On Mon, Sep 24, 2012 at 1:36 PM, Joseph <wutong...@gmail.com> wrote: > Or you could just use a simple socketappender from log4j and let all > instances write to configured host port > > 在 2012-9-25，0:29，André Warnier <a...@ice-sa.com> 写道： > > > John Rellis wrote: > >> On Mon, Sep 24, 2012 at 10:57 AM, André Warnier <a...@ice-sa.com> wrote: > >>> John Rellis wrote: > >>> > >>>> On Mon, Sep 24, 2012 at 10:12 AM, Alex Samad - Yieldbroker < > >>>> alex.sa...@yieldbroker.com> wrote: > >>>> > >>>> Been thinking about > >>>>> Log4j -> syslog -> syslog server > >>>>> > >>>>> That way you can look at the server and also at the syslog server ... > >>>>> give > >>>>> you a real time view. > >>>>> > >>>>> I keep my per server syslogs for 4-7 days and the on the syslog > server > >>>>> for > >>>>> months .. > >>>>> > >>>>> A > >>>>> > >>>>> -----Original Message----- > >>>>>> From: John Rellis [mailto:john.d.rellis@gmail.**com< > john.d.rel...@gmail.com> > >>>>>> ] > >>>>>> Sent: Monday, 24 September 2012 6:49 PM > >>>>>> To: users > >>>>>> Subject: Cluster Logging Options > >>>>>> > >>>>>> Hi, > >>>>>> > >>>>>> Curious to how people deal with logging in a horizontally clustered > >>>>>> environment?? > >>>>>> > >>>>>> Right now, I am looking at multiple remote instances of Tomcat with > >>>>> separate > >>>>> > >>>>>> log files on each server. Is this the way most people do it or is > it > >>>>> possible to > >>>>> > >>>>>> amalgamate the logs at some point to give a more complete picture of > >>>>>> what > >>>>>> is going on in the system?? > >>>>>> > >>>>>> Many thanks, > >>>>>> John > >>>>>> > >>>>>> -- > >>>>>> John Rellis > >>>>> ------------------------------**------------------------------** > >>>>> --------- > >>>>> To unsubscribe, e-mail: users-unsubscribe@tomcat.**apache.org< > users-unsubscr...@tomcat.apache.org> > >>>>> For additional commands, e-mail: users-h...@tomcat.apache.org > >>>> Thanks Alex. > >>>> > >>>> Could be a good idea to figure out what is going on the system! > >>>> > >>>> Have you come up with any solutions of clustering tomcat across many > >>>> different servers and putting their logs together?? > >>> Isn't that precisely what he's telling you above ? > >>> > >>> > >>> > >>> > ------------------------------**------------------------------**--------- > >>> To unsubscribe, e-mail: users-unsubscribe@tomcat.**apache.org< > users-unsubscr...@tomcat.apache.org> > >>> For additional commands, e-mail: users-h...@tomcat.apache.org > >> André, Alex, > >> Apologies, I don't understand how that relates to multiple different > >> machines/servers on a network. > >> I can see how it is a good idea for running multiple tomcat instances on > >> one machine alright. > >> Not sure what I am missing. I understand the above as writing all > tomcat > >> logs on the same machine to the syslog. Am I mistaken?? > > > > There is just a bit missing in your understanding : syslog is a daemon > running on one host, and writes logfiles on that host. But different > processes, running on the same *or on other hosts* can send their log > messages to that one syslog daemon, via the network and TCP/IP e.g., > allowing this syslog daemon to write messages from these various remote > processes to one or more local logfiles. > > This, in an abbreviated way, was what Alex was trying to tell you : > configure your Tomcats to use log4j, and configure log4j to send their log > messages to one syslog running on one "logging host". You can configure > log4j and syslog in such a way as to write one common logfile for all > Tomcats, or separate files for each, or both at the same time. > > > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > > For additional commands, e-mail: users-h...@tomcat.apache.org > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > That's excellent guys thanks! I will look at the appender and the syslog approach. Thanks very much!
-- John Rellis
