[nsd-users] PATCH: option to allow nofork without enabling debug mode

[W.C.A. Wijngaards]

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Hi Paul, Anand,

On 04/19/2013 12:47 AM, Paul Wouters wrote:
> On Thu, 18 Apr 2013, Anand Buddhdev wrote:
> 
>> Have you tested nsd long enough with this option?
> 
> After fixing the patch to add "D" to getopt, I ran it specifically 
> with various reload scenarios because I know even the RHEL version 
> with sysv still at times lost the proper pid (the build I fired
> off today hopefully fixes those now on RHEL, ns0.nohats.ca has not
> lost the right pid in several hours now)

The pidfile is changed when the scenario that Anand describes happens.
 So that means there is a brief race condition, but you did not notice
the issue that Anand described.  Also upstart may need nsd to keep
attached to the same console session, and that would then not happen,
and nsd4 can do all of that with the changes; i.e. for nsd4 the
pidfile does not change.

Best regards,
   Wouter

> So I did variations of: systemctl reload nsd.service nsdc reload 
> nsdc rebuild systemctl restart nsd.service
> 
> Note that the reload service calls rebuild, reload and notify:
> 

> 
> I'll do some more tests to ensure this will work (or not). Thanks 
> for pointing it out.
> 
> Paul _______________________________________________ nsd-users 
> mailing list nsd-users at NLnetLabs.nl 
> http://open.nlnetlabs.nl/mailman/listinfo/nsd-users

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