[syslog-ng] UDP packet loss with syslog-ng

Martin Holste mcholste at gmail.com
Sat Oct 16 16:02:23 CEST 2010


My concern was just to rule out it wasn't happening once per message.

On Sat, Oct 16, 2010 at 12:02 AM, Balazs Scheidler <bazsi at balabit.hu> wrote:
> On Fri, 2010-10-15 at 16:07 -0500, Martin Holste wrote:
>> Actually, I missed what you were doing with awk because I don't think
>> I've ever seen /inet before.  Are you on FreeBSD?  My experience (and
>> cited performance numbers) is all on Linux.  My suspicion is that nc
>> would take into account more things like SO_RCVBUF, so I'd be
>> interested to see if there's any difference between redirecting the
>> raw socket and running netcat.
>>
>> Your template refers to DNS hostnames, so it's certainly possible that
>> it's a factor, though I agree that a single hostname with caching
>> enabled should really not be a problem.
>
> DNS resolution happens only once when a message is received. Even if you
> used it 20 times in your template, DNS resolution only happens once.
>
> --
> Bazsi
>
>
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