Increase maximum MDB map size

consul/state_store.go

@@ -13,6 +13,7 @@ const (
 	dbNodes        = "nodes"            // Maps node -> addr
 	dbServices     = "services"         // Maps node||serv -> structs.NodeService
 	dbServiceIndex = "serviceIndex"     // Maps serv||tag||node -> structs.ServiceNode
+	dbMaxMapSize   = 1024 * 1024 * 1024 // 1GB maximum size
 )
 
 var (
@@ -86,6 +87,11 @@ func (s *StateStore) initialize() error {
 		return err
 	}
 
+	// Increase the maximum map size
+	if err := s.env.SetMapSize(dbMaxMapSize); err != nil {
+		return err
+	}
+
 	// Optimize our flags for speed over safety, since the Raft log + snapshots
 	// are durable. We treat this as an ephemeral in-memory DB, since we nuke
 	// the data anyways.