what does "max-ncache-ttl 0;" mean?
Darcy Kevin (FCA)
kevin.darcy at fcagroup.com
Wed Mar 2 20:22:23 UTC 2016
I wouldn't be so quick to assume that.
Nota bene this part of the ARM:
"Integers may take values 0 <= value <= 18446744073709551615, though certain parameters (such as max-journal-size) may use a more limited range within these extremes. In most cases, setting a value to 0 does not literally mean zero; it means 'undefined"' or 'as big as possible', depending on the context. See the explanations of particular parameters that use size_spec for details on how they interpret its use."
So, it might actually mean "as big as possible".
Consult the source code to be sure.
- Kevin
----------------------------------------------------------------------
Kevin Darcy
NAFTA Information Security Projects
FCA US LLC
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Email: kevin.darcy at fcagroup.com
-----Original Message-----
From: bind-users-bounces at lists.isc.org [mailto:bind-users-bounces at lists.isc.org] On Behalf Of Tony Finch
Sent: Wednesday, March 02, 2016 8:29 AM
To: MURTARI, JOHN
Cc: bind-users at lists.isc.org
Subject: Re: what does "max-ncache-ttl 0;" mean?
MURTARI, JOHN <jm5903 at att.com> wrote:
>
> So far, all the postings I've seen just echo what he already said (and
> knows). The question is - what happens when you set it to ZERO?
>
> I'm wondering myself - anyone have a real answer?
The code says zero means zero, so in effect it would disable negative cacheing.
Tony.
--
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