This commit is contained in:
reivilibre 2023-04-27 10:29:42 +00:00
parent e6c5b3479a
commit e422e054d4
4 changed files with 124 additions and 6 deletions

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@ -10850,14 +10850,73 @@ may wish to run multiple groups of workers handling different endpoints so that
load balancing can be done in different ways.</p>
<p>For <code>/sync</code> and <code>/initialSync</code> requests it will be more efficient if all
requests from a particular user are routed to a single instance. This can
be done e.g. in nginx via IP <code>hash $http_x_forwarded_for;</code> or via
<code>hash $http_authorization consistent;</code> which contains the users access token.</p>
be done in reverse proxy by extracting username part from the users access token.</p>
<p>Admins may additionally wish to separate out <code>/sync</code>
requests that have a <code>since</code> query parameter from those that don't (and
<code>/initialSync</code>), as requests that don't are known as &quot;initial sync&quot; that happens
when a user logs in on a new device and can be <em>very</em> resource intensive, so
isolating these requests will stop them from interfering with other users ongoing
syncs.</p>
<p>Example <code>nginx</code> configuration snippet that handles the cases above. This is just an
example and probably requires some changes according to your particular setup:</p>
<pre><code class="language-nginx"># Choose sync worker based on the existence of &quot;since&quot; query parameter
map $arg_since $sync {
default synapse_sync;
'' synapse_initial_sync;
}
# Extract username from access token passed as URL parameter
map $arg_access_token $accesstoken_from_urlparam {
# Defaults to just passing back the whole accesstoken
default $arg_access_token;
# Try to extract username part from accesstoken URL parameter
&quot;~syt_(?&lt;username&gt;.*?)_.*&quot; $username;
}
# Extract username from access token passed as authorization header
map $http_authorization $mxid_localpart {
# Defaults to just passing back the whole accesstoken
default $http_authorization;
# Try to extract username part from accesstoken header
&quot;~Bearer syt_(?&lt;username&gt;.*?)_.*&quot; $username;
# if no authorization-header exist, try mapper for URL parameter &quot;access_token&quot;
&quot;&quot; $accesstoken_from_urlparam;
}
upstream synapse_initial_sync {
# Use the username mapper result for hash key
hash $mxid_localpart consistent;
server 127.0.0.1:8016;
server 127.0.0.1:8036;
}
upstream synapse_sync {
# Use the username mapper result for hash key
hash $mxid_localpart consistent;
server 127.0.0.1:8013;
server 127.0.0.1:8037;
server 127.0.0.1:8038;
server 127.0.0.1:8039;
}
# Sync initial/normal
location ~ ^/_matrix/client/(r0|v3)/sync$ {
proxy_pass http://$sync;
}
# Normal sync
location ~ ^/_matrix/client/(api/v1|r0|v3)/events$ {
proxy_pass http://synapse_sync;
}
# Initial_sync
location ~ ^/_matrix/client/(api/v1|r0|v3)/initialSync$ {
proxy_pass http://synapse_initial_sync;
}
location ~ ^/_matrix/client/(api/v1|r0|v3)/rooms/[^/]+/initialSync$ {
proxy_pass http://synapse_initial_sync;
}
</code></pre>
<p>Federation and client requests can be balanced via simple round robin.</p>
<p>The inbound federation transaction request <code>^/_matrix/federation/v1/send/</code>
should be balanced by source IP so that transactions from the same remote server

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@ -435,14 +435,73 @@ may wish to run multiple groups of workers handling different endpoints so that
load balancing can be done in different ways.</p>
<p>For <code>/sync</code> and <code>/initialSync</code> requests it will be more efficient if all
requests from a particular user are routed to a single instance. This can
be done e.g. in nginx via IP <code>hash $http_x_forwarded_for;</code> or via
<code>hash $http_authorization consistent;</code> which contains the users access token.</p>
be done in reverse proxy by extracting username part from the users access token.</p>
<p>Admins may additionally wish to separate out <code>/sync</code>
requests that have a <code>since</code> query parameter from those that don't (and
<code>/initialSync</code>), as requests that don't are known as &quot;initial sync&quot; that happens
when a user logs in on a new device and can be <em>very</em> resource intensive, so
isolating these requests will stop them from interfering with other users ongoing
syncs.</p>
<p>Example <code>nginx</code> configuration snippet that handles the cases above. This is just an
example and probably requires some changes according to your particular setup:</p>
<pre><code class="language-nginx"># Choose sync worker based on the existence of &quot;since&quot; query parameter
map $arg_since $sync {
default synapse_sync;
'' synapse_initial_sync;
}
# Extract username from access token passed as URL parameter
map $arg_access_token $accesstoken_from_urlparam {
# Defaults to just passing back the whole accesstoken
default $arg_access_token;
# Try to extract username part from accesstoken URL parameter
&quot;~syt_(?&lt;username&gt;.*?)_.*&quot; $username;
}
# Extract username from access token passed as authorization header
map $http_authorization $mxid_localpart {
# Defaults to just passing back the whole accesstoken
default $http_authorization;
# Try to extract username part from accesstoken header
&quot;~Bearer syt_(?&lt;username&gt;.*?)_.*&quot; $username;
# if no authorization-header exist, try mapper for URL parameter &quot;access_token&quot;
&quot;&quot; $accesstoken_from_urlparam;
}
upstream synapse_initial_sync {
# Use the username mapper result for hash key
hash $mxid_localpart consistent;
server 127.0.0.1:8016;
server 127.0.0.1:8036;
}
upstream synapse_sync {
# Use the username mapper result for hash key
hash $mxid_localpart consistent;
server 127.0.0.1:8013;
server 127.0.0.1:8037;
server 127.0.0.1:8038;
server 127.0.0.1:8039;
}
# Sync initial/normal
location ~ ^/_matrix/client/(r0|v3)/sync$ {
proxy_pass http://$sync;
}
# Normal sync
location ~ ^/_matrix/client/(api/v1|r0|v3)/events$ {
proxy_pass http://synapse_sync;
}
# Initial_sync
location ~ ^/_matrix/client/(api/v1|r0|v3)/initialSync$ {
proxy_pass http://synapse_initial_sync;
}
location ~ ^/_matrix/client/(api/v1|r0|v3)/rooms/[^/]+/initialSync$ {
proxy_pass http://synapse_initial_sync;
}
</code></pre>
<p>Federation and client requests can be balanced via simple round robin.</p>
<p>The inbound federation transaction request <code>^/_matrix/federation/v1/send/</code>
should be balanced by source IP so that transactions from the same remote server