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authorGravatar Francois Tur <ftur@infoblox.com> 2018-08-31 17:26:43 -0400
committerGravatar Yong Tang <yong.tang.github@outlook.com> 2018-08-31 14:26:43 -0700
commit4c6c9d4b2700c3e4606d4b98bde64e7c1ed0c231 (patch)
tree628c776c0d6e7211b7e648a99303115e0f1f1a72 /plugin/dnssec/cache.go
parentd00e8c39183b0385324bc7ea56a3f2aeb6918748 (diff)
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Move cache Keys to 64bit for a better dispersion and lower collision frequency (#2077)
* - change Key for cache to 64bits. * - change Key for cache to 64bits.
Diffstat (limited to 'plugin/dnssec/cache.go')
-rw-r--r--plugin/dnssec/cache.go6
1 files changed, 3 insertions, 3 deletions
diff --git a/plugin/dnssec/cache.go b/plugin/dnssec/cache.go
index ea95b73b4..e1f503703 100644
--- a/plugin/dnssec/cache.go
+++ b/plugin/dnssec/cache.go
@@ -7,8 +7,8 @@ import (
)
// hash serializes the RRset and return a signature cache key.
-func hash(rrs []dns.RR) uint32 {
- h := fnv.New32()
+func hash(rrs []dns.RR) uint64 {
+ h := fnv.New64()
buf := make([]byte, 256)
for _, r := range rrs {
off, err := dns.PackRR(r, buf, 0, nil, false)
@@ -17,6 +17,6 @@ func hash(rrs []dns.RR) uint32 {
}
}
- i := h.Sum32()
+ i := h.Sum64()
return i
}