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-rw-r--r--tvix/nar-bridge/pkg/server/nar_put.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/tvix/nar-bridge/pkg/server/nar_put.go b/tvix/nar-bridge/pkg/server/nar_put.go
index 9d6752e85bf1..6d8b2bbd41ca 100644
--- a/tvix/nar-bridge/pkg/server/nar_put.go
+++ b/tvix/nar-bridge/pkg/server/nar_put.go
@@ -39,7 +39,8 @@ func registerNarPut(s *Server) {
 		directoriesUploader := NewDirectoriesUploader(ctx, s.directoryServiceClient)
 		defer directoriesUploader.Done() //nolint:errcheck
 
-		rd := reader.New(bufio.NewReader(r.Body))
+		// buffer the body by 10MiB
+		rd := reader.New(bufio.NewReaderSize(r.Body, 10*1024*1024))
 		pathInfo, err := rd.Import(
 			ctx,
 			genBlobServiceWriteCb(ctx, s.blobServiceClient),