Reduce the minimal chunk size from 100 to 10.

Author: arthurschreiber

go/base/context.go

@@ -15,7 +15,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/satori/go.uuid"
+	uuid "github.com/satori/go.uuid"
 
 	"github.com/github/gh-ost/go/mysql"
 	"github.com/github/gh-ost/go/sql"
@@ -551,8 +551,8 @@ func (this *MigrationContext) SetMaxLagMillisecondsThrottleThreshold(maxLagMilli
 }
 
 func (this *MigrationContext) SetChunkSize(chunkSize int64) {
-	if chunkSize < 100 {
-		chunkSize = 100
+	if chunkSize < 10 {
+		chunkSize = 10
 	}
 	if chunkSize > 100000 {
 		chunkSize = 100000