Re: [Babeldoc-devel] [babeldoc - Help] multiple Babeldoc processes

[David G. <dg...@co...>]

Hi Bruce,

Does the SQL journal solve this problem?

David


On Sunday 21 September 2003 5:43 am, Bruce McDonald wrote:
> David / Davor:
>
> If your are running two instances of babeldoc (two jvms) then all is good -
> the simple journals steps do not get mixed up.  The problem arises when you
> are threading, in the same pipeline for the same journal ticket, then the
> ticket steps get mixed.
>
> The issue is that the simple journal uses the strict consecutive provision
> of ticket steps to know about ordering, etc.  This is a problem if you have
> multiple threads - everything is out of order...
>
> regards,
> Bruce.
>
> On Sunday 21 September 2003 12:40 am, David Glick wrote:
> > Hi Davor,
> >
> > If you are executing multiple invocations of Babeldoc from the command
> > line, each invocation is running is a separate JVM and therefore you
> > shouldn't have any problems executing the same pipeline simultaneously
> > (with the possible exception of the Journal update... Bruce, how is
> > contention handled in the case of multiple JVM copies of Babeldoc trying
> > to simultaneously update the Journal?).
> >
> > If you are executing multiple invocations in the same JVM, I believe that
> > this situation is handled via the multi-threading model Babeldoc
> > supports. The section on Multithreaded Operation in the Users Guide is an
> > excellent source of info for this situation.
> >
> >
> > Hope this helps,
> >
> > David
> >
> > On Saturday 20 September 2003 1:57 am, SourceForge.net wrote:
> > > Read and respond to this message at:
> > > https://sourceforge.net/forum/message.php?msg_id=2201154
> > > By: dchocky
> > >
> > > Hi!
> > >
> > >
> > >
> > > I'm using Babeldoc (and Xindice XML server) to construct a simple
> > > Document Workflow System (or at least that's what we call it), as a
> > > part of my college theses. I've built a custom (RMI)feeder-wrapper for
> > > Babeldoc.
> > >
> > > The application could work ok with this feeder, but I'd like to provide
> > > an alternative way of feeding documents into the pipeline.
> > > Here's the question:
> > >
> > > Is it possible to start in one process my (or any other) feeder for
> > > Babeldoc, and in another process to start a scanner (a mailbox scanner)
> > > and should I expect any problems or do these processes work
> > > independently (concurrent access to journal?,velocity log...)?
> > > Does it become a problem if both processes are operating on the same
> > > pipeline? ...on different pipelines?
> > > I've tried this and it seems to work fine, but...
> > >
> > >
> > >
> > > Davor Cokrlic
> > >
> > >
> > >
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-- 
David Glick
Transmit Consulting, Inc
619-475-4052
dg...@tr...