the pagination size was too big for recursive deletion

weed/filer/filer.go

@@ -18,7 +18,7 @@ import (
 
 const (
 	LogFlushInterval = time.Minute
-	PaginationSize   = 1024 * 256
+	PaginationSize   = 1024
 	FilerStoreId     = "filer.store.id"
 )