|
|
@@ -963,5 +963,13 @@ variable. The default is 0.5, which can be decreased to reduce RAM usage
|
|
|
in memory constrained enviroments, or increased if performance starts to
|
|
|
degrade.
|
|
|
|
|
|
+Using `libjemalloc <http://jemalloc.net/>`_ can also yield a significant
|
|
|
+improvement in overall amount, and especially in terms of giving back RAM
|
|
|
+to the OS. To use it, the library must simply be put in the LD_PRELOAD
|
|
|
+environment variable when launching Synapse. On Debian, this can be done
|
|
|
+by installing the ``libjemalloc1`` package and adding this line to
|
|
|
+``/etc/default/matrix-synaspse``::
|
|
|
+
|
|
|
+ LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1
|
|
|
|
|
|
.. _`key_management`: https://matrix.org/docs/spec/server_server/unstable.html#retrieving-server-keys
|
Vincent Breitmoser