retrieval: don't erronously break appending
@@ -507,7 +507,9 @@ func (sl *scrapeLoop) append(b []byte, ts time.Time) (n int, err error) {
mets := string(met)
ref, ok := sl.cache[mets]
if ok {
- if err = app.Add(ref, t, v); err != storage.ErrNotFound {
+ if err = app.Add(ref, t, v); err == nil {
+ continue
+ } else if err != storage.ErrNotFound {
break
}
ok = false
