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Erik Johnston 2017-07-04 10:00:52 +01:00
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@ -359,7 +359,7 @@ https://www.archlinux.org/packages/community/any/matrix-synapse/, which should p
the necessary dependencies. If the default web client is to be served (enabled by default in the necessary dependencies. If the default web client is to be served (enabled by default in
the generated config), the generated config),
https://www.archlinux.org/packages/community/any/python2-matrix-angular-sdk/ will also need to https://www.archlinux.org/packages/community/any/python2-matrix-angular-sdk/ will also need to
be installed. be installed.
Alternatively, to install using pip a few changes may be needed as ArchLinux Alternatively, to install using pip a few changes may be needed as ArchLinux
defaults to python 3, but synapse currently assumes python 2.7 by default: defaults to python 3, but synapse currently assumes python 2.7 by default:
@ -899,12 +899,9 @@ cache a lot of recent room data and metadata in RAM in order to speed up
common requests. We'll improve this in future, but for now the easiest common requests. We'll improve this in future, but for now the easiest
way to either reduce the RAM usage (at the risk of slowing things down) way to either reduce the RAM usage (at the risk of slowing things down)
is to set the almost-undocumented ``SYNAPSE_CACHE_FACTOR`` environment is to set the almost-undocumented ``SYNAPSE_CACHE_FACTOR`` environment
variable. Roughly speaking, a SYNAPSE_CACHE_FACTOR of 1.0 will max out variable. The default is 0.5, which can be decreased to reduce RAM usage
at around 3-4GB of resident memory - this is what we currently run the in memory constrained enviroments, or increased if performance starts to
matrix.org on. The default setting is currently 0.1, which is probably degrade.
around a ~700MB footprint. You can dial it down further to 0.02 if
desired, which targets roughly ~512MB. Conversely you can dial it up if
you need performance for lots of users and have a box with a lot of RAM.
.. _`key_management`: https://matrix.org/docs/spec/server_server/unstable.html#retrieving-server-keys .. _`key_management`: https://matrix.org/docs/spec/server_server/unstable.html#retrieving-server-keys