diff --git a/cmd/go_migrate/main.go b/cmd/go_migrate/main.go
index 757888b..efba4cb 100644
--- a/cmd/go_migrate/main.go
+++ b/cmd/go_migrate/main.go
@@ -22,9 +22,9 @@ var migrationJobs []MigrationJob = []MigrationJob{
 
 const (
 	NumExtractors   int = 4
-	NumLoaders      int = 4
-	ChunkSize       int = 50000
-	QueueSize       int = 10
+	NumLoaders      int = 8
+	ChunkSize       int = 25000
+	QueueSize       int = 8
 )
 
 func main() {
diff --git a/scripts/mssql-copy-in/main.go b/scripts/mssql-copy-in/main.go
index 57ab4be..5ddcd2a 100644
--- a/scripts/mssql-copy-in/main.go
+++ b/scripts/mssql-copy-in/main.go
@@ -17,7 +17,7 @@ import (
 )
 
 const (
-	totalRows int    = 5_000_000
+	totalRows int    = 1_000_000
 	chunkSize int    = 50_000
 	schema    string = "Cartografia"
 	table     string = "MANZANA"