munin related

Mark Felder feld at
Tue Oct 8 12:49:31 UTC 2013

On Tue, Oct 8, 2013, at 1:15, Trond Endrestøl wrote:
> On Mon, 7 Oct 2013 19:57+0200, Laszlo Danielisz wrote:
> > Yep killing nscd help me to get out of this trouble.
> I have long suspected nscd to reinitialise the timers whenever an 
> entry is requested while still held in the cache, be it a positive or 
> a negative result.
> As such the only reasonable solution is to never cache negative 
> results (TTL=0) and keep the positive TTL relatively short, say no 
> more than 60 minutes.
> Can someone more knowledgeable on nscd internals confirm my suspicion?

I'm not that guy, but I do remember watching this closely on the mailing
lists a while back. I can't deploy nscd because of negative cache issues
and I don't think this patch in this thread was ever committed. I
haven't had time to investigate, though.

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