unbound: Increase size of send/receive buffers

This will allow to not drop any packets when there is a
peak in queries

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/initscripts/system/unbound b/src/initscripts/system/unbound
index 00dc301e193b6a5610a04ab20c0c09bf629331d5..1d7522a56c686e2d76748909ea5c8bb311da5e30 100644 (file)
--- a/src/initscripts/system/unbound
+++ b/src/initscripts/system/unbound
@@ -278,6 +278,10 @@ write_tuning_conf() {
                # Increase parallel queries
                echo "outgoing-range: 8192"
                echo "num-queries-per-thread: 4096"
+
+               # Use larger send/receive buffers
+               echo "so-sndbuf: 4m"
+               echo "so-rcvbuf: 4m"
        ) > /etc/unbound/tuning.conf
 }