storage: drop raftentry.Cache data in applySnapshot

Add logic to clear cached raft log entries when applying a snapshot. Release note: None
cockroachdb · Apr 24, 2019 · 0071acd · 0071acd
1 parent ca112d6
commit 0071acd
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkg/storage/replica_raftstorage.go b/pkg/storage/replica_raftstorage.go
@@ -856,6 +856,9 @@ func (r *Replica) applySnapshot(
 	if err := clearRangeData(ctx, s.Desc, r.store.Engine(), batch, true /* destroyData */); err != nil {
 		return err
 	}
+	// Clear the cached raft log entries to ensure that old or uncommitted
+	// entries don't impact the in-memory state.
+	r.store.raftEntryCache.Drop(r.RangeID)
 	stats.clear = timeutil.Now()
 
 	// Write the snapshot into the range.