Re: [Zaptel] Why no port to Windos?

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[Zaptel] Why no port to Windos?
\ Vincent (14 Dec 2007)
. \ Doug (14 Dec 2007)
. . \ thg (14 Dec 2007)
. . \ Philip Prindeville (14 Dec 2007)
. . \ Lee Jenkins (14 Dec 2007)
. \ Tilghman Lesher (14 Dec 2007)
. . \ Philip Prindeville (14 Dec 2007)
. . \ Hans Witvliet (14 Dec 2007)
. \ Vincent (14 Dec 2007)
. . \ thg (14 Dec 2007)
. . \ Paul Hales (14 Dec 2007)
. . . \ Gergo Csibra (14 Dec 2007)
. . . . \ Paul Hales (17 Dec 2007)
. \ Vincent (14 Dec 2007)
. . \ Michael Graves (14 Dec 2007)
. . \ Tzafrir Cohen (14 Dec 2007)
. \ Tzafrir Cohen (14 Dec 2007)
. \ mgraves (14 Dec 2007)
. . \ Vincent (14 Dec 2007)
. . . \ Ron Joffe (14 Dec 2007)
. . . \ Michael Graves (14 Dec 2007)
. . . \ Vincent (15 Dec 2007)
. . . . \ randulo (15 Dec 2007)
. . . . . \ Michael Graves (15 Dec 2007)
. . . . . . \ Paul Hales (17 Dec 2007)
. . . . . . \ randulo (17 Dec 2007)
. . . . . . . \ Michael Graves (17 Dec 2007)
. . . . \ Steve Thomas (15 Dec 2007)
. . . . . \ Time Bandit (15 Dec 2007)
. \ Vincent (14 Dec 2007)
. . \ Philipp Kempgen (14 Dec 2007)
. . \ Hans Witvliet (14 Dec 2007)
. . \ Lee Jenkins (25 Dec 2007)
. . . \ Philip Prindeville (27 Dec 2007)
. \ Vincent (14 Dec 2007)
. . \ Matt Riddell (24 Dec 2007)
. \ Dovid B (15 Dec 2007)
. . \ Philipp Kempgen (15 Dec 2007)
. \ Vincent (25 Dec 2007)

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Subject:	Re: [Zaptel] Why no port to Windos?
Group:	Asterisk-users
From:	Philip Prindeville
Date:	27 Dec 2007

Lee Jenkins wrote:
> Vincent wrote:
>
>> On Fri, 14 Dec 2007 10:51:10 -0500, Lee Jenkins <lee>
>> wrote:
>>
>>> I have to reboot my desktop xp box daily for it to run well.
>>>
>> I haven't rebooted my XPSP2 in months, and I let it run 24/7, with a
>> bunch of apps open at all times. And this is a 300E no-name box.
>>
>> If your PC is so unstable, you should investigate the hardware and/or
>> the device drivers.
>>
>>
>>
>
> Maybe. Its not that its unstable, the system just becomes progressively slower
> and less responsive if I don't reboot once in a while. I also run scandisk and
> defrag weekly. Of course, it may have just as much do with the type of apps
> that I have open and running all the time as well.
>
> As I said, I like Windows, but I don't see a Server 2000 box out performing a
> comparable linux box for larger pbx systems. A small office, sure.
>
> I wonder if the linux box was also running Gnome or some other desktop at the
> same time, would that make it a closer comparison? Maybe Windows would
> outperform the linux box then?
>
>

Part of the difference in stability in Linux vs. Windows from what I can
tell has to do with the extensive use of threads in Windows. Threads
basically live for ever, and in a shared address space/container.

Processes also mean that there's an upper bound on how long any sort of
memory leaks can persist. Versus just spawning a process, having it
work, then exit (and free up all resources with no leaks and no residual
fragmentation of the heap)

Here's a suggestion: try getting into your registry, find the services
that seem to be resource hogs, and try splitting them out into their own
instances of svchost.exe. For the non-essential services (which are
most), you can restart them periodically and that will clean things up a
bit.

I'm not an expert, but there are resources out there on the web about
how to repackage a server for increased stability.

Gnome versus the Windows desktop isn't a useful comparison either. The
desktop is run cooperatively by all processes, and unstable process can
pretty much trash the internal state of the desktop for everyone. Not
so with X Windows. You can be greedy and use up all of the resources
(backing store, graphics contexts, etc) but since most useful stuff is
associated with a window or group of windows, and windows are owned by a
process... if that process exists, its windows (and their associated
resources) usually get cleaned up. Again, no persistent damage done by
a process gone amuck. Very different from the threaded/shared memory
architecture of Windows.

It's potentially much more efficient (emphasis on potentially)... but
it's also a lot more vulnerable to misbehaving applications.

-Philip

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