refactor(shard distributor): found a place where I forgot to rename to statistics

Signed-off-by: Andreas Holt <[email protected]>

Author: AndreasHolt

service/sharddistributor/store/etcd/executorstore/etcdstore.go

@@ -41,7 +41,7 @@ type executorStoreImpl struct {
 type shardStatisticsUpdate struct {
 	key             string
 	shardID         string
-	metrics         store.ShardStatistics
+	stats           store.ShardStatistics
 	desiredLastMove int64 // intended LastMoveTime for this update
 }
 
@@ -261,7 +261,7 @@ func (s *executorStoreImpl) GetState(ctx context.Context, namespace string) (*st
 		assignedStates[executorID] = assigned
 	}
 
-	// Fetch shard-level metrics stored under shard namespace keys.
+	// Fetch shard-level statistics stored under shard namespace keys.
 	shardPrefix := etcdkeys.BuildShardPrefix(s.prefix, namespace)
 	shardResp, err := s.client.Get(ctx, shardPrefix, clientv3.WithPrefix())
 	if err != nil {
@@ -450,7 +450,7 @@ func (s *executorStoreImpl) prepareShardStatisticsUpdates(ctx context.Context, n
 			updates = append(updates, shardStatisticsUpdate{
 				key:             shardStatisticsKey,
 				shardID:         shardID,
-				metrics:         stats,
+				stats:           stats,
 				desiredLastMove: now,
 			})
 		}
@@ -463,9 +463,9 @@ func (s *executorStoreImpl) prepareShardStatisticsUpdates(ctx context.Context, n
 // Is intentionally made tolerant of failures since the data is telemetry only.
 func (s *executorStoreImpl) applyShardStatisticsUpdates(ctx context.Context, namespace string, updates []shardStatisticsUpdate) {
 	for _, update := range updates {
-		update.metrics.LastMoveTime = update.desiredLastMove
+		update.stats.LastMoveTime = update.desiredLastMove
 
-		payload, err := json.Marshal(update.metrics)
+		payload, err := json.Marshal(update.stats)
 		if err != nil {
 			s.logger.Warn(
 				"failed to marshal shard statistics after assignment",