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https://github.com/element-hq/synapse
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@ -157,6 +157,10 @@ version in future releases.</p>
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<p>Details on the upstream support life cycles for Python and PostgreSQL are
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documented at <a href="https://endoflife.date/python">https://endoflife.date/python</a> and
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<a href="https://endoflife.date/postgresql">https://endoflife.date/postgresql</a>.</p>
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<p>A Rust compiler is required to build Synapse from source. For any given release
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the minimum required version may be bumped up to a recent Rust version, and so
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people building from source should ensure they can fetch recent versions of Rust
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(e.g. by using <a href="https://rustup.rs/">rustup</a>).</p>
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<h2 id="context"><a class="header" href="#context">Context</a></h2>
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<p>It is important for system admins to have a clear understanding of the platform
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requirements of Synapse and its deprecation policies so that they can
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@ -167,6 +171,12 @@ long process.</p>
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<p>By following the upstream support life cycles Synapse can ensure that its
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dependencies continue to get security patches, while not requiring system admins
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to constantly update their platform dependencies to the latest versions.</p>
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<p>For Rust, the situation is a bit different given that a) the Rust foundation
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does not generally support older Rust versions, and b) the library ecosystem
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generally bump their minimum support Rust versions frequently. In general, the
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Synapse team will try to avoid updating the dependency on Rust to the absolute
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latest version, but introducing a formal policy is hard given the constraints of
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the ecosystem.</p>
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</main>
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@ -166,6 +166,8 @@ on Windows is not officially supported.</p>
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<p>Synapse can connect to PostgreSQL via the <a href="https://pypi.org/project/psycopg2/">psycopg2</a> Python library. Building this library from source requires access to PostgreSQL's C header files. On Debian or Ubuntu Linux, these can be installed with <code>sudo apt install libpq-dev</code>.</p>
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<p>The source code of Synapse is hosted on GitHub. You will also need <a href="https://github.com/git-guides/install-git">a recent version of git</a>.</p>
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<p>For some tests, you will need <a href="https://docs.docker.com/get-docker/">a recent version of Docker</a>.</p>
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<p>A recent version of the Rust compiler is needed to build the native modules. The
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easiest way of installing the latest version is to use <a href="https://rustup.rs/">rustup</a>.</p>
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<h1 id="3-get-the-source"><a class="header" href="#3-get-the-source">3. Get the source.</a></h1>
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<p>The preferred and easiest way to contribute changes is to fork the relevant
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project on GitHub, and then <a href="https://help.github.com/articles/using-pull-requests/">create a pull request</a> to ask us to pull your
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@ -222,6 +224,10 @@ to check that your contributions render correctly. The docs are written in
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<p>Some documentation also exists in <a href="https://github.com/matrix-org/synapse/wiki">Synapse's GitHub
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Wiki</a>, although this is primarily
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contributed to by community authors.</p>
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<p>When changes are made to any Rust code then you must call either <code>poetry install</code>
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or <code>maturin develop</code> (if installed) to rebuild the Rust code. Using <a href="https://github.com/PyO3/maturin"><code>maturin</code></a>
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is quicker than <code>poetry install</code>, so is recommended when making frequent
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changes to the Rust code.</p>
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<h1 id="8-test-test-test"><a class="header" href="#8-test-test-test">8. Test, test, test!</a></h1>
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<p><a name="test-test-test"></a></p>
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<p>While you're developing and before submitting a patch, you'll
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@ -360,6 +360,9 @@ and mounting it to <code>/var/synapse</code> should be taken into consideration.
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<li>Python 3.7 or later, up to Python 3.10.</li>
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<li>At least 1GB of free RAM if you want to join large public rooms like #matrix:matrix.org</li>
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</ul>
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<p>If building on an uncommon architecture for which pre-built wheels are
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unavailable, you will need to have a recent Rust compiler installed. The easiest
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way of installing the latest version is to use <a href="https://rustup.rs/">rustup</a>.</p>
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<p>To install the Synapse homeserver run:</p>
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<pre><code class="language-sh">mkdir -p ~/synapse
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virtualenv -p python3 ~/synapse/env
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@ -14193,6 +14196,8 @@ on Windows is not officially supported.</p>
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<p>Synapse can connect to PostgreSQL via the <a href="https://pypi.org/project/psycopg2/">psycopg2</a> Python library. Building this library from source requires access to PostgreSQL's C header files. On Debian or Ubuntu Linux, these can be installed with <code>sudo apt install libpq-dev</code>.</p>
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<p>The source code of Synapse is hosted on GitHub. You will also need <a href="https://github.com/git-guides/install-git">a recent version of git</a>.</p>
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<p>For some tests, you will need <a href="https://docs.docker.com/get-docker/">a recent version of Docker</a>.</p>
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<p>A recent version of the Rust compiler is needed to build the native modules. The
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easiest way of installing the latest version is to use <a href="https://rustup.rs/">rustup</a>.</p>
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<h1 id="3-get-the-source"><a class="header" href="#3-get-the-source">3. Get the source.</a></h1>
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<p>The preferred and easiest way to contribute changes is to fork the relevant
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project on GitHub, and then <a href="https://help.github.com/articles/using-pull-requests/">create a pull request</a> to ask us to pull your
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@ -14249,6 +14254,10 @@ to check that your contributions render correctly. The docs are written in
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<p>Some documentation also exists in <a href="https://github.com/matrix-org/synapse/wiki">Synapse's GitHub
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Wiki</a>, although this is primarily
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contributed to by community authors.</p>
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<p>When changes are made to any Rust code then you must call either <code>poetry install</code>
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or <code>maturin develop</code> (if installed) to rebuild the Rust code. Using <a href="https://github.com/PyO3/maturin"><code>maturin</code></a>
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is quicker than <code>poetry install</code>, so is recommended when making frequent
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changes to the Rust code.</p>
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<h1 id="8-test-test-test"><a class="header" href="#8-test-test-test">8. Test, test, test!</a></h1>
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<p><a name="test-test-test"></a></p>
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<p>While you're developing and before submitting a patch, you'll
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@ -16669,6 +16678,10 @@ version in future releases.</p>
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<p>Details on the upstream support life cycles for Python and PostgreSQL are
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documented at <a href="https://endoflife.date/python">https://endoflife.date/python</a> and
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<a href="https://endoflife.date/postgresql">https://endoflife.date/postgresql</a>.</p>
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<p>A Rust compiler is required to build Synapse from source. For any given release
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the minimum required version may be bumped up to a recent Rust version, and so
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people building from source should ensure they can fetch recent versions of Rust
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(e.g. by using <a href="https://rustup.rs/">rustup</a>).</p>
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<h2 id="context"><a class="header" href="#context">Context</a></h2>
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<p>It is important for system admins to have a clear understanding of the platform
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requirements of Synapse and its deprecation policies so that they can
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@ -16679,6 +16692,12 @@ long process.</p>
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<p>By following the upstream support life cycles Synapse can ensure that its
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dependencies continue to get security patches, while not requiring system admins
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to constantly update their platform dependencies to the latest versions.</p>
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<p>For Rust, the situation is a bit different given that a) the Rust foundation
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does not generally support older Rust versions, and b) the library ecosystem
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generally bump their minimum support Rust versions frequently. In general, the
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Synapse team will try to avoid updating the dependency on Rust to the absolute
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latest version, but introducing a formal policy is hard given the constraints of
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the ecosystem.</p>
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<div style="break-before: page; page-break-before: always;"></div><h2 id="summary-of-performance-impact-of-running-on-resource-constrained-devices-such-as-sbcs"><a class="header" href="#summary-of-performance-impact-of-running-on-resource-constrained-devices-such-as-sbcs">Summary of performance impact of running on resource constrained devices such as SBCs</a></h2>
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<p>I've been running my homeserver on a cubietruck at home now for some time and am often replying to statements like "you need loads of ram to join large rooms" with "it works fine for me". I thought it might be useful to curate a summary of the issues you're likely to run into to help as a scaling-down guide, maybe highlight these for development work or end up as documentation. It seems that once you get up to about 4x1.5GHz arm64 4GiB these issues are no longer a problem.</p>
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<ul>
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@ -277,6 +277,9 @@ and mounting it to <code>/var/synapse</code> should be taken into consideration.
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<li>Python 3.7 or later, up to Python 3.10.</li>
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<li>At least 1GB of free RAM if you want to join large public rooms like #matrix:matrix.org</li>
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</ul>
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<p>If building on an uncommon architecture for which pre-built wheels are
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unavailable, you will need to have a recent Rust compiler installed. The easiest
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way of installing the latest version is to use <a href="https://rustup.rs/">rustup</a>.</p>
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<p>To install the Synapse homeserver run:</p>
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<pre><code class="language-sh">mkdir -p ~/synapse
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virtualenv -p python3 ~/synapse/env
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