[Xastir] xastir cpu

[Andreas Junge, N6NU]

What helped me a lot is to filter the data stream and reduce the number od
stations handled. When I draw a circle of 600 miles around me, the number of
stations goes from 20,000 to about 1,500. Low enough to make operations
smooth again. This does not fix the slow down problem, but is a good work
around.

73, Andreas, N6NU

> -----Original Message-----
> From: xastir-bounces at xastir.org [mailto:xastir-bounces at xastir.org]On
> Behalf Of Curt Mills
> Sent: Friday, January 14, 2005 2:25 PM
> To: ke4lkq
> Cc: xastir
> Subject: Re: [Xastir] xastir cpu
>
>
> On Fri, 14 Jan 2005, ke4lkq wrote:
>
> > This second instance of xastir clearly slows down over just an
> hour or 2.  Cpu
> > usage goes up in spurts to over 35% - 85%  as viewed with TOP
> with 30 sec
> > interval. The longer it runs the larger the cpu numbers and the less
> > responsive this instance become in redrawing screen and drop down menus
> > command, the whole nine yards of functionality slow to a crawl.
>
> I think I already provided some data that showed where the problem
> is.  It has to do with the large number of weather alerts we get
> during the storm season.
>
> Sorry that you can't get the profiling working.  With a bit of luck
> you might get that working yet.
>
> I plan to look at this problem soon if someone else doesn't beat me
> to it.
>
>
> > Clearly there are issues with xastir handling the internet data.
>
> No, it's problems with lots of weather alerts.  The algorithm for
> comparing new packets with old weather alerts is inefficient.  Try
> connecting up to a filtered port and skip the weather alerts.  You
> should see few slowdowns that way.
>
> --
> Curt, WE7U.				archer at eskimo dot com
> http://www.eskimo.com/~archer
>   Lotto:  A tax on people who are bad at math. - unknown
> Windows:  Microsoft's tax on computer illiterates. - WE7U.
> The world DOES revolve around me:  I picked the coordinate system!"
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