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All Tags » Performance » perfomance   (RSS)
  • Re: Your Requirements for Persistent Collections ?

    I just found this thread, so I thought I would collect here some questions I had previous posted elsewhere relating to collection needs:Re: equest: lazy activation for collectionshttp://developer.db4o.com/forums/post/45692.aspx- about collections needing to load/activate elements on demand, instead of the entire set:- from the fast collections ...
    Posted to db4o User Forum (Forum) by rblaa on January 12, 2008
  • ObjectContainer.set() is expensive?

    ObjectContainer.set() is expensive?I was doing some performance tests for a timesheet application I am writing, and was simulating the addition of thousands of item additions through a web service. Ultimately, the logic of the simulation boils down to:  public class Item { int id; String description; Date date; } ... final int ...
    Posted to db4o User Forum (Forum) by rblaa on January 12, 2008
  • 100% cpu in client-server when database not closed on exit

    Hello,   Sorry for the new thread, but the first one I posted became somewhat unclear. In client-server mode, it seems that CPU is going to 100% on the server thread when some client exits without closing its connection. I think, if this is right, that it is a very annoying problem, as this is something that always could happen ...
    Posted to db4o User Forum (Forum) by ymajoros on September 29, 2007