summary refs log tree commit diff
path: root/README.rst
diff options
context:
space:
mode:
Diffstat (limited to 'README.rst')
-rw-r--r--README.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/README.rst b/README.rst
index 9a7c04b55e..8e22109973 100644
--- a/README.rst
+++ b/README.rst
@@ -199,6 +199,8 @@ by installing the ``libjemalloc1`` package and adding this line to
 
     LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1
 
+This can make a significant difference on Python 2.7 - it's unclear how
+much of an improvement it provides on Python 3.x.
 
 Upgrading an existing Synapse
 =============================