AW: [Zope] Re : Zope on solaris for the beginner.

Mon, 4 Feb 2002 15:33:31 +0100

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Hi

What changes did you make or where did you get them from? I'm a Zope =
user
and don't know the internals. So I'd be very grateful for some help. If =
you
could ellaborate on those 2-3 lines you apparently changed...

I'll check on my situation with -D and try your startup option! I'll =
post my
results.

-- And for those following the "threading and prformance" track. I've =
tried
if ProxyPass or Rewrite make any difference in threading behaviour - =
they
dont!

Mit freundlichen Gr=FC=DFen / Best regards

Oliver Erlewein

> -----Urspr=FCngliche Nachricht-----
> Von: Hannu Krosing [mailto:hannu@krosing.net]
> Gesendet am: Freitag, 1. Februar 2002 20:37
> An: Dario Lopez-Kasten
> Cc: zope@zope.org
> Betreff: Re: [Zope] Re : Zope on solaris for the beginner.
>=20
> On Fri, 2002-02-01 at 19:22, Dario Lopez-Kasten wrote:
> > >
> > >    Why? Even Python 1.5.2 with multithreading works for=20
> me on Solaris
> > > 2.5.1.
> > >
> > > Oleg.
> > > --
> > >      Oleg Broytmann            http://phd.pp.ru/         =20
>   phd@phd.pp.ru
> >=20
> >=20
> > There are strange, core-dumping problems and threadrealted=20
> issues with
> > pythons post 1.5.2 afaik, both performace wise and otherwise.
> >=20
> > Check the archives of zope and zope-dev. I myself generated=20
> a lot of the
> > messages. And, recently (this or last week) there have been=20
> more reports of
> > Solaris related problems...
> >=20
> > It seems that Zope is more susceptible to these problems=20
> than other python
> > software. I don't really know why but I suspect that Zope=20
> is one of there
> > larger python apps out there and thus suffers more than=20
> other apps from
> > shortcomings.
> >=20
> > I haven't heard of realted problems from the Twisted=20
> copmmunity, but then I
> > suspect that not too many of them use solaris on a daily=20
> basis (this is only
> > an assumption mind you, I might very well be wrong).
>=20
> The main problem I had was about asyncore getting signals from =
exiting
> childs of os.popen, as solaris delivered these to the first waiting
> thread and not the thread that had spawned the child.
>=20
> It had a simple 2 or 3 line fix.
>=20
> I also have some problems with database (oracle) transactions never
> committing/aborting but I have these on linux/postgresql as well, so
> this is not solaris specific.
>=20
> ----------------
> Hannu
>=20
> _______________________________________________
> Zope maillist  -  Zope@zope.org
> http://lists.zope.org/mailman/listinfo/zope
> **   No cross posts or HTML encoding!  **
> (Related lists -=20
>  http://lists.zope.org/mailman/listinfo/zope-announce
>  http://lists.zope.org/mailman/listinfo/zope-dev )
>

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<P><FONT SIZE=3D2>Hi</FONT>
</P>

What changes did you make or where did you get them =
from? I'm a Zope user and don't know the internals. So I'd be very =
grateful for some help. If you could ellaborate on those 2-3 lines you =
apparently changed...

I'll check on my situation with -D and try your =
startup option! I'll post my results.

-- And for those following the &quot;threading and =
prformance&quot; track. I've tried if ProxyPass or Rewrite make any =
difference in threading behaviour - they dont!

<P><FONT SIZE=3D2>Mit freundlichen Gr=FC=DFen / Best regards</FONT>
</P>

<P><FONT SIZE=3D2>Oliver Erlewein</FONT>
</P>
<BR>

&gt; -----Urspr=FCngliche Nachricht-----
 &gt; Von: Hannu Krosing [<A =
HREF=3D"mailto:hannu@krosing.net">mailto:hannu@krosing.net</A>]
 &gt; Gesendet am: Freitag, 1. Februar 2002 =
20:37
 &gt; An: Dario Lopez-Kasten
 &gt; Cc: zope@zope.org
 &gt; Betreff: Re: [Zope] Re : Zope on solaris for =
the beginner.
 &gt; 
 &gt; On Fri, 2002-02-01 at 19:22, Dario Lopez-Kasten =
wrote:
 &gt; &gt; &gt;
 &gt; &gt; &gt;&nbsp;&nbsp;&nbsp; Why? Even Python =
1.5.2 with multithreading works for 
 &gt; me on Solaris
 &gt; &gt; &gt; 2.5.1.
 &gt; &gt; &gt;
 &gt; &gt; &gt; Oleg.
 &gt; &gt; &gt; --
 &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Oleg =
Broytmann&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; <A HREF=3D"http://phd.pp.ru/" =
TARGET=3D"_blank">http://phd.pp.ru/</A>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp; 
 &gt;&nbsp;&nbsp; phd@phd.pp.ru
 &gt; &gt; 
 &gt; &gt; 
 &gt; &gt; There are strange, core-dumping problems =
and threadrealted 
 &gt; issues with
 &gt; &gt; pythons post 1.5.2 afaik, both performace =
wise and otherwise.
 &gt; &gt; 
 &gt; &gt; Check the archives of zope and zope-dev. I =
myself generated 
 &gt; a lot of the
 &gt; &gt; messages. And, recently (this or last =
week) there have been 
 &gt; more reports of
 &gt; &gt; Solaris related problems...
 &gt; &gt; 
 &gt; &gt; It seems that Zope is more susceptible to =
these problems 
 &gt; than other python
 &gt; &gt; software. I don't really know why but I =
suspect that Zope 
 &gt; is one of there
 &gt; &gt; larger python apps out there and thus =
suffers more than 
 &gt; other apps from
 &gt; &gt; shortcomings.
 &gt; &gt; 
 &gt; &gt; I haven't heard of realted problems from =
the Twisted 
 &gt; copmmunity, but then I
 &gt; &gt; suspect that not too many of them use =
solaris on a daily 
 &gt; basis (this is only
 &gt; &gt; an assumption mind you, I might very well =
be wrong).
 &gt; 
 &gt; The main problem I had was about asyncore =
getting signals from exiting
 &gt; childs of os.popen, as solaris delivered these =
to the first waiting
 &gt; thread and not the thread that had spawned the =
child.
 &gt; 
 &gt; It had a simple 2 or 3 line fix.
 &gt; 
 &gt; I also have some problems with database =
(oracle) transactions never
 &gt; committing/aborting but I have these on =
linux/postgresql as well, so
 &gt; this is not solaris specific.
 &gt; 
 &gt; ----------------
 &gt; Hannu
 &gt; 
 &gt; =
_______________________________________________
 &gt; Zope maillist&nbsp; -&nbsp; =
Zope@zope.org
 &gt; <A =
HREF=3D"http://lists.zope.org/mailman/listinfo/zope" =
TARGET=3D"_blank">http://lists.zope.org/mailman/listinfo/zope</A>=

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<BR><FONT SIZE=3D2>&gt;&nbsp; <A =
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