Subject Re: Thread priorities
Author hanszorn2000
--- In Firebird-general@yahoogroups.com, "Leyne, Sean" <Sean@...> wrote:
>
> Hans,
>
> > Inspired by the apparent interest in VAX-VMS in this group, I was
> > thinking of the following.
> > One of the genial concepts of VAX-VMS is the idea of dynamic
> > priorities, implemented in such a way that inactive users/ processes
> > get an increase of priority, whereas active processes are lowered
> > after some seconds of activity. Why is this genial? Because this is
> > what gives users the impression of a fast responding system. Processes
> > that require a little amount of cpu time to complete a users request
> > will then be processed immediately, while procces that take longer
> > will have to wait a little more, which won't be noticed as they take
> > some time anyway.
> >
> > Within Firebird however this principle seems to be reversed, which
> > i.m.h.o. is a bad idea. In the Firebird.conf file I read this:
> >
> > # ----------------------------
> > # Settings for the thread scheduler (Windows Only)
> > #
> > # The wait time, in milli-seconds (ms), before the priority of:
> > # - an inactive thread is reduced to 'Low', or
> > # - an active thread is increased to 'High'
> >
> > So my question is this: hello Firebird guru's, do you have a good
> > explanation for this, or is this the opening to a nice improvement?
>
> This question more appropriate to be posted to the Firebird-Architecture
> list @ YahooGroups.
>
>
> Sean
>
> >
> > Regards, Hans
> >
> >
> >
> >
> >
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> >
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> >
> >
> >
>
Sorry, I did n't know that group existed. I am (and will probably
always be) a newbie at this Yahoo thing. I will do that!

Hans