[syslog-ng] syslog-ng dropping log messages forwarded w/TCP

Balazs Scheidler bazsi@balabit.hu
Tue, 7 Mar 2000 21:51:35 +0100

> > When I send a batch of 100k log messages to the first machine, they all
> > end up in its file, but about 25% of them never make it through to the
> > second machine's log.
> > 
> > Any ideas?
> Probably the speed of your network is less than required. How fast are you
> sending those messages? syslog-ng can do with quite high loads (2G logs a
> day), but it still cannot widen your network bandwidth. Note that log
> connections in syslog-ng (e.g. a log statement) is not flowcontrolled. This
> means that messages are continously read even if they have not yet been
> flushed to the destination. The reason behind this is to prevent syslog-ng
> to become the bottleneck. 

btw: to allow bursts set the log_fifo_size option of destination files to a
higher value (100 by default)

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