diff --git a/config/dashboard.toml b/config/dashboard.toml
index b624efcfb..aba13af9d 100644
--- a/config/dashboard.toml
+++ b/config/dashboard.toml
@@ -21,7 +21,7 @@ migration_method = "semi-async"
 migration_parallel_slots = 100
 migration_async_maxbulks = 200
 migration_async_maxbytes = "32mb"
-migration_async_numkeys = 100
+migration_async_numkeys = 500
 migration_timeout = "30s"
 
 # Set configs for redis sentinel.
diff --git a/pkg/topom/config.go b/pkg/topom/config.go
index cb5b08398..13de0624d 100644
--- a/pkg/topom/config.go
+++ b/pkg/topom/config.go
@@ -38,7 +38,7 @@ migration_method = "semi-async"
 migration_parallel_slots = 100
 migration_async_maxbulks = 200
 migration_async_maxbytes = "32mb"
-migration_async_numkeys = 100
+migration_async_numkeys = 500
 migration_timeout = "30s"
 
 # Set configs for redis sentinel.