From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 18 Dec 2015 18:07:31 +0000 (+0100)
Subject: resolved: bump cache size a bit
X-Git-Tag: v229~201^2~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d98e5504208e5435584d3ee44fd1ab1629920e7a;p=thirdparty%2Fsystemd.git

resolved: bump cache size a bit

Let's keep entries for longer and more of them. After all, due to the
DNSSEC hookup the amount of RRs we need to store is much higher now.
---

diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c
index 9ad3c0e82b3..fe74f0f83f3 100644
--- a/src/resolve/resolved-dns-cache.c
+++ b/src/resolve/resolved-dns-cache.c
@@ -26,11 +26,11 @@
 #include "resolved-dns-packet.h"
 #include "string-util.h"
 
-/* Never cache more than 1K entries */
-#define CACHE_MAX 1024
+/* Never cache more than 4K entries */
+#define CACHE_MAX 4096
 
-/* We never keep any item longer than 10min in our cache */
-#define CACHE_TTL_MAX_USEC (10 * USEC_PER_MINUTE)
+/* We never keep any item longer than 2h in our cache */
+#define CACHE_TTL_MAX_USEC (2 * USEC_PER_HOUR)
 
 typedef enum DnsCacheItemType DnsCacheItemType;
 typedef struct DnsCacheItem DnsCacheItem;