[Engine-devel] logging in engine

[Laszlo Hornyak]

Yep, good question. Most Unix/linux sysadmins prefer syslog, whatever we have on the java+jboss side.

----- Original Message -----
> From: "Jon Choate" <jchoate at redhat.com>
> To: engine-devel at ovirt.org
> Sent: Friday, November 18, 2011 3:16:11 PM
> Subject: Re: [Engine-devel] logging in engine
> 
> On 11/18/2011 06:42 AM, Laszlo Hornyak wrote:
> > Hi,
> >
> > In oVirt's logging configuration we direct org.ovirt.* loggers to
> > the engine log appender, org.ovirt.engine.ui to the ui's log and
> > then the rest to the server log.
> > The difficulties come when you start to do cross-component
> > debugging. E.g. you see the logs of the engine in the engine log,
> > but you would also like to see the logs of the components the
> > engine is building upon: persistence API's (jdbc, hibernate)
> > network communication components (e.g. httpclient, vdsm, ssh
> > client), data processing API's (xml or json-parsers, apache
> > commons apis) and all these logs go to the generic engine log. So
> > when debugging you would have to merge these logs, otherwise you
> > may miss some important details.
> >
> > I believe Moti's patch
> > (http://gerrit.ovirt.org/#patch,sidebyside,257,3,backend/manager/conf/jboss-log4j.xml)
> > is one step in the another (I believe more useful) direction.
> > But rather than specifying all the components that the engine uses,
> > wouldn't it make sense to take just let all the logs flow into a
> > single appender?
> >
> > What is your opinion?
> >
> > Thank you,
> > Laszlo
> > _______________________________________________
> > Engine-devel mailing list
> > Engine-devel at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/engine-devel
> Has any consideration been given to using the syslog appender and
> sending all messages there? Most data centers already have tools in
> place for analyzing the contents of syslog.
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