BIND 9.21+/9.22: parent-centric delegations and no TTL-based cleaning

[Michael Richardson]

Ondřej Surý <ondrej at isc.org> wrote:
    >> Are there any warnings that can be enabled?
    >> I think, one wouldn't want this on by default.

    > What warnings do you have in mind?

For the parent+child both loaded, then it might be nice to be able to know
when they do not match.  This perhaps matters more to secondaries.

    > Like https://zonemaster.net/en/ (it also has a command line utility)

    >> How does bind9 set it's default cache size?  Is it related to available
    >> physical (not virtual) memory?

    > Yes, it is actually documented:
    > https://bind9.readthedocs.io/en/v9.21.21/reference.html#namedconf-statement-max-cache-size

"in bytes or percentage of total physical memory"
which answers my question, and that page nicely tells us the default.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        |    IoT architect   [
]     mcr at sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [
]       My working hours and your working hours may be different.            [
]  Please do not feel obligated to reply outside your normal working hours   [

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 487 bytes
Desc: not available
URL: <https://lists.isc.org/pipermail/bind-users/attachments/20260415/c928f44f/attachment.sig>