unbound/cache.conf: add prefetch & prefetch-key

2024-04-07 17:34:36 +03:00 · 2024-04-07 17:34:36 +03:00 · b03218c78b
parent f42d800872
commit b03218c78b
1 changed files with 5 additions and 0 deletions
--- a/etc/unbound/unbound.conf.d/cache.conf
+++ b/etc/unbound/unbound.conf.d/cache.conf
@ -15,3 +15,8 @@ server:
 	# minute in the wild, I think 5 mins shouldn't break anything, but bigger
 	# might.
 	cache-min-ttl: 900
+	# Update cache for popular items before they expire. ~10 % traffic
+	# increase according to `man unbound.conf`
+	prefetch: yes
+	# Fetch keys when DS is encountered, lower latency for a bit higher CPU use
+	prefetch-key: yes