Subject | RE: [Firebird-general] Thread priorities |
---|---|
Author | Leyne, Sean |
Post date | 2006-11-06T15:50:35Z |
Hans,
list @ YahooGroups.
Sean
> Inspired by the apparent interest in VAX-VMS in this group, I wasThis question more appropriate to be posted to the Firebird-Architecture
> 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?
list @ YahooGroups.
Sean
>
> Regards, Hans
>
>
>
>
>
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