Re: [log4perl-devel] log4perl multithread question

[Mike S. <m...@pe...>]

On Wed, 11 Oct 2006, Ford, Andy wrote:

> While we're on the synch subject, I asked this question over at
> PerlMonks (http://perlmonks.org/index.pl?node_id=573779)
> but hey let's ask over here too:
>
> But how do I test the synchronization?
> More specifically, can I reliably generate an overwrite situation that
> the syncronization would fix?

Here's how the Log4perl test suite does it:

    http://search.cpan.org/src/MSCHILLI/Log-Log4perl-1.06/t/042SyncApp.t

-- Mike

Mike Schilli
m...@pe...

>
>
> Andy Ford
> EEMS
> x56647
> and...@ag...
>
>
> > -----Original Message-----
> > From: Mike Schilli [mailto:m...@pe...]
> > Sent: Wednesday, October 11, 2006 1:23 PM
> > To: Judd Taylor
> > Cc: log...@li...
> > Subject: Re: [log4perl-devel] log4perl multithread question
> >
> > On Wed, 11 Oct 2006, Judd Taylor wrote:
> >
> > > I'm thinking about using log4perl as an alternative to my
> > current object
> > > logging system, but I'm not sure how it will handle a
> > situation where I
> > > need to append to a master logfile from several processes
> > at the same
> > > time.
> >
> > Log::Log4perl::Appender::Synchronized to the rescue:
> >
> >     http://log4perl.sourceforge.net/d/Log/Log4perl/FAQ.html#23804
> >
> > -- Mike
> >
> > Mike Schilli
> > m...@pe...
> >
> > > I need to append to this log from several programs, some of
> > which are
> > > multi-threaded (fork) servers, as well as from several of the same
> > > programs at the same time. Avoiding conflicts where
> > messages are lost,
> > > and atomicity are pretty critical. I also want to centralize the
> > > configuration for all clients in one place.
> > >
> > > Is this going to be easy with log4perl? What relevant docs
> > should I be
> > > looking at first?
> > >
> > > I need something like this running pretty shortly, and my only
> > > alternative would be to write a forking Net::Server thing
> > to handle the
> > > incoming requests. Getting something like that reliable
> > will probably
> > > not be a quick thing...
> > >
> > > Thanks,
> > > Judd
> > >
> > >
> > >
> > >
> > > --
> > > ____________________________
> > > Judd Taylor
> > > Software Engineer
> > >
> > > Orbital Systems, Ltd.
> > > 8304 Esters Blvd, Suite 870
> > > Irving, TX 75063-2209
> > >
> > > ju...@or...
> > > (469) 442-1767 x127
> > >
> > >
> > >
> > --------------------------------------------------------------
> > -----------
> > > Using Tomcat but need to do more? Need to support web
> > services, security?
> > > Get stuff done quickly with pre-integrated technology to
> > make your job easier
> > > Download IBM WebSphere Application Server v.1.0.1 based on
> > Apache Geronimo
> > >
> > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&
> > dat=121642
> > > _______________________________________________
> > > log4perl-devel mailing list
> > > log...@li...
> > > https://lists.sourceforge.net/lists/listinfo/log4perl-devel
> > >
> >
> > --------------------------------------------------------------
> > -----------
> > Using Tomcat but need to do more? Need to support web
> > services, security?
> > Get stuff done quickly with pre-integrated technology to make
> > your job easier
> > Download IBM WebSphere Application Server v.1.0.1 based on
> > Apache Geronimo
> > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&
> > dat=121642
> > _______________________________________________
> > log4perl-devel mailing list
> > log...@li...
> > https://lists.sourceforge.net/lists/listinfo/log4perl-devel
> >
>
>
> -------------------------------------------------------------------------------------
> A.G. Edwards & Sons' outgoing and incoming e-mails are electronically
> archived and subject to review and/or disclosure to someone other
> than the recipient.
>
> -------------------------------------------------------------------------------------
>
>