Fix panic if series is not found when deleting series
@@ -1115,6 +1115,10 @@ func (h *Head) Delete(mint, maxt int64, ms ...*labels.Matcher) error {
var stones []tombstones.Stone
for p.Next() {
series := h.series.getByID(chunks.HeadSeriesRef(p.At()))
+ if series == nil {
+ level.Debug(h.logger).Log("msg", "Series not found in Head.Delete")
+ continue
+ }
series.RLock()
t0, t1 := series.minTime(), series.maxTime()
