- More clear text for prefetch and minimal-responses in the

unbound.conf man page.
This commit is contained in:
Yorgos Thessalonikefs 2024-09-24 15:10:21 +02:00
parent 7f4a61e6fc
commit 24ebca7df6
2 changed files with 13 additions and 9 deletions

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@ -1,5 +1,7 @@
24 September 2024: Yorgos
- Attempt to further fix doh_downstream_buffer_size.tdir flakiness.
- More clear text for prefetch and minimal-responses in the
unbound.conf man page.
23 September 2024: Wouter
- Fix dns64 with prefetch that the prefetch is stored in cache.

View file

@ -1176,10 +1176,11 @@ IP6 ::1 and IP4 127.0.0.1/8. If no, then localhost can be used to send
queries to. Default is yes.
.TP
.B prefetch: \fI<yes or no>
If yes, message cache elements are prefetched before they expire to
keep the cache up to date. Default is no. Turning it on gives about
10 percent more traffic and load on the machine, but popular items do
not expire from the cache.
If yes, cache hits on message cache elements that are on their last 10 percent
of their TTL value trigger a prefetch to keep the cache up to date.
Default is no.
Turning it on gives about 10 percent more traffic and load on the machine, but
popular items do not expire from the cache.
.TP
.B prefetch\-key: \fI<yes or no>
If yes, fetch the DNSKEYs earlier in the validation process, when a DS
@ -1199,12 +1200,13 @@ from the query ID, for speed and thread safety). Default is yes.
.B minimal-responses: \fI<yes or no>
If yes, Unbound does not insert authority/additional sections into response
messages when those sections are not required. This reduces response
size significantly, and may avoid TCP fallback for some responses.
This may cause a slight speedup. The default is yes, even though the DNS
size significantly, and may avoid TCP fallback for some responses which may
cause a slight speedup. The default is yes, even though the DNS
protocol RFCs mandate these sections, and the additional content could
be of use and save roundtrips for clients. Because they are not used,
and the saved roundtrips are easier saved with prefetch, whilst this is
faster.
save roundtrips for clients that use the additional content.
However these sections are hardly used by clients.
Enabling prefetch can benefit clients that need the additional content
by trying to keep that content fresh in the cache.
.TP
.B disable-dnssec-lame-check: \fI<yes or no>
If true, disables the DNSSEC lameness check in the iterator. This check