From 4b259f7ac6f5a752722cd771567db35eb8249c5b Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Sun, 26 Aug 2012 18:54:41 +0100
Subject: [PATCH] added a note about query performance in the README

---
 README.rst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.rst b/README.rst
index b57f8db..edc44b4 100644
--- a/README.rst
+++ b/README.rst
@@ -42,7 +42,9 @@ Plenty, of course:
 
 * The performance characteristics are sub-optimal: serialization and
   validation have their cost. Furthermore, the network transport is
-  HTTP, which adds overhead, etc.
+  HTTP, which adds overhead, etc. Queries, for some backends, can be
+  particularly expensive since we might have to do filtering on the
+  client side (in the configdb server).
 
 * Transaction support is currently limited to what is provided by the
   underlying SQL storage backend (so, possibly, none).
-- 
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