schema storage shallow copy DBInfo

pingcap · Oct 19, 2021 · dbd34c5 · dbd34c5
1 parent 1588561
commit dbd34c5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cdc/entry/schema_storage.go b/cdc/entry/schema_storage.go
@@ -226,6 +226,7 @@ func (s *schemaSnapshot) Clone() *schemaSnapshot {
 
 	schemas := make(map[int64]*timodel.DBInfo, len(s.schemas))
 	for k, v := range s.schemas {
+		// DBInfo is readonly in TiCDC, shallow copy to reduce memory
 		schemas[k] = v.Copy()
 	}
 	clone.schemas = schemas