On 11/26/2014 10:04 AM, Gergely Nagy wrote:
Hi!
I have an interesting situation here, which I'm trying to wrap my head
around and solve. The problem is that I have a syslog daemon (syslog-ng
3.6.1) that has a native Journal source, meaning it can pull entries
from the Journal directly, and does not need the syslog forwarding
socket - and this is the default when running on a systemd-enabled
machine.
This works beautifully, except there's one problem:
Nov 26 10:41:05 eowyn systemd-journal[14843]: Forwarding to syslog missed 1343
messages.
This happens when the socket buffer is full for the syslogd which is
being forwarding to.
( try tweaking those settings )
On Debian, syslog forwarding is enabled by default, and since syslog-ng
reads from the journal, there's nothing listening on
/run/systemd/journal/syslog, and I get spammed with messages like the
one above.
I'm not sure how to solve this problem. As far as I see, I have the
following options:
1) Drop the native journal source and use syslog forwarding.
This is trivial to do, but I loose the extra fields and info the
Journal collects. I'd rather not do this.
2) Have a dummy listener on /run/systemd/journal/syslog, that just reads
everything and drops it on the floor.
This sounds fishy, and is a bit awkward to implement in the config.
This would also be an ugly hack, not a real solution.
3) Disable syslog forwarding if syslog-ng is installed
Not sure how this could be achieved, because journald.conf does not
belong to the syslog-ng package, therefore I can't fiddle its
settings from there. (Technically, I could, but I won't, that'd be
extremely rude.)
As of systemd 216 forwarding to another syslogd has been disabled by
default so no need to fiddle with this setting.
I'd appreciate any hints. (Disabling syslog forwarding by default is not
an option.)
Why is that not an option since there is nothing by your own account
listening to /run/systemd/journal/syslog?
JBG
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