diff --git a/services/backup/src/Constants.h b/services/backup/src/Constants.h
index 85379103d..6c6f988a0 100644
--- a/services/backup/src/Constants.h
+++ b/services/backup/src/Constants.h
@@ -1,24 +1,26 @@
 #pragma once
 
 #include "GlobalTools.h"
 #include "Tools.h"
 
 #include <string>
 
 namespace comm {
 namespace network {
 
 const std::string LOG_TABLE_NAME =
     tools::decorateTableName("backup-service-log");
 const std::string BACKUP_TABLE_NAME =
     tools::decorateTableName("backup-service-backup");
 
 // This has to be smaller than GRPC_CHUNK_SIZE_LIMIT because we need to
 // recognize if we may receive multiple chunks or just one. If it was larger
 // than the chunk limit, once we get the amount of data of size equal to the
 // limit, we wouldn't know if we should put this in the database right away or
 // wait for more data.
-const size_t LOG_DATA_SIZE_DATABASE_LIMIT = 1 * 1024 * 1024;
+// 400KB limit (KB, not KiB, that's why it's 1000 not 1024) -
+// https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ServiceQuotas.html
+const size_t LOG_DATA_SIZE_DATABASE_LIMIT = 400 * 1000;
 
 } // namespace network
 } // namespace comm