restore: added a comment about retry

Signed-off-by: Yu Juncen <yujuncen@pingcap.com>
pingcap · Dec 22, 2021 · c2c22f0 · c2c22f0
1 parent bb9116b
commit c2c22f0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/br/pkg/restore/split.go b/br/pkg/restore/split.go
@@ -358,6 +358,7 @@ func (rs *RegionSplitter) ScatterRegions(ctx context.Context, newRegions []*Regi
 		rs.waitForSplit(ctx, region.Region.Id)
 	}
 
+	// No retry needed, the internal implementation of `ScatterRegions` involves retry already.
 	err := rs.client.ScatterRegions(ctx, newRegions)
 	if isUnsupportedError(err) {
 		log.Warn("batch scatter isn't supported, rollback to old method", logutil.ShortError(err))