[syslog-ng] syslog-ng 3.0 seem to chop some of the long lines off

ILLES, Marton illes.marton at balabit.hu
Wed Aug 26 11:34:52 CEST 2009


You can try setting the log_msg_size() to increase the maximum msg size.
What kind of source do you use?

M

On Tue, 2009-08-25 at 15:48 -0700, Joe Hansen wrote:
> Just when things were going well, syslog-ng started to chop off lines
> again.  It seems to be doing this under heavy load.
> 
> Will this get fixed in the later version?
> 
> thanks,
> Joe
> 
> --- On Fri, 6/19/09, Joe Hansen <yrmf250 at yahoo.com> wrote:
>         
>         From: Joe Hansen <yrmf250 at yahoo.com>
>         Subject: Re: [syslog-ng] syslog-ng 3.0 seem to chop some of
>         the long lines off
>         To: "Syslog-ng users' and developers' mailing list"
>         <syslog-ng at lists.balabit.hu>
>         Received: Friday, June 19, 2009, 9:32 PM
>         
>         The application is custom in-house.  I'm really not sure what
>         RFC they've followed.  However your suggestion about using
>         'no-multi-line' seems to have take care of the split lines.
>         
>         Thanks,
>         Jo
>         
>         --- On Fri, 6/19/09, Balazs Scheidler <bazsi at balabit.hu>
>         wrote:
>                 
>                 From: Balazs Scheidler <bazsi at balabit.hu>
>                 Subject: Re: [syslog-ng] syslog-ng 3.0 seem to chop
>                 some of the long lines off
>                 To: "Syslog-ng users' and developers' mailing list"
>                 <syslog-ng at lists.balabit.hu>
>                 Received: Friday, June 19, 2009, 4:38 AM
>                 
>                 On Wed, 2009-06-17 at 12:10 -0700, Joe Hansen wrote:
>                 > We're seeing lines in /var/log/messages that are
>                 chopped off.  They
>                 > should look like this:
>                 > 
>                 > Jun 17 00:34:36 bxe1001 WORKER[18808]: DEBUG,email
>                 header
>                 >
>                 info,3893336992,1941292826,CPSendWork::ProcessConverterSuccessMessage,"man_id=551797512,srp_id=GBISXAPC00S07,from=From: ""info at callcentres.net"" <info at callcentres.net> ,to=To: ""Graeme Ross"" <gross at mobileemail.vodafone.com.au>,subject=Turn-key call centre for lease. Launceston, Tasmania","worker/CPSendWork.cpp:858"
>                 > 
>                 > But they look like this:
>                 > 
>                 > Jun 17 00:34:36 bxe1001 WORKER[18808]: DEBUG,email
>                 header
>                 >
>                 info,3893336992,1941292826,CPSendWork::ProcessConverterSuccessMessage,"man_id=551797512,srp_id=GBISXAPC00S07,from=From: ""info at callcentres.net"" <info at callcentres.net> 
>                 > 
>                 > 
>                 > Anyone seen this?
>                 > 
>                 > Thanks
>                 > 
>                 > 
>                 > 
>                 
>                 Well, can you tell us a little bit more on your
>                 configuration? What
>                 protocol do you use on the source side? Do you happen
>                 to use the new
>                 RFC5424 style protocol, or the legacy one?
>                 
>                 What is generating those messages, can you show us a
>                 tcpdump/strace
>                 snippet that shows how that frame is travelling the
>                 network?
>                 
>                 Also, syslog-ng 3.0 does not remove embedded NL
>                 characters by default,
>                 maybe the rest of the message continues on the next
>                 line?
>                 
>                 You can reenable the previous behaviour by using the
>                 'no-multi-line'
>                 flag for your source or destination (e.g. you can
>                 change the multi-line
>                 handling not just for a given source, but also handle
>                 the same message
>                 differently in different destinations).
>                 
>                 -- 
>                 Bazsi
>                 
>                 
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>                 
>         
>         
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> 
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