From 0449688a76b4590e3eee6c977971b0da549033b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sun, 18 Sep 2022 01:15:26 +0200
Subject: [PATCH] dnscache: up caching

---
 nix/nixos-module/container/dnscache.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nix/nixos-module/container/dnscache.nix b/nix/nixos-module/container/dnscache.nix
index eca26da..033bf87 100644
--- a/nix/nixos-module/container/dnscache.nix
+++ b/nix/nixos-module/container/dnscache.nix
@@ -12,9 +12,16 @@ lib.mkIf config.site.hosts.${hostName}.services.dnscache.enable {
         num-threads = 4;
         verbosity = 1;
         prefetch = true;
+        prefetch-keys = true;
         serve-expired = true;
         cache-min-ttl = 60;
         cache-max-ttl = 3600;
+        infra-cache-slabs = "8";
+        key-cache-slabs = "8";
+        msg-cache-slabs = "8";
+        rrset-cache-slabs = "8";
+        msg-cache-size = "256m"; # half again 128m?
+        rrset-cache-size = "512m"; # half again 256m?
 
         interface = [ "0.0.0.0" "'::0'" ];
         # TODO: generate