Vacuuming does nothing else then simply defragmenting - your history database for faster access and fewer errors. It's good if you have a huge history file. There is a very good addon called Vacuum Places Improved, which an automatically vacuum your history after a specified number of browser starts.
    Hope this is helpful
    Last edited by mecho; 07-10-2010 at 07:31 PM.

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