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| author | Vincent Breitmoser <look@my.amazin.horse> | 2018-09-15 22:03:27 +0200 |
|---|---|---|
| committer | Matthew Hodgson <matthew@arasphere.net> | 2018-09-15 21:03:27 +0100 |
| commit | c8642720c9baf16ac434e2cb1b88e0805f2eb00f (patch) | |
| tree | a313dbc4fcd963165f319b5ca7fa058303232dae /README.rst | |
| parent | Fix timeout function (diff) | |
| download | synapse-c8642720c9baf16ac434e2cb1b88e0805f2eb00f.tar.xz | |
mention libjemalloc in readme (#3877)
Diffstat (limited to 'README.rst')
| -rw-r--r-- | README.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/README.rst b/README.rst index 2471619706..cfcf8b5219 100644 --- a/README.rst +++ b/README.rst @@ -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 |