Commit d6376d05 authored by Jan Včelák's avatar Jan Včelák 🚀
Browse files

doc: add information about persistent timers

parent fd39749e
......@@ -106,7 +106,11 @@ See :ref:`keys`::
}
}
As of now it is not possible to associate multiple keys with a remote.
If Knot DNS is compiled with the LMDB library, the server will be able to
preserve slave zone timers across full server restarts. The zone expire,
refresh, and flush timers are stored in a file-backed database in the
:ref:`storage` directory in the ``timers`` subdirectory.
Master configuration
====================
......
......@@ -36,11 +36,16 @@ Knot DNS requires few libraries to be compiled:
* zlib
* Userspace RCU, at least 0.5.4
* libcap-ng, at least 0.6.4 (optional library)
* lmdb (optional library)
If libcap-ng library is available, Knot DNS will take advantage of the
If the libcap-ng library is available, Knot DNS will take advantage of the
POSIX 1003.1e capabilites(7) by sandboxing the exposed threads. Most
rights are stripped from the exposed threads for security reasons.
If the LMDB library is available, the server will be able to store timers
for slave zones in file-backed storage and the timers will persist across
server restarts.
You can probably find OpenSSL and zlib libraries already included in
your system or distribution. If not, zlib resides at http://zlib.net,
and OpenSSL can be found at http://www.openssl.org.
......
......@@ -41,6 +41,7 @@ Server features:
* Reconfiguring server instance on-the-fly
* IPv4 / IPv6 support
* Semantic checks of zones
* Persistent zone timers
For more info and downloads see `www.knot-dns.cz <https://www.knot-dns.cz>`_.
......
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