[Zope] zope_msg.log Message

[Michel Pelletier]

Tony Rossignol wrote:
> 
> Michel Pelletier wrote:
> 
> > The problem with 2) is that no one can reproduce it reliably (this may
> > not be true after I look at something someone sent me today, I'll keep
> > everyone updated) including myself.  I have pounded a half dozen
> > sandboxes with ab for hours and gotten nowhere.  No crashes.  Not a
> > single burp.
> >
> We have very erratic crashes, the only commonality we can find is
> volume.  When requests are low the system is awesome, but once load
> starts increasing we see frequent restarts, once an hour at least.  This
> could be due to people experience slower response times and breaking the
> connection to attempt a reload.  From what someother people have been
> saying a 'broken pipe' error in zope_msg.log may cause all the threads
> to die off.  The problem here is I generated 30-40 'broken pipe' errors
> and could not crash Zope.
> 
> When you run ab against it are you hitting a wide variety of objects or
> the same page over and over. 'm u

I'm using ab to nail one page and wget to pound the whole site,
including the managment interface.

> I've had Zope perform great accessing the
> same page repeatedly but show some strain once you vary it's diet a bit
> especially when cached SQL results are involved.
> 
> What server method are you using on the sandboxes.  We use a combination
> of ZServer and FastCGI connections for our traffic, with all /manage
> going through FastCGI and the actual public traffic using a mix of
> FastCGI & ZServer.

I've been testing strictly ZServer.

> > bash$ strace -f -e trace=none -signal=all python z2.py -D
> >
> I can't get this to work.  When I try it all the messages come on the
> screen like they should, each service that is up etc, but the darn thing
> will not answer requests. 

odd.  Works for me.

> As soon as I run the exact same command w/o
> strace it works.  I've also tried to attach strace directly to the
> already running processes, and no luck.

:/

> As soon as I'm able to collect more info I'll forward it to you.  Is
> there anywhere else I should be posting this information?

The list.  just keep ccing me.

-Michel