diff --git a/service/history/configs/config.go b/service/history/configs/config.go
index f6cdcd78a1e6..a4676a29b46c 100644
--- a/service/history/configs/config.go
+++ b/service/history/configs/config.go
@@ -497,7 +497,7 @@ func NewConfig(dc *dynamicconfig.Collection, numberOfShards int32, isAdvancedVis
 		SearchAttributesSizeOfValueLimit:  dc.GetIntPropertyFilteredByNamespace(dynamicconfig.SearchAttributesSizeOfValueLimit, 2*1024),
 		SearchAttributesTotalSizeLimit:    dc.GetIntPropertyFilteredByNamespace(dynamicconfig.SearchAttributesTotalSizeLimit, 40*1024),
 		IndexerConcurrency:                dc.GetIntProperty(dynamicconfig.WorkerIndexerConcurrency, 100),
-		ESProcessorNumOfWorkers:           dc.GetIntProperty(dynamicconfig.WorkerESProcessorNumOfWorkers, 1),
+		ESProcessorNumOfWorkers:           dc.GetIntProperty(dynamicconfig.WorkerESProcessorNumOfWorkers, 2),
 		// Should be not greater than NumberOfShards(512)/NumberOfHistoryNodes(4) * VisibilityTaskWorkerCount(10)/ESProcessorNumOfWorkers(1) divided by workflow distribution factor (2 at least).
 		// Otherwise, visibility queue processors won't be able to fill up bulk with documents (even under heavy load) and bulk will flush due to interval, not number of actions.
 		ESProcessorBulkActions: dc.GetIntProperty(dynamicconfig.WorkerESProcessorBulkActions, 500),