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{% extends "base.html" %}
{% load mirror_status %}
{% block title %}Parabola - Mirror Status{% endblock %}
{% block content %}
<div id="mirrorstatus" class="box">
<h2>Mirror Status</h2>
<p>This page reports the status of all known, public, and active Parabola
mirrors. All data on this page reflects the status of the mirrors within
the <em>last {{ cutoff|hours }}</em>. All listed times are UTC. The check script runs
on a regular basis and polls for the <tt>lastsync</tt> file in the root of
our repository layout. This file is regularly updated on the central
repository, so checking the value within allows one to see if the mirror
has synced recently. This page contains several pieces of information about
each mirror.</p>
<ul>
<li><em>Mirror URL:</em> Mirrors are checked on a per-URL basis. If
both FTP and HTTP access are provided, both will be listed here.</li>
<li><em>Last Sync:</em> The timestamp retrieved from the
<tt>lastsync</tt> file on the mirror. If this file could not be
retrieved or contained data we didn't recognize, this column will show
'unknown'.</li>
<li><em>Completion %:</em> The number of mirror checks that have
successfully connected and disconnected from the given URL. If this is
below 100%, the mirror may be unreliable.</li>
<li><em>μ Delay:</em> The calculated average mirroring delay; e.g. the
mean value of <tt>last check − last sync</tt> for each check of
this mirror URL. Due to the timing of mirror checks, any value under
one hour should be viewed as ideal.</li>
<li><em>μ Duration:</em> The average (mean) time it took to connect and
retrieve the <tt>lastsync</tt> file from the given URL. Note that this
connection time is from the location of the Arch server; your geography
may product different results.</li>
<li><em>σ Duration:</em> The standard deviation of the connect and
retrieval time. A high standard deviation can indicate an unstable or
overloaded mirror.</li>
<li><em>Mirror Score:</em> A very rough calculation for ranking
mirrors. It is currently calculated as <tt>(hours delay + average
duration + standard deviation) / completion percentage</tt>. Lower
is better.</li>
</ul>
<p>The final table on this page is an error log, which shows any errors
that occurred while contacting mirrors. This only shows errors that
occurred within the last {{ cutoff|hours }}.</p>
<ul>
<li><a href="#outofsync">Out of Sync Mirrors</a></li>
<li><a href="#successful">Successfully Syncing Mirrors</a></li>
<li><a href="#errorlog">Mirror Syncing Error Log</a></li>
</ul>
<p>The last mirror check ran at {{ last_check|date:'Y-m-d H:i' }} UTC.
Checks have ran {{ num_checks }} times in the last {{ cutoff|hours }} at
an average interval of {{ check_frequency|duration }} (hh:mm).</p>
<p>This data is also available in <a href="json/">JSON format</a>. The
units of all time/duration values are in seconds; date/time values are
UTC.</p>
<a name="outofsync" id="outofsync"></a>
<h3>Out of Sync Mirrors</h3>
{% with bad_urls as urls %}
{% with 'outofsync_mirrors' as table_id %}
{% include "mirrors/status_table.html" %}
{% endwith %}
{% endwith %}
<a name="successful" id="successful"></a>
<h3>Successfully Syncing Mirrors</h3>
{% with good_urls as urls %}
{% with 'successful_mirrors' as table_id %}
{% include "mirrors/status_table.html" %}
{% endwith %}
{% endwith %}
<a name="errorlog" id="errorlog"></a>
<h3>Mirror Syncing Error Log</h3>
<table id="errorlog_mirrors" class="results">
<thead>
<tr>
<th>Mirror URL</th>
<th>Protocol</th>
<th>Country</th>
<th>Error Message</th>
<th>Last Occurred</th>
<th>Occurrences (last {{ cutoff|hours }})</th>
</tr>
</thead>
<tbody>
{% for log in error_logs %}
<tr class="{% cycle 'odd' 'even' %}">
<td>{{ log.url__url }}</td>
<td>{{ log.url__protocol__protocol }}</td>
<td>{{ log.country }}</td>
<td>{{ log.error }}</td>
<td>{{ log.last_occurred|date:'Y-m-d H:i' }}</td>
<td>{{ log.error_count }}</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
{% load cdn %}{% jquery %}
<script type="text/javascript" src="/media/jquery.tablesorter.js"></script>
<script type="text/javascript" src="/media/archweb.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var headers = { 5: { sorter: 'duration' }, 6: { sorter: 'mostlydigit' }, 7: { sorter: 'mostlydigit' }, 8: { sorter: 'mostlydigit' } };
$("#outofsync_mirrors:has(tbody tr)").tablesorter(
{widgets: ['zebra'], sortList: [[3,1]], headers: headers });
$("#successful_mirrors:has(tbody tr)").tablesorter(
{widgets: ['zebra'], sortList: [[8,0]], headers: headers });
$("#errorlog_mirrors:has(tbody tr)").tablesorter(
{widgets: ['zebra'], sortList: [[4,1], [5,1]]});
});
</script>
{% endblock %}
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