add a note about performance

1 files changed, 8 insertions, 0 deletions

diff --git a/README.rst b/README.rst
index b1ba991..64d37b7 100644
--- a/README.rst
+++ b/README.rst
@@ -141,6 +141,14 @@ Remote ID
     a warning if the Remote ID changes, which should only happen if the
     remote was re-created.
 
+Performance
+    Using an arbitrary `<giturl>` requires uploading the entire
+    repository history with each push.  If your repository history is
+    large and git-remote-gcrypt is slow, consider using either the
+    `rsync://` or `sftp://` transports, which perform incremental
+    pushes.  Note that this won't work with a repository hosting
+    service like GitHub.
+
 Repository Format
 .................