diff --git a/service/history/configs/config.go b/service/history/configs/config.go
index 47834f4e455..54b727a467d 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 not be greater than number of visibility task queue workers VisibilityProcessorSchedulerWorkerCount (default 512)
 		// 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),