grpcproxy: fix memory leak
use set instead of slice as interval value
fixes
@@ -99,9 +99,12 @@ func (c *cache) Add(req *pb.RangeRequest, resp *pb.RangeResponse) {
iv = c.cachedRanges.Find(ivl)
if iv == nil {
- c.cachedRanges.Insert(ivl, []string{key})
+ val := map[string]struct{}{key: {}}
+ c.cachedRanges.Insert(ivl, val)
} else {
- iv.Val = append(iv.Val.([]string), key)
+ val := iv.Val.(map[string]struct{})
+ val[key] = struct{}{}
+ iv.Val = val
}
}
@@ -141,8 +144,8 @@ func (c *cache) Invalidate(key, endkey []byte) {
ivs = c.cachedRanges.Stab(ivl)
for _, iv := range ivs {
- keys := iv.Val.([]string)
- for _, key := range keys {
+ keys := iv.Val.(map[string]struct{})
+ for key := range keys {
c.lru.Remove(key)
}
}
