<h4>Pre-Submission Checklist</h4>



<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Commit message has the format required by CONTRIBUTING guide</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Commits are split per component (core, individual modules, libs, utils, ...)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Each component has a single commit (if not, squash them into one commit)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> No commits to README files for modules (changes must be done to docbook files<br>
in <code>doc/</code> subfolder, the README file is autogenerated)</li>
</ul>
<h4>Type Of Change</h4>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Small bug fix (non-breaking change which fixes an issue)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> New feature (non-breaking change which adds new functionality)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Breaking change (fix or feature that would change existing functionality)</li>
</ul>
<h4>Checklist:</h4>

<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> PR should be backported to stable branches</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Tested changes locally</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Related to issue #XXXX (replace XXXX with an open issue number)</li>
</ul>
<h4>Description</h4>
<p>in high volume systems with ephemeral user location data (e.g. very low expiration times on user location records), the user location delete action can cause a high amount of DMQ traffic when UAs unregister. This new parameter allows the user location <code>delete</code> action to be disabled from being shared across DMQ nodes which helps reduce DMQ traffic on systems with high register/unregister rates and low expiration times.</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/kamailio/kamailio/pull/2358'>https://github.com/kamailio/kamailio/pull/2358</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>dmq_usrloc: add new parameter `usrloc_delete` to disable synchronizing delete actions</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/2358/files#diff-0a48b255a39d63d66d3a840673a1a25f">src/modules/dmq_usrloc/dmq_usrloc.c</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/2358/files#diff-5184048289e89438a267660d92d4e259">src/modules/dmq_usrloc/doc/dmq_usrloc.xml</a>
    (16)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/2358/files#diff-2858f5abf3be68cb9eb7450758342349">src/modules/dmq_usrloc/doc/dmq_usrloc_admin.xml</a>
    (20)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/2358/files#diff-34c213456b4f136dfdef00e6eaca9390">src/modules/dmq_usrloc/usrloc_sync.c</a>
    (5)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/kamailio/kamailio/pull/2358.patch'>https://github.com/kamailio/kamailio/pull/2358.patch</a></li>
  <li><a href='https://github.com/kamailio/kamailio/pull/2358.diff'>https://github.com/kamailio/kamailio/pull/2358.diff</a></li>
</ul>

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