Vacuum Firefox databases for better performance

24 August, 2009 | Cristi | No Comment
Mozilla Links blog has a quick hack for improving Firefox performance by defragmenting its database files executing SQLite VACUUM command
  • Open the Error Console: Tools menu/Error Console
  • In the Code text box paste this (it’s a single line):
    Components.classes["@mozilla.org/browser/nav-history-service;1"].getService(Components.interfaces.nsPIPlacesDatabase).DBConnection.executeSimpleSQL("VACUUM");
  • Press Evaluate. All the UI will freeze for a few seconds while databases are VACUUMed

Vacuuming Firefox databases from the Error Console

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