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cache.conf: increase NXDOMAIN cache size and set min TTL to 300

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Aminda Suomalainen 2019-07-23 15:09:34 +03:00
parent 2b8a460b63
commit 55050ec0e5
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1 changed files with 9 additions and 3 deletions
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12
etc/unbound/unbound.conf.d/cache.conf
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@ -1,7 +1,6 @@
# Increasing caching
# This has potential to increase memory usage to 100m under heavy usage, but
# I find that unlikely as almost everything is using so short TTLs and I am
# not enforcing higher minimum TTL (cache-min-ttl, defaults to 0).
# This has potential to increase memory usage to 110m under heavy usage, but
# I find that unlikely as almost everything is using so short TTLs
# See also MEMORY CONTROL EXAMPLE in man unbound.conf
server:
@ -9,3 +8,10 @@ server:
msg-cache-size: 50m
# bytes in rrset cache, defaults to 4m
rrset-cache-size: 50m
# nxdomain cache, default 1m
neg-cache-size: 10m
# Cache results for 5 minutes even if they had a shorter TTL. Cloudflare
# zone export used to have 1 second, and I have also been seeing 1
# minute in the wild, I think this shouldn't break anything, but bigger
# might.
cache-min-ttl: 300