[Pdns-users] Possible tcp listener issue
bert.hubert at netherlabs.nl
Tue May 4 16:29:03 UTC 2010
On Tue, May 04, 2010 at 05:04:51PM +0100, Simon Bedford wrote:
> >We created a patched version in the end and rolled to one server
> >back on the 8th April, no fault seen since and now rolled to the
> >entire platform as of today, looking good.
> We have now had 2 more failures of the tcp listener on 2 seperate
> servers in the last week, a simple reload of the software fixes
So this is with the patched servers?
> this. the thing I have noticed when this occurs is that when
> telnetting to the port you can then type in anything and try and
> escape, etc but the connection never closes, whereas on a working
> server the session will close after a short while of typing and
> pressing Enter.
> The logs do not show anything or give any pointers as to the cause...
Please remind us of your operating system, RHEL4 I think? Or 5? Is there
anything special about your workload? Residential internet connections I
How many TCP/IP queries do you see per second, roughly? A quick run of
rec_control should dig this up.
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