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richvdh 2021-07-08 15:57:34 +00:00
parent 25b653c5ac
commit 62ca310ed9
6 changed files with 12 additions and 103 deletions
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53
develop/print.html
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@ -5490,11 +5490,6 @@ stats:
#
#enabled: false
# The size of each timeslice in the room_stats_historical and
# user_stats_historical tables, as a time period. Defaults to "1d".
#
#bucket_size: 1h
# Server Notices room configuration
#
@ -12631,9 +12626,9 @@ directory structure <code>&quot;remote_content/server_name/aa/bb/ccccccccddddddd
is appropriate. Thumbnails for remote content are stored under
<code>&quot;remote_thumbnails/server_name/...&quot;</code></p>
<div id="chapter_begin" style="break-before: page; page-break-before: always;"></div><h1 id="room-and-user-statistics"><a class="header" href="#room-and-user-statistics">Room and User Statistics</a></h1>
<p>Synapse maintains room and user statistics (as well as a cache of room state),
in various tables. These can be used for administrative purposes but are also
used when generating the public room directory.</p>
<p>Synapse maintains room and user statistics in various tables. These can be used
for administrative purposes but are also used when generating the public room
directory.</p>
<h1 id="synapse-developer-documentation"><a class="header" href="#synapse-developer-documentation">Synapse Developer Documentation</a></h1>
<h2 id="high-level-concepts"><a class="header" href="#high-level-concepts">High-Level Concepts</a></h2>
<h3 id="definitions-1"><a class="header" href="#definitions-1">Definitions</a></h3>
@ -12641,48 +12636,10 @@ used when generating the public room directory.</p>
<li><strong>subject</strong>: Something we are tracking stats about – currently a room or user.</li>
<li><strong>current row</strong>: An entry for a subject in the appropriate current statistics
table. Each subject can have only one.</li>
<li><strong>historical row</strong>: An entry for a subject in the appropriate historical
statistics table. Each subject can have any number of these.</li>
</ul>
<h3 id="overview-4"><a class="header" href="#overview-4">Overview</a></h3>
<p>Stats are maintained as time series. There are two kinds of column:</p>
<ul>
<li>absolute columns – where the value is correct for the time given by <code>end_ts</code>
in the stats row. (Imagine a line graph for these values)
<ul>
<li>They can also be thought of as 'gauges' in Prometheus, if you are familiar.</li>
</ul>
</li>
<li>per-slice columns – where the value corresponds to how many of the occurrences
occurred within the time slice given by <code>(end_ts − bucket_size)…end_ts</code>
or <code>start_ts…end_ts</code>. (Imagine a histogram for these values)</li>
</ul>
<p>Stats are maintained in two tables (for each type): current and historical.</p>
<p>Current stats correspond to the present values. Each subject can only have one
entry.</p>
<p>Historical stats correspond to values in the past. Subjects may have multiple
entries.</p>
<h2 id="concepts-around-the-management-of-stats"><a class="header" href="#concepts-around-the-management-of-stats">Concepts around the management of stats</a></h2>
<h3 id="current-rows"><a class="header" href="#current-rows">Current rows</a></h3>
<p>Current rows contain the most up-to-date statistics for a room.
They only contain absolute columns</p>
<h3 id="historical-rows"><a class="header" href="#historical-rows">Historical rows</a></h3>
<p>Historical rows can always be considered to be valid for the time slice and
end time specified.</p>
<ul>
<li>historical rows will not exist for every time slice – they will be omitted
if there were no changes. In this case, the following assumptions can be
made to interpolate/recreate missing rows:
<ul>
<li>absolute fields have the same values as in the preceding row</li>
<li>per-slice fields are zero (<code>0</code>)</li>
</ul>
</li>
<li>historical rows will not be retained forever – rows older than a configurable
time will be purged.</li>
</ul>
<h4 id="purge"><a class="header" href="#purge">Purge</a></h4>
<p>The purging of historical rows is not yet implemented.</p>
<p>Stats correspond to the present values. Current rows contain the most up-to-date
statistics for a room. Each subject can only have one entry.</p>
<div id="chapter_begin" style="break-before: page; page-break-before: always;"></div><h1 id="deprecation-policy-for-platform-dependencies"><a class="header" href="#deprecation-policy-for-platform-dependencies">Deprecation Policy for Platform Dependencies</a></h1>
<p>Synapse has a number of platform dependencies, including Python and PostgreSQL.
This document outlines the policy towards which versions we support, and when we

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develop/room_and_user_statistics.html
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@ -183,9 +183,9 @@
</div>
<h1 id="room-and-user-statistics"><a class="header" href="#room-and-user-statistics">Room and User Statistics</a></h1>
<p>Synapse maintains room and user statistics (as well as a cache of room state),
in various tables. These can be used for administrative purposes but are also
used when generating the public room directory.</p>
<p>Synapse maintains room and user statistics in various tables. These can be used
for administrative purposes but are also used when generating the public room
directory.</p>
<h1 id="synapse-developer-documentation"><a class="header" href="#synapse-developer-documentation">Synapse Developer Documentation</a></h1>
<h2 id="high-level-concepts"><a class="header" href="#high-level-concepts">High-Level Concepts</a></h2>
<h3 id="definitions"><a class="header" href="#definitions">Definitions</a></h3>
@ -193,48 +193,10 @@ used when generating the public room directory.</p>
<li><strong>subject</strong>: Something we are tracking stats about – currently a room or user.</li>
<li><strong>current row</strong>: An entry for a subject in the appropriate current statistics
table. Each subject can have only one.</li>
<li><strong>historical row</strong>: An entry for a subject in the appropriate historical
statistics table. Each subject can have any number of these.</li>
</ul>
<h3 id="overview"><a class="header" href="#overview">Overview</a></h3>
<p>Stats are maintained as time series. There are two kinds of column:</p>
<ul>
<li>absolute columns – where the value is correct for the time given by <code>end_ts</code>
in the stats row. (Imagine a line graph for these values)
<ul>
<li>They can also be thought of as 'gauges' in Prometheus, if you are familiar.</li>
</ul>
</li>
<li>per-slice columns – where the value corresponds to how many of the occurrences
occurred within the time slice given by <code>(end_ts − bucket_size)…end_ts</code>
or <code>start_ts…end_ts</code>. (Imagine a histogram for these values)</li>
</ul>
<p>Stats are maintained in two tables (for each type): current and historical.</p>
<p>Current stats correspond to the present values. Each subject can only have one
entry.</p>
<p>Historical stats correspond to values in the past. Subjects may have multiple
entries.</p>
<h2 id="concepts-around-the-management-of-stats"><a class="header" href="#concepts-around-the-management-of-stats">Concepts around the management of stats</a></h2>
<h3 id="current-rows"><a class="header" href="#current-rows">Current rows</a></h3>
<p>Current rows contain the most up-to-date statistics for a room.
They only contain absolute columns</p>
<h3 id="historical-rows"><a class="header" href="#historical-rows">Historical rows</a></h3>
<p>Historical rows can always be considered to be valid for the time slice and
end time specified.</p>
<ul>
<li>historical rows will not exist for every time slice – they will be omitted
if there were no changes. In this case, the following assumptions can be
made to interpolate/recreate missing rows:
<ul>
<li>absolute fields have the same values as in the preceding row</li>
<li>per-slice fields are zero (<code>0</code>)</li>
</ul>
</li>
<li>historical rows will not be retained forever – rows older than a configurable
time will be purged.</li>
</ul>
<h4 id="purge"><a class="header" href="#purge">Purge</a></h4>
<p>The purging of historical rows is not yet implemented.</p>
<p>Stats correspond to the present values. Current rows contain the most up-to-date
statistics for a room. Each subject can only have one entry.</p>
</main>

5
develop/sample_config.yaml
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@ -2652,11 +2652,6 @@ stats:
#
#enabled: false
# The size of each timeslice in the room_stats_historical and
# user_stats_historical tables, as a time period. Defaults to "1d".
#
#bucket_size: 1h
# Server Notices room configuration
#

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develop/usage/configuration/homeserver_sample_config.html
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@ -2844,11 +2844,6 @@ stats:
#
#enabled: false
# The size of each timeslice in the room_stats_historical and
# user_stats_historical tables, as a time period. Defaults to &quot;1d&quot;.
#
#bucket_size: 1h
# Server Notices room configuration
#