[syslog-ng]TCP Connection Dropouts

Philip Webster syslog-ng@lists.balabit.hu
Tue, 18 May 2004 09:14:43 +1000

Thanks Bazsi and Ted,

This is exactly the information I was looking for.  I had tested with removing 
the cable, but there no way (that I could find) to reliably test a connection 
dropping out once it had been established.


Balazs Scheidler wrote:
> 2004-05-17, h keltezéssel 06:05-kor Philip Webster ezt írta:
>>I'm wondering about the resilience of syslog-ng to TCP connection dropouts. 
>>I've tested what happens when there is no connection available - syslog-ng 
>>buffers the output and continues to write to local files, ie. it doesn't block.
>>But what happens if the TCP connection fails halfway through?  So, for 
>>example, the three-way handshake has been completed, but there is no response 
>>after the first data packet is sent because the remote host (or router, 
>>switch, ISP ...) has stopped responding.  I can't really test this, so does 
>>anyone know how syslog-ng handles it?
> exactly the same, syslog-ng 1.6.x does never block. (or at least should
> not), there's no flow control.