[Xymon] Data flooding error messages feature request

[David Baldwin]

Henrik,
> On 04-08-2012 15:25, me at tdiehl.org wrote:
>> BBWin failed to send the client data successfully to the Xymon server. The
>> error was : Can't send message : An existing connection was forcibly
>> closed by the remote host..
> Do you see a message about "data flooding" in the xymond.log file on the 
> server ?
Just a suggestion on diagnosing these cases - could the "data flooding"
message also include a) the type of message that is causing the data
flooding (client/status/data/etc report) and b) the client name that is
in that message. This info is in line 1 of the message, so easy enough
to detect.

So rather than:

Data flooding from 192.168.1.1, closing connection

how about:

Data flooding from 192.168.1.1 - message type 'status' client 'test.example.com' - closing connection

I have recently had some cases where I am getting these messages from
the xymon server itself, where event logs or syslogs are forwarded to
the xymon server and an external script on the server is monitoring
those logs and sending the message on behalf of the client. If the
volume of messages is sustained at a flooding level, eventually the test
for that client goes purple!
> Try disabling the "msgs" module in the bbwin config - I've seen Windows 
> servers generate multi-MB logs which could trigger xymond to close the 
> connection.
>
Yes, it's an even worse cause of the above scenario, because filtering
usually only gets done server-side not client side.

David.

-- 
David Baldwin - Senior Systems Administrator (Datacentres + Networks)
Information and Communication Technology Services
Australian Sports Commission          http://ausport.gov.au
Tel 02 62147830 Fax 02 62141830       PO Box 176 Belconnen ACT 2616
david.baldwin at ausport.gov.au          Leverrier Street Bruce ACT 2617


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